Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
"Various fixes:
- synchronize kernel and tooling headers
- cgroup support fix
- two tooling fixes"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
tools/headers: Synchronize kernel ABI headers
perf/cgroup: Fix perf cgroup hierarchy support
perf tools: Unwind properly location after REJECT
perf symbols: Fix memory corruption because of zero length symbols
diff --git a/.mailmap b/.mailmap
index c7b10ca..4757d36 100644
--- a/.mailmap
+++ b/.mailmap
@@ -15,6 +15,7 @@
Alan Cox <alan@lxorguk.ukuu.org.uk>
Alan Cox <root@hraefn.swansea.linux.org.uk>
Aleksey Gorelov <aleksey_gorelov@phoenix.com>
+Aleksandar Markovic <aleksandar.markovic@mips.com> <aleksandar.markovic@imgtec.com>
Al Viro <viro@ftp.linux.org.uk>
Al Viro <viro@zenIV.linux.org.uk>
Andreas Herrmann <aherrman@de.ibm.com>
@@ -43,6 +44,7 @@
Damian Hobson-Garcia <dhobsong@igel.co.jp>
David Brownell <david-b@pacbell.net>
David Woodhouse <dwmw2@shinybook.infradead.org>
+Deng-Cheng Zhu <dengcheng.zhu@mips.com> <dengcheng.zhu@imgtec.com>
Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Domen Puncer <domen@coderock.org>
Douglas Gilbert <dougg@torque.net>
@@ -100,6 +102,7 @@
Linas Vepstas <linas@austin.ibm.com>
Linus Lüssing <linus.luessing@c0d3.blue> <linus.luessing@web.de>
Linus Lüssing <linus.luessing@c0d3.blue> <linus.luessing@ascom.ch>
+Marcin Nowakowski <marcin.nowakowski@mips.com> <marcin.nowakowski@imgtec.com>
Mark Brown <broonie@sirena.org.uk>
Martin Kepplinger <martink@posteo.de> <martin.kepplinger@theobroma-systems.com>
Martin Kepplinger <martink@posteo.de> <martin.kepplinger@ginzinger.com>
@@ -114,9 +117,11 @@
Matt Ranostay <mranostay@gmail.com> Matthew Ranostay <mranostay@embeddedalley.com>
Matt Ranostay <mranostay@gmail.com> <matt.ranostay@intel.com>
Matt Ranostay <matt.ranostay@konsulko.com> <matt@ranostay.consulting>
+Matt Redfearn <matt.redfearn@mips.com> <matt.redfearn@imgtec.com>
Mayuresh Janorkar <mayur@ti.com>
Michael Buesch <m@bues.ch>
Michel Dänzer <michel@tungstengraphics.com>
+Miodrag Dinic <miodrag.dinic@mips.com> <miodrag.dinic@imgtec.com>
Mitesh shah <mshah@teja.com>
Mohit Kumar <mohit.kumar@st.com> <mohit.kumar.dhaka@gmail.com>
Morten Welinder <terra@gnome.org>
@@ -127,6 +132,7 @@
Nguyen Anh Quynh <aquynh@gmail.com>
Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Patrick Mochel <mochel@digitalimplant.org>
+Paul Burton <paul.burton@mips.com> <paul.burton@imgtec.com>
Peter A Jonsson <pj@ludd.ltu.se>
Peter Oruba <peter@oruba.de>
Peter Oruba <peter.oruba@amd.com>
diff --git a/Documentation/ABI/testing/sysfs-class-remoteproc b/Documentation/ABI/testing/sysfs-class-remoteproc
index d188afe..c3afe9f 100644
--- a/Documentation/ABI/testing/sysfs-class-remoteproc
+++ b/Documentation/ABI/testing/sysfs-class-remoteproc
@@ -1,6 +1,6 @@
What: /sys/class/remoteproc/.../firmware
Date: October 2016
-Contact: Matt Redfearn <matt.redfearn@imgtec.com>
+Contact: Matt Redfearn <matt.redfearn@mips.com>
Description: Remote processor firmware
Reports the name of the firmware currently loaded to the
@@ -11,7 +11,7 @@
What: /sys/class/remoteproc/.../state
Date: October 2016
-Contact: Matt Redfearn <matt.redfearn@imgtec.com>
+Contact: Matt Redfearn <matt.redfearn@mips.com>
Description: Remote processor state
Reports the state of the remote processor, which will be one of:
diff --git a/Documentation/process/kernel-enforcement-statement.rst b/Documentation/process/kernel-enforcement-statement.rst
index 1e23d42..b317067 100644
--- a/Documentation/process/kernel-enforcement-statement.rst
+++ b/Documentation/process/kernel-enforcement-statement.rst
@@ -50,8 +50,9 @@
Except where noted below, we speak only for ourselves, and not for any company
we might work for today, have in the past, or will in the future.
+ - Laura Abbott
- Bjorn Andersson (Linaro)
- - Andrea Arcangeli (Red Hat)
+ - Andrea Arcangeli
- Neil Armstrong
- Jens Axboe
- Pablo Neira Ayuso
@@ -60,15 +61,17 @@
- Felipe Balbi
- Arnd Bergmann
- Ard Biesheuvel
- - Paolo Bonzini (Red Hat)
+ - Tim Bird
+ - Paolo Bonzini
- Christian Borntraeger
- Mark Brown (Linaro)
- Paul Burton
- Javier Martinez Canillas
- Rob Clark
- Jonathan Corbet
+ - Dennis Dalessandro
- Vivien Didelot (Savoir-faire Linux)
- - Hans de Goede (Red Hat)
+ - Hans de Goede
- Mel Gorman (SUSE)
- Sven Eckelmann
- Alex Elder (Linaro)
@@ -79,6 +82,7 @@
- Juergen Gross
- Shawn Guo
- Ulf Hansson
+ - Stephen Hemminger (Microsoft)
- Tejun Heo
- Rob Herring
- Masami Hiramatsu
@@ -104,18 +108,21 @@
- Viresh Kumar
- Aneesh Kumar K.V
- Julia Lawall
- - Doug Ledford (Red Hat)
+ - Doug Ledford
- Chuck Lever (Oracle)
- Daniel Lezcano
- Shaohua Li
- - Xin Long (Red Hat)
+ - Xin Long
- Tony Luck
+ - Catalin Marinas (Arm Ltd)
- Mike Marshall
- Chris Mason
- Paul E. McKenney
- David S. Miller
- Ingo Molnar
- Kuninori Morimoto
+ - Trond Myklebust
+ - Martin K. Petersen (Oracle)
- Borislav Petkov
- Jiri Pirko
- Josh Poimboeuf
@@ -124,18 +131,20 @@
- Joerg Roedel
- Leon Romanovsky
- Steven Rostedt (VMware)
- - Ivan Safonov
+ - Frank Rowand
- Ivan Safonov
- Anna Schumaker
- Jes Sorensen
- K.Y. Srinivasan
- Heiko Stuebner
- Jiri Kosina (SUSE)
+ - Willy Tarreau
- Dmitry Torokhov
- Linus Torvalds
- Thierry Reding
- Rik van Riel
- Geert Uytterhoeven (Glider bvba)
+ - Eduardo Valentin (Amazon.com)
- Daniel Vetter
- Linus Walleij
- Richard Weinberger
@@ -145,3 +154,4 @@
- Masahiro Yamada
- Wei Yongjun
- Lv Zheng
+ - Marc Zyngier (Arm Ltd)
diff --git a/MAINTAINERS b/MAINTAINERS
index bf1d206..2f4e462 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -873,7 +873,7 @@
F: drivers/staging/android/
ANDROID GOLDFISH RTC DRIVER
-M: Miodrag Dinic <miodrag.dinic@imgtec.com>
+M: Miodrag Dinic <miodrag.dinic@mips.com>
S: Supported
F: Documentation/devicetree/bindings/rtc/google,goldfish-rtc.txt
F: drivers/rtc/rtc-goldfish.c
@@ -6733,7 +6733,7 @@
F: drivers/usb/atm/ueagle-atm.c
IMGTEC ASCII LCD DRIVER
-M: Paul Burton <paul.burton@imgtec.com>
+M: Paul Burton <paul.burton@mips.com>
S: Maintained
F: Documentation/devicetree/bindings/auxdisplay/img-ascii-lcd.txt
F: drivers/auxdisplay/img-ascii-lcd.c
@@ -8993,7 +8993,7 @@
F: arch/mips/
MIPS BOSTON DEVELOPMENT BOARD
-M: Paul Burton <paul.burton@imgtec.com>
+M: Paul Burton <paul.burton@mips.com>
L: linux-mips@linux-mips.org
S: Maintained
F: Documentation/devicetree/bindings/clock/img,boston-clock.txt
@@ -9003,7 +9003,7 @@
F: include/dt-bindings/clock/boston-clock.h
MIPS GENERIC PLATFORM
-M: Paul Burton <paul.burton@imgtec.com>
+M: Paul Burton <paul.burton@mips.com>
L: linux-mips@linux-mips.org
S: Supported
F: arch/mips/generic/
@@ -9019,7 +9019,7 @@
F: drivers/*/*/*loongson1*
MIPS RINT INSTRUCTION EMULATION
-M: Aleksandar Markovic <aleksandar.markovic@imgtec.com>
+M: Aleksandar Markovic <aleksandar.markovic@mips.com>
L: linux-mips@linux-mips.org
S: Supported
F: arch/mips/math-emu/sp_rint.c
@@ -10683,10 +10683,9 @@
F: drivers/pinctrl/spear/
PISTACHIO SOC SUPPORT
-M: James Hartley <james.hartley@imgtec.com>
-M: Ionela Voinescu <ionela.voinescu@imgtec.com>
+M: James Hartley <james.hartley@sondrel.com>
L: linux-mips@linux-mips.org
-S: Maintained
+S: Odd Fixes
F: arch/mips/pistachio/
F: arch/mips/include/asm/mach-pistachio/
F: arch/mips/boot/dts/img/pistachio*
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 817e5cf..36ae445 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -44,10 +44,12 @@
ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
KBUILD_CPPFLAGS += -mbig-endian
+CHECKFLAGS += -D__ARMEB__
AS += -EB
LD += -EB
else
KBUILD_CPPFLAGS += -mlittle-endian
+CHECKFLAGS += -D__ARMEL__
AS += -EL
LD += -EL
endif
diff --git a/arch/arm/boot/compressed/vmlinux.lds.S b/arch/arm/boot/compressed/vmlinux.lds.S
index 7a4c591..7d06aa1 100644
--- a/arch/arm/boot/compressed/vmlinux.lds.S
+++ b/arch/arm/boot/compressed/vmlinux.lds.S
@@ -85,6 +85,15 @@
_edata = .;
+ /*
+ * The image_end section appears after any additional loadable sections
+ * that the linker may decide to insert in the binary image. Having
+ * this symbol allows further debug in the near future.
+ */
+ .image_end (NOLOAD) : {
+ _edata_real = .;
+ }
+
_magic_sig = ZIMAGE_MAGIC(0x016f2818);
_magic_start = ZIMAGE_MAGIC(_start);
_magic_end = ZIMAGE_MAGIC(_edata);
diff --git a/arch/arm/boot/dts/armada-375.dtsi b/arch/arm/boot/dts/armada-375.dtsi
index 7225c7c..2cb1bcd 100644
--- a/arch/arm/boot/dts/armada-375.dtsi
+++ b/arch/arm/boot/dts/armada-375.dtsi
@@ -178,9 +178,9 @@
reg = <0x8000 0x1000>;
cache-unified;
cache-level = <2>;
- arm,double-linefill-incr = <1>;
+ arm,double-linefill-incr = <0>;
arm,double-linefill-wrap = <0>;
- arm,double-linefill = <1>;
+ arm,double-linefill = <0>;
prefetch-data = <1>;
};
diff --git a/arch/arm/boot/dts/armada-38x.dtsi b/arch/arm/boot/dts/armada-38x.dtsi
index 4960722..00ff549 100644
--- a/arch/arm/boot/dts/armada-38x.dtsi
+++ b/arch/arm/boot/dts/armada-38x.dtsi
@@ -143,9 +143,9 @@
reg = <0x8000 0x1000>;
cache-unified;
cache-level = <2>;
- arm,double-linefill-incr = <1>;
+ arm,double-linefill-incr = <0>;
arm,double-linefill-wrap = <0>;
- arm,double-linefill = <1>;
+ arm,double-linefill = <0>;
prefetch-data = <1>;
};
diff --git a/arch/arm/boot/dts/armada-39x.dtsi b/arch/arm/boot/dts/armada-39x.dtsi
index ea65707..5218bd2 100644
--- a/arch/arm/boot/dts/armada-39x.dtsi
+++ b/arch/arm/boot/dts/armada-39x.dtsi
@@ -111,9 +111,9 @@
reg = <0x8000 0x1000>;
cache-unified;
cache-level = <2>;
- arm,double-linefill-incr = <1>;
+ arm,double-linefill-incr = <0>;
arm,double-linefill-wrap = <0>;
- arm,double-linefill = <1>;
+ arm,double-linefill = <0>;
prefetch-data = <1>;
};
diff --git a/arch/arm/boot/dts/uniphier-ld4.dtsi b/arch/arm/boot/dts/uniphier-ld4.dtsi
index 79183db..93586fa 100644
--- a/arch/arm/boot/dts/uniphier-ld4.dtsi
+++ b/arch/arm/boot/dts/uniphier-ld4.dtsi
@@ -209,7 +209,8 @@
interrupts = <0 80 4>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb0>;
- clocks = <&mio_clk 7>, <&mio_clk 8>, <&mio_clk 12>;
+ clocks = <&sys_clk 8>, <&mio_clk 7>, <&mio_clk 8>,
+ <&mio_clk 12>;
resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 8>,
<&mio_rst 12>;
};
@@ -221,7 +222,8 @@
interrupts = <0 81 4>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb1>;
- clocks = <&mio_clk 7>, <&mio_clk 9>, <&mio_clk 13>;
+ clocks = <&sys_clk 8>, <&mio_clk 7>, <&mio_clk 9>,
+ <&mio_clk 13>;
resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 9>,
<&mio_rst 13>;
};
@@ -233,7 +235,8 @@
interrupts = <0 82 4>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb2>;
- clocks = <&mio_clk 7>, <&mio_clk 10>, <&mio_clk 14>;
+ clocks = <&sys_clk 8>, <&mio_clk 7>, <&mio_clk 10>,
+ <&mio_clk 14>;
resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 10>,
<&mio_rst 14>;
};
diff --git a/arch/arm/boot/dts/uniphier-pro4.dtsi b/arch/arm/boot/dts/uniphier-pro4.dtsi
index b3dbbd9b..2a9bd7f 100644
--- a/arch/arm/boot/dts/uniphier-pro4.dtsi
+++ b/arch/arm/boot/dts/uniphier-pro4.dtsi
@@ -241,7 +241,8 @@
interrupts = <0 80 4>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb2>;
- clocks = <&mio_clk 7>, <&mio_clk 8>, <&mio_clk 12>;
+ clocks = <&sys_clk 8>, <&mio_clk 7>, <&mio_clk 8>,
+ <&mio_clk 12>;
resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 8>,
<&mio_rst 12>;
};
@@ -253,7 +254,8 @@
interrupts = <0 81 4>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb3>;
- clocks = <&mio_clk 7>, <&mio_clk 9>, <&mio_clk 13>;
+ clocks = <&sys_clk 8>, <&mio_clk 7>, <&mio_clk 9>,
+ <&mio_clk 13>;
resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 9>,
<&mio_rst 13>;
};
diff --git a/arch/arm/boot/dts/uniphier-sld8.dtsi b/arch/arm/boot/dts/uniphier-sld8.dtsi
index b083903..ebd0c3f 100644
--- a/arch/arm/boot/dts/uniphier-sld8.dtsi
+++ b/arch/arm/boot/dts/uniphier-sld8.dtsi
@@ -209,7 +209,8 @@
interrupts = <0 80 4>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb0>;
- clocks = <&mio_clk 7>, <&mio_clk 8>, <&mio_clk 12>;
+ clocks = <&sys_clk 8>, <&mio_clk 7>, <&mio_clk 8>,
+ <&mio_clk 12>;
resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 8>,
<&mio_rst 12>;
};
@@ -221,7 +222,8 @@
interrupts = <0 81 4>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb1>;
- clocks = <&mio_clk 7>, <&mio_clk 9>, <&mio_clk 13>;
+ clocks = <&sys_clk 8>, <&mio_clk 7>, <&mio_clk 9>,
+ <&mio_clk 13>;
resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 9>,
<&mio_rst 13>;
};
@@ -233,7 +235,8 @@
interrupts = <0 82 4>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb2>;
- clocks = <&mio_clk 7>, <&mio_clk 10>, <&mio_clk 14>;
+ clocks = <&sys_clk 8>, <&mio_clk 7>, <&mio_clk 10>,
+ <&mio_clk 14>;
resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 10>,
<&mio_rst 14>;
};
diff --git a/arch/arm/include/asm/Kbuild b/arch/arm/include/asm/Kbuild
index 721ab5e..0f2c8a2 100644
--- a/arch/arm/include/asm/Kbuild
+++ b/arch/arm/include/asm/Kbuild
@@ -20,7 +20,6 @@
generic-y += sizes.h
generic-y += timex.h
generic-y += trace_clock.h
-generic-y += unaligned.h
generated-y += mach-types.h
generated-y += unistd-nr.h
diff --git a/arch/arm/include/asm/unaligned.h b/arch/arm/include/asm/unaligned.h
new file mode 100644
index 0000000..ab905ff
--- /dev/null
+++ b/arch/arm/include/asm/unaligned.h
@@ -0,0 +1,27 @@
+#ifndef __ASM_ARM_UNALIGNED_H
+#define __ASM_ARM_UNALIGNED_H
+
+/*
+ * We generally want to set CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS on ARMv6+,
+ * but we don't want to use linux/unaligned/access_ok.h since that can lead
+ * to traps on unaligned stm/ldm or strd/ldrd.
+ */
+#include <asm/byteorder.h>
+
+#if defined(__LITTLE_ENDIAN)
+# include <linux/unaligned/le_struct.h>
+# include <linux/unaligned/be_byteshift.h>
+# include <linux/unaligned/generic.h>
+# define get_unaligned __get_unaligned_le
+# define put_unaligned __put_unaligned_le
+#elif defined(__BIG_ENDIAN)
+# include <linux/unaligned/be_struct.h>
+# include <linux/unaligned/le_byteshift.h>
+# include <linux/unaligned/generic.h>
+# define get_unaligned __get_unaligned_be
+# define put_unaligned __put_unaligned_be
+#else
+# error need to define endianess
+#endif
+
+#endif /* __ASM_ARM_UNALIGNED_H */
diff --git a/arch/arm/kvm/emulate.c b/arch/arm/kvm/emulate.c
index 0064b86..30a13647 100644
--- a/arch/arm/kvm/emulate.c
+++ b/arch/arm/kvm/emulate.c
@@ -227,7 +227,7 @@
u32 return_offset = (is_thumb) ? 2 : 4;
kvm_update_psr(vcpu, UND_MODE);
- *vcpu_reg(vcpu, 14) = *vcpu_pc(vcpu) - return_offset;
+ *vcpu_reg(vcpu, 14) = *vcpu_pc(vcpu) + return_offset;
/* Branch to exception vector */
*vcpu_pc(vcpu) = exc_vector_base(vcpu) + vect_offset;
@@ -239,10 +239,8 @@
*/
static void inject_abt(struct kvm_vcpu *vcpu, bool is_pabt, unsigned long addr)
{
- unsigned long cpsr = *vcpu_cpsr(vcpu);
- bool is_thumb = (cpsr & PSR_T_BIT);
u32 vect_offset;
- u32 return_offset = (is_thumb) ? 4 : 0;
+ u32 return_offset = (is_pabt) ? 4 : 8;
bool is_lpae;
kvm_update_psr(vcpu, ABT_MODE);
diff --git a/arch/arm/kvm/hyp/Makefile b/arch/arm/kvm/hyp/Makefile
index 5fca24d..5638ce0 100644
--- a/arch/arm/kvm/hyp/Makefile
+++ b/arch/arm/kvm/hyp/Makefile
@@ -3,7 +3,7 @@
# Makefile for Kernel-based Virtual Machine module, HYP part
#
-ccflags-y += -fno-stack-protector
+ccflags-y += -fno-stack-protector -DDISABLE_BRANCH_PROFILING
KVM=../../../../virt/kvm
diff --git a/arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi b/arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi
index ee4aff5..09c429c 100644
--- a/arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi
+++ b/arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi
@@ -299,7 +299,8 @@
interrupts = <0 243 4>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb0>;
- clocks = <&mio_clk 7>, <&mio_clk 8>, <&mio_clk 12>;
+ clocks = <&sys_clk 8>, <&mio_clk 7>, <&mio_clk 8>,
+ <&mio_clk 12>;
resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 8>,
<&mio_rst 12>;
};
@@ -311,7 +312,8 @@
interrupts = <0 244 4>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb1>;
- clocks = <&mio_clk 7>, <&mio_clk 9>, <&mio_clk 13>;
+ clocks = <&sys_clk 8>, <&mio_clk 7>, <&mio_clk 9>,
+ <&mio_clk 13>;
resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 9>,
<&mio_rst 13>;
};
@@ -323,7 +325,8 @@
interrupts = <0 245 4>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb2>;
- clocks = <&mio_clk 7>, <&mio_clk 10>, <&mio_clk 14>;
+ clocks = <&sys_clk 8>, <&mio_clk 7>, <&mio_clk 10>,
+ <&mio_clk 14>;
resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 10>,
<&mio_rst 14>;
};
diff --git a/arch/arm64/kvm/hyp/Makefile b/arch/arm64/kvm/hyp/Makefile
index 7c54d8f..f04400d 100644
--- a/arch/arm64/kvm/hyp/Makefile
+++ b/arch/arm64/kvm/hyp/Makefile
@@ -3,7 +3,7 @@
# Makefile for Kernel-based Virtual Machine module, HYP part
#
-ccflags-y += -fno-stack-protector
+ccflags-y += -fno-stack-protector -DDISABLE_BRANCH_PROFILING
KVM=../../../../virt/kvm
diff --git a/arch/arm64/kvm/inject_fault.c b/arch/arm64/kvm/inject_fault.c
index da6a8cf..3556715a 100644
--- a/arch/arm64/kvm/inject_fault.c
+++ b/arch/arm64/kvm/inject_fault.c
@@ -33,12 +33,26 @@
#define LOWER_EL_AArch64_VECTOR 0x400
#define LOWER_EL_AArch32_VECTOR 0x600
+/*
+ * Table taken from ARMv8 ARM DDI0487B-B, table G1-10.
+ */
+static const u8 return_offsets[8][2] = {
+ [0] = { 0, 0 }, /* Reset, unused */
+ [1] = { 4, 2 }, /* Undefined */
+ [2] = { 0, 0 }, /* SVC, unused */
+ [3] = { 4, 4 }, /* Prefetch abort */
+ [4] = { 8, 8 }, /* Data abort */
+ [5] = { 0, 0 }, /* HVC, unused */
+ [6] = { 4, 4 }, /* IRQ, unused */
+ [7] = { 4, 4 }, /* FIQ, unused */
+};
+
static void prepare_fault32(struct kvm_vcpu *vcpu, u32 mode, u32 vect_offset)
{
unsigned long cpsr;
unsigned long new_spsr_value = *vcpu_cpsr(vcpu);
bool is_thumb = (new_spsr_value & COMPAT_PSR_T_BIT);
- u32 return_offset = (is_thumb) ? 4 : 0;
+ u32 return_offset = return_offsets[vect_offset >> 2][is_thumb];
u32 sctlr = vcpu_cp15(vcpu, c1_SCTLR);
cpsr = mode | COMPAT_PSR_I_BIT;
diff --git a/arch/mips/generic/Makefile b/arch/mips/generic/Makefile
index 56b3ea5..8749673 100644
--- a/arch/mips/generic/Makefile
+++ b/arch/mips/generic/Makefile
@@ -1,6 +1,6 @@
#
# Copyright (C) 2016 Imagination Technologies
-# Author: Paul Burton <paul.burton@imgtec.com>
+# Author: Paul Burton <paul.burton@mips.com>
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
diff --git a/arch/mips/generic/Platform b/arch/mips/generic/Platform
index f5312df..b51432d 100644
--- a/arch/mips/generic/Platform
+++ b/arch/mips/generic/Platform
@@ -1,6 +1,6 @@
#
# Copyright (C) 2016 Imagination Technologies
-# Author: Paul Burton <paul.burton@imgtec.com>
+# Author: Paul Burton <paul.burton@mips.com>
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
diff --git a/arch/mips/generic/board-ni169445.its.S b/arch/mips/generic/board-ni169445.its.S
index d12e12f..e4cb4f9 100644
--- a/arch/mips/generic/board-ni169445.its.S
+++ b/arch/mips/generic/board-ni169445.its.S
@@ -1,4 +1,4 @@
-{
+/ {
images {
fdt@ni169445 {
description = "NI 169445 device tree";
diff --git a/arch/mips/generic/board-sead3.c b/arch/mips/generic/board-sead3.c
index f109a6b..10cf93d 100644
--- a/arch/mips/generic/board-sead3.c
+++ b/arch/mips/generic/board-sead3.c
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2016 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
diff --git a/arch/mips/generic/init.c b/arch/mips/generic/init.c
index 15a7fb8..5ba6fcc 100644
--- a/arch/mips/generic/init.c
+++ b/arch/mips/generic/init.c
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2016 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@@ -20,7 +20,7 @@
#include <asm/fw/fw.h>
#include <asm/irq_cpu.h>
#include <asm/machine.h>
-#include <asm/mips-cpc.h>
+#include <asm/mips-cps.h>
#include <asm/prom.h>
#include <asm/smp-ops.h>
#include <asm/time.h>
diff --git a/arch/mips/generic/irq.c b/arch/mips/generic/irq.c
index 5322d09..394f816 100644
--- a/arch/mips/generic/irq.c
+++ b/arch/mips/generic/irq.c
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2016 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
diff --git a/arch/mips/generic/kexec.c b/arch/mips/generic/kexec.c
index e9fb735..1ca409f 100644
--- a/arch/mips/generic/kexec.c
+++ b/arch/mips/generic/kexec.c
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2016 Imagination Technologies
- * Author: Marcin Nowakowski <marcin.nowakowski@imgtec.com>
+ * Author: Marcin Nowakowski <marcin.nowakowski@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
diff --git a/arch/mips/generic/proc.c b/arch/mips/generic/proc.c
index 42b3325..199fb2c 100644
--- a/arch/mips/generic/proc.c
+++ b/arch/mips/generic/proc.c
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2016 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
diff --git a/arch/mips/generic/yamon-dt.c b/arch/mips/generic/yamon-dt.c
index 6077bca..b408dac 100644
--- a/arch/mips/generic/yamon-dt.c
+++ b/arch/mips/generic/yamon-dt.c
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2016 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
diff --git a/arch/mips/include/asm/dsemul.h b/arch/mips/include/asm/dsemul.h
index a6e0678..b47a975 100644
--- a/arch/mips/include/asm/dsemul.h
+++ b/arch/mips/include/asm/dsemul.h
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2016 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
diff --git a/arch/mips/include/asm/maar.h b/arch/mips/include/asm/maar.h
index e10f78b..1e0da80 100644
--- a/arch/mips/include/asm/maar.h
+++ b/arch/mips/include/asm/maar.h
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2014 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
diff --git a/arch/mips/include/asm/mach-malta/malta-dtshim.h b/arch/mips/include/asm/mach-malta/malta-dtshim.h
index cfd7776..d696a75 100644
--- a/arch/mips/include/asm/mach-malta/malta-dtshim.h
+++ b/arch/mips/include/asm/mach-malta/malta-dtshim.h
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2015 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
diff --git a/arch/mips/include/asm/mach-malta/malta-pm.h b/arch/mips/include/asm/mach-malta/malta-pm.h
index c2c2e20..347b53d 100644
--- a/arch/mips/include/asm/mach-malta/malta-pm.h
+++ b/arch/mips/include/asm/mach-malta/malta-pm.h
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2014 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
diff --git a/arch/mips/include/asm/machine.h b/arch/mips/include/asm/machine.h
index ecb6c73..e0d9b37 100644
--- a/arch/mips/include/asm/machine.h
+++ b/arch/mips/include/asm/machine.h
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2016 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
diff --git a/arch/mips/include/asm/mips-cm.h b/arch/mips/include/asm/mips-cm.h
index f6231b9..8bc5df4 100644
--- a/arch/mips/include/asm/mips-cm.h
+++ b/arch/mips/include/asm/mips-cm.h
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2013 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@@ -142,8 +142,8 @@
GCR_ACCESSOR_RW(64, 0x008, base)
#define CM_GCR_BASE_GCRBASE GENMASK_ULL(47, 15)
#define CM_GCR_BASE_CMDEFTGT GENMASK(1, 0)
-#define CM_GCR_BASE_CMDEFTGT_DISABLED 0
-#define CM_GCR_BASE_CMDEFTGT_MEM 1
+#define CM_GCR_BASE_CMDEFTGT_MEM 0
+#define CM_GCR_BASE_CMDEFTGT_RESERVED 1
#define CM_GCR_BASE_CMDEFTGT_IOCU0 2
#define CM_GCR_BASE_CMDEFTGT_IOCU1 3
diff --git a/arch/mips/include/asm/mips-cpc.h b/arch/mips/include/asm/mips-cpc.h
index f885051..b55e335 100644
--- a/arch/mips/include/asm/mips-cpc.h
+++ b/arch/mips/include/asm/mips-cpc.h
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2013 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
diff --git a/arch/mips/include/asm/mips-cps.h b/arch/mips/include/asm/mips-cps.h
index bf02b507..8ad4a85 100644
--- a/arch/mips/include/asm/mips-cps.h
+++ b/arch/mips/include/asm/mips-cps.h
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2017 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
diff --git a/arch/mips/include/asm/mips-gic.h b/arch/mips/include/asm/mips-gic.h
index a2badf5..558059a 100644
--- a/arch/mips/include/asm/mips-gic.h
+++ b/arch/mips/include/asm/mips-gic.h
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2017 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
diff --git a/arch/mips/include/asm/msa.h b/arch/mips/include/asm/msa.h
index 8967b47..b184510 100644
--- a/arch/mips/include/asm/msa.h
+++ b/arch/mips/include/asm/msa.h
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2013 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
diff --git a/arch/mips/include/asm/pm-cps.h b/arch/mips/include/asm/pm-cps.h
index 89d58d8..bb06169 100644
--- a/arch/mips/include/asm/pm-cps.h
+++ b/arch/mips/include/asm/pm-cps.h
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2014 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
diff --git a/arch/mips/include/asm/smp-cps.h b/arch/mips/include/asm/smp-cps.h
index 2ae1f61..16b4ee3 100644
--- a/arch/mips/include/asm/smp-cps.h
+++ b/arch/mips/include/asm/smp-cps.h
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2013 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
diff --git a/arch/mips/include/asm/stackframe.h b/arch/mips/include/asm/stackframe.h
index 5d3563c..2161357 100644
--- a/arch/mips/include/asm/stackframe.h
+++ b/arch/mips/include/asm/stackframe.h
@@ -199,6 +199,10 @@
sll k0, 3 /* extract cu0 bit */
.set noreorder
bltz k0, 8f
+ move k0, sp
+ .if \docfi
+ .cfi_register sp, k0
+ .endif
#ifdef CONFIG_EVA
/*
* Flush interAptiv's Return Prediction Stack (RPS) by writing
@@ -225,10 +229,6 @@
MTC0 k0, CP0_ENTRYHI
#endif
.set reorder
- move k0, sp
- .if \docfi
- .cfi_register sp, k0
- .endif
/* Called from user mode, new stack. */
get_saved_sp docfi=\docfi tosp=1
8:
diff --git a/arch/mips/include/asm/yamon-dt.h b/arch/mips/include/asm/yamon-dt.h
index 485cfe3..10a073e 100644
--- a/arch/mips/include/asm/yamon-dt.h
+++ b/arch/mips/include/asm/yamon-dt.h
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2016 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
diff --git a/arch/mips/kernel/cmpxchg.c b/arch/mips/kernel/cmpxchg.c
index 7730f1d..0b9535b 100644
--- a/arch/mips/kernel/cmpxchg.c
+++ b/arch/mips/kernel/cmpxchg.c
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2017 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
diff --git a/arch/mips/kernel/cps-vec-ns16550.S b/arch/mips/kernel/cps-vec-ns16550.S
index 6d246ad..b37af23 100644
--- a/arch/mips/kernel/cps-vec-ns16550.S
+++ b/arch/mips/kernel/cps-vec-ns16550.S
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2015 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
diff --git a/arch/mips/kernel/cps-vec.S b/arch/mips/kernel/cps-vec.S
index d173b49..c7ed260 100644
--- a/arch/mips/kernel/cps-vec.S
+++ b/arch/mips/kernel/cps-vec.S
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2013 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
diff --git a/arch/mips/kernel/elf.c b/arch/mips/kernel/elf.c
index 0828d6d..731325a 100644
--- a/arch/mips/kernel/elf.c
+++ b/arch/mips/kernel/elf.c
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2014 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
diff --git a/arch/mips/kernel/mips-cm.c b/arch/mips/kernel/mips-cm.c
index e91c8c4..dd5567b 100644
--- a/arch/mips/kernel/mips-cm.c
+++ b/arch/mips/kernel/mips-cm.c
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2013 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
diff --git a/arch/mips/kernel/mips-cpc.c b/arch/mips/kernel/mips-cpc.c
index f66b05e..19c88d7 100644
--- a/arch/mips/kernel/mips-cpc.c
+++ b/arch/mips/kernel/mips-cpc.c
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2013 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
diff --git a/arch/mips/kernel/pm-cps.c b/arch/mips/kernel/pm-cps.c
index 4655017..9dd624c 100644
--- a/arch/mips/kernel/pm-cps.c
+++ b/arch/mips/kernel/pm-cps.c
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2014 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
diff --git a/arch/mips/kernel/probes-common.h b/arch/mips/kernel/probes-common.h
index dd08e41..d2bf77b 100644
--- a/arch/mips/kernel/probes-common.h
+++ b/arch/mips/kernel/probes-common.h
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2016 Imagination Technologies
- * Author: Marcin Nowakowski <marcin.nowakowski@imgtec.com>
+ * Author: Marcin Nowakowski <marcin.nowakowski@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
diff --git a/arch/mips/kernel/relocate.c b/arch/mips/kernel/relocate.c
index 2d1a0c4..cbf4cc0 100644
--- a/arch/mips/kernel/relocate.c
+++ b/arch/mips/kernel/relocate.c
@@ -6,7 +6,7 @@
* Support for Kernel relocation at boot time
*
* Copyright (C) 2015, Imagination Technologies Ltd.
- * Authors: Matt Redfearn (matt.redfearn@imgtec.com)
+ * Authors: Matt Redfearn (matt.redfearn@mips.com)
*/
#include <asm/bootinfo.h>
#include <asm/cacheflush.h>
diff --git a/arch/mips/kernel/smp-cmp.c b/arch/mips/kernel/smp-cmp.c
index 05295a4..a232200 100644
--- a/arch/mips/kernel/smp-cmp.c
+++ b/arch/mips/kernel/smp-cmp.c
@@ -19,7 +19,7 @@
#undef DEBUG
#include <linux/kernel.h>
-#include <linux/sched.h>
+#include <linux/sched/task_stack.h>
#include <linux/smp.h>
#include <linux/cpumask.h>
#include <linux/interrupt.h>
@@ -50,8 +50,8 @@
#ifdef CONFIG_MIPS_MT_SMP
if (cpu_has_mipsmt)
- c->vpe_id = (read_c0_tcbind() >> TCBIND_CURVPE_SHIFT) &
- TCBIND_CURVPE;
+ cpu_set_vpe_id(c, (read_c0_tcbind() >> TCBIND_CURVPE_SHIFT) &
+ TCBIND_CURVPE);
#endif
}
diff --git a/arch/mips/kernel/smp-cps.c b/arch/mips/kernel/smp-cps.c
index 0063122..ecc1a85 100644
--- a/arch/mips/kernel/smp-cps.c
+++ b/arch/mips/kernel/smp-cps.c
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2013 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@@ -306,7 +306,7 @@
int err;
/* We don't yet support booting CPUs in other clusters */
- if (cpu_cluster(&cpu_data[cpu]) != cpu_cluster(¤t_cpu_data))
+ if (cpu_cluster(&cpu_data[cpu]) != cpu_cluster(&raw_current_cpu_data))
return -ENOSYS;
vpe_cfg->pc = (unsigned long)&smp_bootstrap;
diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index bbe19b6..88be966 100644
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -42,7 +42,7 @@
#include <asm/processor.h>
#include <asm/idle.h>
#include <asm/r4k-timer.h>
-#include <asm/mips-cpc.h>
+#include <asm/mips-cps.h>
#include <asm/mmu_context.h>
#include <asm/time.h>
#include <asm/setup.h>
@@ -66,6 +66,7 @@
cpumask_t cpu_core_map[NR_CPUS] __read_mostly;
EXPORT_SYMBOL(cpu_core_map);
+static DECLARE_COMPLETION(cpu_starting);
static DECLARE_COMPLETION(cpu_running);
/*
@@ -374,6 +375,12 @@
cpumask_set_cpu(cpu, &cpu_coherent_mask);
notify_cpu_starting(cpu);
+ /* Notify boot CPU that we're starting & ready to sync counters */
+ complete(&cpu_starting);
+
+ synchronise_count_slave(cpu);
+
+ /* The CPU is running and counters synchronised, now mark it online */
set_cpu_online(cpu, true);
set_cpu_sibling_map(cpu);
@@ -381,8 +388,11 @@
calculate_cpu_foreign_map();
+ /*
+ * Notify boot CPU that we're up & online and it can safely return
+ * from __cpu_up
+ */
complete(&cpu_running);
- synchronise_count_slave(cpu);
/*
* irq will be enabled in ->smp_finish(), enabling it too early
@@ -445,17 +455,17 @@
if (err)
return err;
- /*
- * We must check for timeout here, as the CPU will not be marked
- * online until the counters are synchronised.
- */
- if (!wait_for_completion_timeout(&cpu_running,
+ /* Wait for CPU to start and be ready to sync counters */
+ if (!wait_for_completion_timeout(&cpu_starting,
msecs_to_jiffies(1000))) {
pr_crit("CPU%u: failed to start\n", cpu);
return -EIO;
}
synchronise_count_master(cpu);
+
+ /* Wait for CPU to finish startup & mark itself online before return */
+ wait_for_completion(&cpu_running);
return 0;
}
diff --git a/arch/mips/mm/sc-debugfs.c b/arch/mips/mm/sc-debugfs.c
index 7e945e3..2e2132d 100644
--- a/arch/mips/mm/sc-debugfs.c
+++ b/arch/mips/mm/sc-debugfs.c
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2015 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
diff --git a/arch/mips/mm/uasm-micromips.c b/arch/mips/mm/uasm-micromips.c
index c28ff53..cdb5a19 100644
--- a/arch/mips/mm/uasm-micromips.c
+++ b/arch/mips/mm/uasm-micromips.c
@@ -80,7 +80,7 @@
[insn_jr] = {M(mm_pool32a_op, 0, 0, 0, mm_jalr_op, mm_pool32axf_op), RS},
[insn_lb] = {M(mm_lb32_op, 0, 0, 0, 0, 0), RT | RS | SIMM},
[insn_ld] = {0, 0},
- [insn_lh] = {M(mm_lh32_op, 0, 0, 0, 0, 0), RS | RS | SIMM},
+ [insn_lh] = {M(mm_lh32_op, 0, 0, 0, 0, 0), RT | RS | SIMM},
[insn_ll] = {M(mm_pool32c_op, 0, 0, (mm_ll_func << 1), 0, 0), RS | RT | SIMM},
[insn_lld] = {0, 0},
[insn_lui] = {M(mm_pool32i_op, mm_lui_op, 0, 0, 0, 0), RS | SIMM},
diff --git a/arch/mips/mti-malta/malta-dt.c b/arch/mips/mti-malta/malta-dt.c
index 4822943..b397117 100644
--- a/arch/mips/mti-malta/malta-dt.c
+++ b/arch/mips/mti-malta/malta-dt.c
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2015 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
diff --git a/arch/mips/mti-malta/malta-dtshim.c b/arch/mips/mti-malta/malta-dtshim.c
index a6699c1..7859b6e 100644
--- a/arch/mips/mti-malta/malta-dtshim.c
+++ b/arch/mips/mti-malta/malta-dtshim.c
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2015 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
diff --git a/arch/mips/mti-malta/malta-pm.c b/arch/mips/mti-malta/malta-pm.c
index c1e456c..efbd659 100644
--- a/arch/mips/mti-malta/malta-pm.c
+++ b/arch/mips/mti-malta/malta-pm.c
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2014 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
diff --git a/arch/mips/net/ebpf_jit.c b/arch/mips/net/ebpf_jit.c
index 01b7a87..962b025 100644
--- a/arch/mips/net/ebpf_jit.c
+++ b/arch/mips/net/ebpf_jit.c
@@ -1513,7 +1513,7 @@
}
src = ebpf_to_mips_reg(ctx, insn, src_reg_no_fp);
if (src < 0)
- return dst;
+ return src;
if (BPF_MODE(insn->code) == BPF_XADD) {
switch (BPF_SIZE(insn->code)) {
case BPF_W:
diff --git a/arch/mips/pci/pci-generic.c b/arch/mips/pci/pci-generic.c
index dce304d..6763481 100644
--- a/arch/mips/pci/pci-generic.c
+++ b/arch/mips/pci/pci-generic.c
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2016 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* pcibios_align_resource taken from arch/arm/kernel/bios32.c.
*
diff --git a/arch/mips/tools/generic-board-config.sh b/arch/mips/tools/generic-board-config.sh
index 654d652..08849f8 100755
--- a/arch/mips/tools/generic-board-config.sh
+++ b/arch/mips/tools/generic-board-config.sh
@@ -1,7 +1,7 @@
#!/bin/sh
#
# Copyright (C) 2017 Imagination Technologies
-# Author: Paul Burton <paul.burton@imgtec.com>
+# Author: Paul Burton <paul.burton@mips.com>
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
diff --git a/arch/powerpc/include/asm/code-patching.h b/arch/powerpc/include/asm/code-patching.h
index 5482928..abef812 100644
--- a/arch/powerpc/include/asm/code-patching.h
+++ b/arch/powerpc/include/asm/code-patching.h
@@ -83,16 +83,8 @@
* On PPC64 ABIv1 the function pointer actually points to the
* function's descriptor. The first entry in the descriptor is the
* address of the function text.
- *
- * However, we may also receive pointer to an assembly symbol. To
- * detect that, we first check if the function pointer we receive
- * already points to kernel/module text and we only dereference it
- * if it doesn't.
*/
- if (kernel_text_address((unsigned long)func))
- return (unsigned long)func;
- else
- return ((func_descr_t *)func)->entry;
+ return ((func_descr_t *)func)->entry;
#else
return (unsigned long)func;
#endif
diff --git a/arch/powerpc/kernel/align.c b/arch/powerpc/kernel/align.c
index 43ef251..3e6c074 100644
--- a/arch/powerpc/kernel/align.c
+++ b/arch/powerpc/kernel/align.c
@@ -332,7 +332,7 @@
* when pasting to a co-processor. Furthermore, paste_last is the
* synchronisation point for preceding copy/paste sequences.
*/
- if ((instr & 0xfc0006fe) == PPC_INST_COPY)
+ if ((instr & 0xfc0006fe) == (PPC_INST_COPY & 0xfc0006fe))
return -EIO;
r = analyse_instr(&op, regs, instr);
diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c
index 367494d..bebc300 100644
--- a/arch/powerpc/kernel/kprobes.c
+++ b/arch/powerpc/kernel/kprobes.c
@@ -600,7 +600,12 @@
unsigned long arch_deref_entry_point(void *entry)
{
- return ppc_global_function_entry(entry);
+#ifdef PPC64_ELF_ABI_v1
+ if (!kernel_text_address((unsigned long)entry))
+ return ppc_global_function_entry(entry);
+ else
+#endif
+ return (unsigned long)entry;
}
NOKPROBE_SYMBOL(arch_deref_entry_point);
diff --git a/arch/powerpc/mm/tlb-radix.c b/arch/powerpc/mm/tlb-radix.c
index b3e849c..d304028 100644
--- a/arch/powerpc/mm/tlb-radix.c
+++ b/arch/powerpc/mm/tlb-radix.c
@@ -360,12 +360,14 @@
pid = mm ? mm->context.id : 0;
+ preempt_disable();
if (unlikely(pid == MMU_NO_CONTEXT))
goto no_context;
/* 4k page size, just blow the world */
if (PAGE_SIZE == 0x1000) {
radix__flush_all_mm(mm);
+ preempt_enable();
return;
}
diff --git a/arch/powerpc/perf/imc-pmu.c b/arch/powerpc/perf/imc-pmu.c
index 8812624..3634411 100644
--- a/arch/powerpc/perf/imc-pmu.c
+++ b/arch/powerpc/perf/imc-pmu.c
@@ -607,6 +607,20 @@
if (!cpumask_test_and_clear_cpu(cpu, &core_imc_cpumask))
return 0;
+ /*
+ * Check whether core_imc is registered. We could end up here
+ * if the cpuhotplug callback registration fails. i.e, callback
+ * invokes the offline path for all sucessfully registered cpus.
+ * At this stage, core_imc pmu will not be registered and we
+ * should return here.
+ *
+ * We return with a zero since this is not an offline failure.
+ * And cpuhp_setup_state() returns the actual failure reason
+ * to the caller, which inturn will call the cleanup routine.
+ */
+ if (!core_imc_pmu->pmu.event_init)
+ return 0;
+
/* Find any online cpu in that core except the current "cpu" */
ncpu = cpumask_any_but(cpu_sibling_mask(cpu), cpu);
@@ -1104,7 +1118,7 @@
static void cleanup_all_core_imc_memory(void)
{
- int i, nr_cores = num_present_cpus() / threads_per_core;
+ int i, nr_cores = DIV_ROUND_UP(num_present_cpus(), threads_per_core);
struct imc_mem_info *ptr = core_imc_pmu->mem_info;
int size = core_imc_pmu->counter_mem_size;
@@ -1212,7 +1226,7 @@
if (!pmu_ptr->pmu.name)
return -ENOMEM;
- nr_cores = num_present_cpus() / threads_per_core;
+ nr_cores = DIV_ROUND_UP(num_present_cpus(), threads_per_core);
pmu_ptr->mem_info = kcalloc(nr_cores, sizeof(struct imc_mem_info),
GFP_KERNEL);
diff --git a/arch/tile/Makefile b/arch/tile/Makefile
index 4dc380a..8fa0bef 100644
--- a/arch/tile/Makefile
+++ b/arch/tile/Makefile
@@ -51,6 +51,8 @@
BITS := 32
endif
+CHECKFLAGS += -m$(BITS)
+
head-y := arch/tile/kernel/head_$(BITS).o
libs-y += arch/tile/lib/
diff --git a/arch/tile/kernel/time.c b/arch/tile/kernel/time.c
index 6643ffb..f95d65f 100644
--- a/arch/tile/kernel/time.c
+++ b/arch/tile/kernel/time.c
@@ -162,6 +162,7 @@
.set_next_event = tile_timer_set_next_event,
.set_state_shutdown = tile_timer_shutdown,
.set_state_oneshot = tile_timer_shutdown,
+ .set_state_oneshot_stopped = tile_timer_shutdown,
.tick_resume = tile_timer_shutdown,
};
diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile
index c60922a..236999c 100644
--- a/arch/x86/kernel/cpu/Makefile
+++ b/arch/x86/kernel/cpu/Makefile
@@ -22,7 +22,7 @@
obj-y += rdrand.o
obj-y += match.o
obj-y += bugs.o
-obj-$(CONFIG_CPU_FREQ) += aperfmperf.o
+obj-y += aperfmperf.o
obj-$(CONFIG_PROC_FS) += proc.o
obj-$(CONFIG_X86_FEATURE_NAMES) += capflags.o powerflags.o
diff --git a/arch/x86/kernel/cpu/aperfmperf.c b/arch/x86/kernel/cpu/aperfmperf.c
index 0ee8332..957813e 100644
--- a/arch/x86/kernel/cpu/aperfmperf.c
+++ b/arch/x86/kernel/cpu/aperfmperf.c
@@ -42,10 +42,6 @@
s64 time_delta = ktime_ms_delta(now, s->time);
unsigned long flags;
- /* Don't bother re-computing within the cache threshold time. */
- if (time_delta < APERFMPERF_CACHE_THRESHOLD_MS)
- return;
-
local_irq_save(flags);
rdmsrl(MSR_IA32_APERF, aperf);
rdmsrl(MSR_IA32_MPERF, mperf);
@@ -74,6 +70,7 @@
unsigned int arch_freq_get_on_cpu(int cpu)
{
+ s64 time_delta;
unsigned int khz;
if (!cpu_khz)
@@ -82,6 +79,12 @@
if (!static_cpu_has(X86_FEATURE_APERFMPERF))
return 0;
+ /* Don't bother re-computing within the cache threshold time. */
+ time_delta = ktime_ms_delta(ktime_get(), per_cpu(samples.time, cpu));
+ khz = per_cpu(samples.khz, cpu);
+ if (khz && time_delta < APERFMPERF_CACHE_THRESHOLD_MS)
+ return khz;
+
smp_call_function_single(cpu, aperfmperf_snapshot_khz, NULL, 1);
khz = per_cpu(samples.khz, cpu);
if (khz)
diff --git a/arch/x86/kernel/cpu/proc.c b/arch/x86/kernel/cpu/proc.c
index 6b7e17b..4378a72 100644
--- a/arch/x86/kernel/cpu/proc.c
+++ b/arch/x86/kernel/cpu/proc.c
@@ -78,9 +78,11 @@
seq_printf(m, "microcode\t: 0x%x\n", c->microcode);
if (cpu_has(c, X86_FEATURE_TSC)) {
- unsigned int freq = cpufreq_quick_get(cpu);
+ unsigned int freq = arch_freq_get_on_cpu(cpu);
if (!freq)
+ freq = cpufreq_quick_get(cpu);
+ if (!freq)
freq = cpu_khz;
seq_printf(m, "cpu MHz\t\t: %u.%03u\n",
freq / 1000, (freq % 1000));
diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c
index d889676..5b609e2 100644
--- a/arch/x86/kernel/kvmclock.c
+++ b/arch/x86/kernel/kvmclock.c
@@ -79,7 +79,7 @@
static int kvm_set_wallclock(const struct timespec *now)
{
- return -1;
+ return -ENODEV;
}
static u64 kvm_clock_read(void)
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 69c5612..36c90d6 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -1992,6 +1992,11 @@
vcpu->arch.apic_base | MSR_IA32_APICBASE_BSP);
vcpu->arch.pv_eoi.msr_val = 0;
apic_update_ppr(apic);
+ if (vcpu->arch.apicv_active) {
+ kvm_x86_ops->apicv_post_state_restore(vcpu);
+ kvm_x86_ops->hwapic_irr_update(vcpu, -1);
+ kvm_x86_ops->hwapic_isr_update(vcpu, -1);
+ }
vcpu->arch.apic_arb_prio = 0;
vcpu->arch.apic_attention = 0;
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 95a0160..a6f4f09 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -5619,9 +5619,6 @@
kvm_make_request(KVM_REQ_APIC_PAGE_RELOAD, vcpu);
- if (kvm_vcpu_apicv_active(vcpu))
- memset(&vmx->pi_desc, 0, sizeof(struct pi_desc));
-
if (vmx->vpid != 0)
vmcs_write16(VIRTUAL_PROCESSOR_ID, vmx->vpid);
diff --git a/drivers/auxdisplay/img-ascii-lcd.c b/drivers/auxdisplay/img-ascii-lcd.c
index 25306fa..a9020f8 100644
--- a/drivers/auxdisplay/img-ascii-lcd.c
+++ b/drivers/auxdisplay/img-ascii-lcd.c
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2016 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
diff --git a/drivers/clk/imgtec/clk-boston.c b/drivers/clk/imgtec/clk-boston.c
index f18f103..15af423 100644
--- a/drivers/clk/imgtec/clk-boston.c
+++ b/drivers/clk/imgtec/clk-boston.c
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2016-2017 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
diff --git a/drivers/clk/ingenic/cgu.c b/drivers/clk/ingenic/cgu.c
index e8248f9..ab39363 100644
--- a/drivers/clk/ingenic/cgu.c
+++ b/drivers/clk/ingenic/cgu.c
@@ -2,7 +2,7 @@
* Ingenic SoC CGU driver
*
* Copyright (c) 2013-2015 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
diff --git a/drivers/clk/ingenic/cgu.h b/drivers/clk/ingenic/cgu.h
index 09700b2..e78b586 100644
--- a/drivers/clk/ingenic/cgu.h
+++ b/drivers/clk/ingenic/cgu.h
@@ -2,7 +2,7 @@
* Ingenic SoC CGU driver
*
* Copyright (c) 2013-2015 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
diff --git a/drivers/clk/ingenic/jz4740-cgu.c b/drivers/clk/ingenic/jz4740-cgu.c
index 510fe7e..32fcc75 100644
--- a/drivers/clk/ingenic/jz4740-cgu.c
+++ b/drivers/clk/ingenic/jz4740-cgu.c
@@ -2,7 +2,7 @@
* Ingenic JZ4740 SoC CGU driver
*
* Copyright (c) 2015 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
diff --git a/drivers/clk/ingenic/jz4780-cgu.c b/drivers/clk/ingenic/jz4780-cgu.c
index b35d6d9..ac3585e 100644
--- a/drivers/clk/ingenic/jz4780-cgu.c
+++ b/drivers/clk/ingenic/jz4780-cgu.c
@@ -2,7 +2,7 @@
* Ingenic JZ4780 SoC CGU driver
*
* Copyright (c) 2013-2015 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
diff --git a/drivers/clk/uniphier/clk-uniphier-sys.c b/drivers/clk/uniphier/clk-uniphier-sys.c
index 0e396f3..07f3b91 100644
--- a/drivers/clk/uniphier/clk-uniphier-sys.c
+++ b/drivers/clk/uniphier/clk-uniphier-sys.c
@@ -233,9 +233,9 @@
UNIPHIER_LD20_SYS_CLK_SD,
UNIPHIER_LD11_SYS_CLK_NAND(2),
UNIPHIER_LD11_SYS_CLK_EMMC(4),
- UNIPHIER_CLK_GATE("usb30", 12, NULL, 0x2104, 4), /* =GIO0 */
- UNIPHIER_CLK_GATE("usb31-0", 13, NULL, 0x2104, 5), /* =GIO1 */
- UNIPHIER_CLK_GATE("usb31-1", 14, NULL, 0x2104, 6), /* =GIO1-1 */
+ UNIPHIER_CLK_GATE("usb30", 12, NULL, 0x210c, 4), /* =GIO0 */
+ UNIPHIER_CLK_GATE("usb31-0", 13, NULL, 0x210c, 5), /* =GIO1 */
+ UNIPHIER_CLK_GATE("usb31-1", 14, NULL, 0x210c, 6), /* =GIO1-1 */
UNIPHIER_CLK_GATE("usb30-phy0", 16, NULL, 0x210c, 16),
UNIPHIER_CLK_GATE("usb30-phy1", 17, NULL, 0x210c, 18),
UNIPHIER_CLK_GATE("usb30-phy2", 18, NULL, 0x210c, 20),
diff --git a/drivers/cpuidle/cpuidle-cps.c b/drivers/cpuidle/cpuidle-cps.c
index 72b5e47..dac8ff6 100644
--- a/drivers/cpuidle/cpuidle-cps.c
+++ b/drivers/cpuidle/cpuidle-cps.c
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2014 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
diff --git a/drivers/firmware/efi/libstub/Makefile b/drivers/firmware/efi/libstub/Makefile
index 2371a92..adaa4a9 100644
--- a/drivers/firmware/efi/libstub/Makefile
+++ b/drivers/firmware/efi/libstub/Makefile
@@ -34,13 +34,14 @@
lib-$(CONFIG_RESET_ATTACK_MITIGATION) += tpm.o
# include the stub's generic dependencies from lib/ when building for ARM/arm64
-arm-deps := fdt_rw.c fdt_ro.c fdt_wip.c fdt.c fdt_empty_tree.c fdt_sw.c sort.c
+arm-deps-y := fdt_rw.c fdt_ro.c fdt_wip.c fdt.c fdt_empty_tree.c fdt_sw.c
+arm-deps-$(CONFIG_ARM64) += sort.c
$(obj)/lib-%.o: $(srctree)/lib/%.c FORCE
$(call if_changed_rule,cc_o_c)
lib-$(CONFIG_EFI_ARMSTUB) += arm-stub.o fdt.o string.o random.o \
- $(patsubst %.c,lib-%.o,$(arm-deps))
+ $(patsubst %.c,lib-%.o,$(arm-deps-y))
lib-$(CONFIG_ARM) += arm32-stub.o
lib-$(CONFIG_ARM64) += arm64-stub.o
@@ -91,5 +92,4 @@
# explicitly by the decompressor linker script.
#
STUBCOPY_FLAGS-$(CONFIG_ARM) += --rename-section .data=.data.efistub
-STUBCOPY_RM-$(CONFIG_ARM) += -R ___ksymtab+sort -R ___kcrctab+sort
STUBCOPY_RELOC-$(CONFIG_ARM) := R_ARM_ABS
diff --git a/drivers/firmware/efi/libstub/arm-stub.c b/drivers/firmware/efi/libstub/arm-stub.c
index a94601d..01a9d78 100644
--- a/drivers/firmware/efi/libstub/arm-stub.c
+++ b/drivers/firmware/efi/libstub/arm-stub.c
@@ -350,7 +350,9 @@
* The easiest way to find adjacent regions is to sort the memory map
* before traversing it.
*/
- sort(memory_map, map_size / desc_size, desc_size, cmp_mem_desc, NULL);
+ if (IS_ENABLED(CONFIG_ARM64))
+ sort(memory_map, map_size / desc_size, desc_size, cmp_mem_desc,
+ NULL);
for (l = 0; l < map_size; l += desc_size, prev = in) {
u64 paddr, size;
@@ -367,7 +369,8 @@
* a 4k page size kernel to kexec a 64k page size kernel and
* vice versa.
*/
- if (!regions_are_adjacent(prev, in) ||
+ if ((IS_ENABLED(CONFIG_ARM64) &&
+ !regions_are_adjacent(prev, in)) ||
!regions_have_compatible_memory_type_attrs(prev, in)) {
paddr = round_down(in->phys_addr, SZ_64K);
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
index 430a6b4..62cd16a 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
@@ -93,6 +93,10 @@
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ if (!(adev->flags & AMD_IS_APU) &&
+ (RREG32_SMC(ixCC_HARVEST_FUSES) & CC_HARVEST_FUSES__UVD_DISABLE_MASK))
+ return -ENOENT;
+
uvd_v6_0_set_ring_funcs(adev);
uvd_v6_0_set_irq_funcs(adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
index 90332f5..cf81065 100644
--- a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
@@ -365,15 +365,10 @@
{
u32 tmp;
- /* Fiji, Stoney, Polaris10, Polaris11, Polaris12 are single pipe */
if ((adev->asic_type == CHIP_FIJI) ||
- (adev->asic_type == CHIP_STONEY) ||
- (adev->asic_type == CHIP_POLARIS10) ||
- (adev->asic_type == CHIP_POLARIS11) ||
- (adev->asic_type == CHIP_POLARIS12))
+ (adev->asic_type == CHIP_STONEY))
return AMDGPU_VCE_HARVEST_VCE1;
- /* Tonga and CZ are dual or single pipe */
if (adev->flags & AMD_IS_APU)
tmp = (RREG32_SMC(ixVCE_HARVEST_FUSE_MACRO__ADDRESS) &
VCE_HARVEST_FUSE_MACRO__MASK) >>
@@ -391,6 +386,11 @@
case 3:
return AMDGPU_VCE_HARVEST_VCE0 | AMDGPU_VCE_HARVEST_VCE1;
default:
+ if ((adev->asic_type == CHIP_POLARIS10) ||
+ (adev->asic_type == CHIP_POLARIS11) ||
+ (adev->asic_type == CHIP_POLARIS12))
+ return AMDGPU_VCE_HARVEST_VCE1;
+
return 0;
}
}
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 32e857d..dc1faa4 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2214,8 +2214,10 @@
struct radix_tree_iter iter;
void __rcu **slot;
+ rcu_read_lock();
radix_tree_for_each_slot(slot, &obj->mm.get_page.radix, &iter, 0)
radix_tree_delete(&obj->mm.get_page.radix, iter.index);
+ rcu_read_unlock();
}
void __i915_gem_object_put_pages(struct drm_i915_gem_object *obj,
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
index 58a2a44..8afd2ce 100644
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@ -104,6 +104,7 @@
kmem_cache_free(ctx->i915->luts, lut);
}
+ rcu_read_lock();
radix_tree_for_each_slot(slot, &ctx->handles_vma, &iter, 0) {
struct i915_vma *vma = rcu_dereference_raw(*slot);
struct drm_i915_gem_object *obj = vma->obj;
@@ -115,6 +116,7 @@
__i915_gem_object_release_unless_active(obj);
}
+ rcu_read_unlock();
}
static void i915_gem_context_free(struct i915_gem_context *ctx)
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 92437f4..4ac454a 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -337,6 +337,10 @@
(vma->node.start + vma->node.size - 1) >> 32)
return true;
+ if (flags & __EXEC_OBJECT_NEEDS_MAP &&
+ !i915_vma_is_map_and_fenceable(vma))
+ return true;
+
return false;
}
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 5c7828c..5ebdb63 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -15227,6 +15227,23 @@
intel_panel_destroy_backlight(connector);
}
+static void intel_hpd_poll_fini(struct drm_device *dev)
+{
+ struct intel_connector *connector;
+ struct drm_connector_list_iter conn_iter;
+
+ /* First disable polling... */
+ drm_kms_helper_poll_fini(dev);
+
+ /* Then kill the work that may have been queued by hpd. */
+ drm_connector_list_iter_begin(dev, &conn_iter);
+ for_each_intel_connector_iter(connector, &conn_iter) {
+ if (connector->modeset_retry_work.func)
+ cancel_work_sync(&connector->modeset_retry_work);
+ }
+ drm_connector_list_iter_end(&conn_iter);
+}
+
void intel_modeset_cleanup(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = to_i915(dev);
@@ -15247,7 +15264,7 @@
* Due to the hpd irq storm handling the hotplug work can re-arm the
* poll handlers. Hence disable polling after hpd handling is shut down.
*/
- drm_kms_helper_poll_fini(dev);
+ intel_hpd_poll_fini(dev);
/* poll work can call into fbdev, hence clean that up afterwards */
intel_fbdev_fini(dev_priv);
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 2031986..09f2744 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -3731,9 +3731,16 @@
}
- /* Read the eDP Display control capabilities registers */
- if ((intel_dp->dpcd[DP_EDP_CONFIGURATION_CAP] & DP_DPCD_DISPLAY_CONTROL_CAPABLE) &&
- drm_dp_dpcd_read(&intel_dp->aux, DP_EDP_DPCD_REV,
+ /*
+ * Read the eDP display control registers.
+ *
+ * Do this independent of DP_DPCD_DISPLAY_CONTROL_CAPABLE bit in
+ * DP_EDP_CONFIGURATION_CAP, because some buggy displays do not have it
+ * set, but require eDP 1.4+ detection (e.g. for supported link rates
+ * method). The display control registers should read zero if they're
+ * not supported anyway.
+ */
+ if (drm_dp_dpcd_read(&intel_dp->aux, DP_EDP_DPCD_REV,
intel_dp->edp_dpcd, sizeof(intel_dp->edp_dpcd)) ==
sizeof(intel_dp->edp_dpcd))
DRM_DEBUG_KMS("EDP DPCD : %*ph\n", (int) sizeof(intel_dp->edp_dpcd),
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index fa47285..79fbaf7 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -496,7 +496,6 @@
struct intel_pipe_wm {
struct intel_wm_level wm[5];
- struct intel_wm_level raw_wm[5];
uint32_t linetime;
bool fbc_wm_enabled;
bool pipe_enabled;
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 0a09f8f..cb95075 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -2716,9 +2716,9 @@
const struct intel_crtc *intel_crtc,
int level,
struct intel_crtc_state *cstate,
- struct intel_plane_state *pristate,
- struct intel_plane_state *sprstate,
- struct intel_plane_state *curstate,
+ const struct intel_plane_state *pristate,
+ const struct intel_plane_state *sprstate,
+ const struct intel_plane_state *curstate,
struct intel_wm_level *result)
{
uint16_t pri_latency = dev_priv->wm.pri_latency[level];
@@ -3038,28 +3038,24 @@
struct intel_pipe_wm *pipe_wm;
struct drm_device *dev = state->dev;
const struct drm_i915_private *dev_priv = to_i915(dev);
- struct intel_plane *intel_plane;
- struct intel_plane_state *pristate = NULL;
- struct intel_plane_state *sprstate = NULL;
- struct intel_plane_state *curstate = NULL;
+ struct drm_plane *plane;
+ const struct drm_plane_state *plane_state;
+ const struct intel_plane_state *pristate = NULL;
+ const struct intel_plane_state *sprstate = NULL;
+ const struct intel_plane_state *curstate = NULL;
int level, max_level = ilk_wm_max_level(dev_priv), usable_level;
struct ilk_wm_maximums max;
pipe_wm = &cstate->wm.ilk.optimal;
- for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) {
- struct intel_plane_state *ps;
+ drm_atomic_crtc_state_for_each_plane_state(plane, plane_state, &cstate->base) {
+ const struct intel_plane_state *ps = to_intel_plane_state(plane_state);
- ps = intel_atomic_get_existing_plane_state(state,
- intel_plane);
- if (!ps)
- continue;
-
- if (intel_plane->base.type == DRM_PLANE_TYPE_PRIMARY)
+ if (plane->type == DRM_PLANE_TYPE_PRIMARY)
pristate = ps;
- else if (intel_plane->base.type == DRM_PLANE_TYPE_OVERLAY)
+ else if (plane->type == DRM_PLANE_TYPE_OVERLAY)
sprstate = ps;
- else if (intel_plane->base.type == DRM_PLANE_TYPE_CURSOR)
+ else if (plane->type == DRM_PLANE_TYPE_CURSOR)
curstate = ps;
}
@@ -3081,11 +3077,9 @@
if (pipe_wm->sprites_scaled)
usable_level = 0;
- ilk_compute_wm_level(dev_priv, intel_crtc, 0, cstate,
- pristate, sprstate, curstate, &pipe_wm->raw_wm[0]);
-
memset(&pipe_wm->wm, 0, sizeof(pipe_wm->wm));
- pipe_wm->wm[0] = pipe_wm->raw_wm[0];
+ ilk_compute_wm_level(dev_priv, intel_crtc, 0, cstate,
+ pristate, sprstate, curstate, &pipe_wm->wm[0]);
if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv))
pipe_wm->linetime = hsw_compute_linetime_wm(cstate);
@@ -3095,8 +3089,8 @@
ilk_compute_wm_reg_maximums(dev_priv, 1, &max);
- for (level = 1; level <= max_level; level++) {
- struct intel_wm_level *wm = &pipe_wm->raw_wm[level];
+ for (level = 1; level <= usable_level; level++) {
+ struct intel_wm_level *wm = &pipe_wm->wm[level];
ilk_compute_wm_level(dev_priv, intel_crtc, level, cstate,
pristate, sprstate, curstate, wm);
@@ -3106,13 +3100,10 @@
* register maximums since such watermarks are
* always invalid.
*/
- if (level > usable_level)
- continue;
-
- if (ilk_validate_wm_level(level, &max, wm))
- pipe_wm->wm[level] = *wm;
- else
- usable_level = level;
+ if (!ilk_validate_wm_level(level, &max, wm)) {
+ memset(wm, 0, sizeof(*wm));
+ break;
+ }
}
return 0;
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
index e4751f9..fb47d46 100644
--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -4099,7 +4099,7 @@
{
struct nouveau_drm *drm = nouveau_drm(dev);
struct nv50_disp *disp = nv50_disp(dev);
- struct drm_plane_state *old_plane_state;
+ struct drm_plane_state *new_plane_state;
struct drm_plane *plane;
struct drm_crtc *crtc;
bool active = false;
@@ -4129,8 +4129,8 @@
if (ret)
goto err_cleanup;
- for_each_old_plane_in_state(state, plane, old_plane_state, i) {
- struct nv50_wndw_atom *asyw = nv50_wndw_atom(old_plane_state);
+ for_each_new_plane_in_state(state, plane, new_plane_state, i) {
+ struct nv50_wndw_atom *asyw = nv50_wndw_atom(new_plane_state);
struct nv50_wndw *wndw = nv50_wndw(plane);
if (asyw->set.image) {
diff --git a/drivers/input/sparse-keymap.c b/drivers/input/sparse-keymap.c
index bb0349f..fd03e55 100644
--- a/drivers/input/sparse-keymap.c
+++ b/drivers/input/sparse-keymap.c
@@ -255,6 +255,7 @@
case KE_VSW:
input_report_switch(dev, ke->sw.code, value);
+ input_sync(dev);
break;
}
}
diff --git a/drivers/input/touchscreen/ar1021_i2c.c b/drivers/input/touchscreen/ar1021_i2c.c
index f9dcbd6..b35b640 100644
--- a/drivers/input/touchscreen/ar1021_i2c.c
+++ b/drivers/input/touchscreen/ar1021_i2c.c
@@ -117,6 +117,7 @@
input->open = ar1021_i2c_open;
input->close = ar1021_i2c_close;
+ __set_bit(INPUT_PROP_DIRECT, input->propbit);
input_set_capability(input, EV_KEY, BTN_TOUCH);
input_set_abs_params(input, ABS_X, 0, AR1021_MAX_X, 0, 0);
input_set_abs_params(input, ABS_Y, 0, AR1021_MAX_Y, 0, 0);
diff --git a/drivers/irqchip/irq-mvebu-gicp.c b/drivers/irqchip/irq-mvebu-gicp.c
index b283fc9..17a4a7b 100644
--- a/drivers/irqchip/irq-mvebu-gicp.c
+++ b/drivers/irqchip/irq-mvebu-gicp.c
@@ -194,6 +194,7 @@
return -ENOMEM;
gicp->dev = &pdev->dev;
+ spin_lock_init(&gicp->spi_lock);
gicp->res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!gicp->res)
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 860313b..4f28067 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -401,16 +401,37 @@
static inline void dw_mci_set_cto(struct dw_mci *host)
{
unsigned int cto_clks;
+ unsigned int cto_div;
unsigned int cto_ms;
+ unsigned long irqflags;
cto_clks = mci_readl(host, TMOUT) & 0xff;
- cto_ms = DIV_ROUND_UP(cto_clks, host->bus_hz / 1000);
+ cto_div = (mci_readl(host, CLKDIV) & 0xff) * 2;
+ if (cto_div == 0)
+ cto_div = 1;
+ cto_ms = DIV_ROUND_UP(MSEC_PER_SEC * cto_clks * cto_div, host->bus_hz);
/* add a bit spare time */
cto_ms += 10;
- mod_timer(&host->cto_timer,
- jiffies + msecs_to_jiffies(cto_ms) + 1);
+ /*
+ * The durations we're working with are fairly short so we have to be
+ * extra careful about synchronization here. Specifically in hardware a
+ * command timeout is _at most_ 5.1 ms, so that means we expect an
+ * interrupt (either command done or timeout) to come rather quickly
+ * after the mci_writel. ...but just in case we have a long interrupt
+ * latency let's add a bit of paranoia.
+ *
+ * In general we'll assume that at least an interrupt will be asserted
+ * in hardware by the time the cto_timer runs. ...and if it hasn't
+ * been asserted in hardware by that time then we'll assume it'll never
+ * come.
+ */
+ spin_lock_irqsave(&host->irq_lock, irqflags);
+ if (!test_bit(EVENT_CMD_COMPLETE, &host->pending_events))
+ mod_timer(&host->cto_timer,
+ jiffies + msecs_to_jiffies(cto_ms) + 1);
+ spin_unlock_irqrestore(&host->irq_lock, irqflags);
}
static void dw_mci_start_command(struct dw_mci *host,
@@ -425,11 +446,11 @@
wmb(); /* drain writebuffer */
dw_mci_wait_while_busy(host, cmd_flags);
+ mci_writel(host, CMD, cmd_flags | SDMMC_CMD_START);
+
/* response expected command only */
if (cmd_flags & SDMMC_CMD_RESP_EXP)
dw_mci_set_cto(host);
-
- mci_writel(host, CMD, cmd_flags | SDMMC_CMD_START);
}
static inline void send_stop_abort(struct dw_mci *host, struct mmc_data *data)
@@ -1915,10 +1936,15 @@
static void dw_mci_set_drto(struct dw_mci *host)
{
unsigned int drto_clks;
+ unsigned int drto_div;
unsigned int drto_ms;
drto_clks = mci_readl(host, TMOUT) >> 8;
- drto_ms = DIV_ROUND_UP(drto_clks, host->bus_hz / 1000);
+ drto_div = (mci_readl(host, CLKDIV) & 0xff) * 2;
+ if (drto_div == 0)
+ drto_div = 1;
+ drto_ms = DIV_ROUND_UP(MSEC_PER_SEC * drto_clks * drto_div,
+ host->bus_hz);
/* add a bit spare time */
drto_ms += 10;
@@ -1926,6 +1952,24 @@
mod_timer(&host->dto_timer, jiffies + msecs_to_jiffies(drto_ms));
}
+static bool dw_mci_clear_pending_cmd_complete(struct dw_mci *host)
+{
+ if (!test_bit(EVENT_CMD_COMPLETE, &host->pending_events))
+ return false;
+
+ /*
+ * Really be certain that the timer has stopped. This is a bit of
+ * paranoia and could only really happen if we had really bad
+ * interrupt latency and the interrupt routine and timeout were
+ * running concurrently so that the del_timer() in the interrupt
+ * handler couldn't run.
+ */
+ WARN_ON(del_timer_sync(&host->cto_timer));
+ clear_bit(EVENT_CMD_COMPLETE, &host->pending_events);
+
+ return true;
+}
+
static void dw_mci_tasklet_func(unsigned long priv)
{
struct dw_mci *host = (struct dw_mci *)priv;
@@ -1952,8 +1996,7 @@
case STATE_SENDING_CMD11:
case STATE_SENDING_CMD:
- if (!test_and_clear_bit(EVENT_CMD_COMPLETE,
- &host->pending_events))
+ if (!dw_mci_clear_pending_cmd_complete(host))
break;
cmd = host->cmd;
@@ -2122,8 +2165,7 @@
/* fall through */
case STATE_SENDING_STOP:
- if (!test_and_clear_bit(EVENT_CMD_COMPLETE,
- &host->pending_events))
+ if (!dw_mci_clear_pending_cmd_complete(host))
break;
/* CMD error in data command */
@@ -2570,6 +2612,8 @@
static void dw_mci_cmd_interrupt(struct dw_mci *host, u32 status)
{
+ del_timer(&host->cto_timer);
+
if (!host->cmd_status)
host->cmd_status = status;
@@ -2594,6 +2638,7 @@
struct dw_mci *host = dev_id;
u32 pending;
struct dw_mci_slot *slot = host->slot;
+ unsigned long irqflags;
pending = mci_readl(host, MINTSTS); /* read-only mask reg */
@@ -2601,8 +2646,6 @@
/* Check volt switch first, since it can look like an error */
if ((host->state == STATE_SENDING_CMD11) &&
(pending & SDMMC_INT_VOLT_SWITCH)) {
- unsigned long irqflags;
-
mci_writel(host, RINTSTS, SDMMC_INT_VOLT_SWITCH);
pending &= ~SDMMC_INT_VOLT_SWITCH;
@@ -2618,11 +2661,15 @@
}
if (pending & DW_MCI_CMD_ERROR_FLAGS) {
+ spin_lock_irqsave(&host->irq_lock, irqflags);
+
del_timer(&host->cto_timer);
mci_writel(host, RINTSTS, DW_MCI_CMD_ERROR_FLAGS);
host->cmd_status = pending;
smp_wmb(); /* drain writebuffer */
set_bit(EVENT_CMD_COMPLETE, &host->pending_events);
+
+ spin_unlock_irqrestore(&host->irq_lock, irqflags);
}
if (pending & DW_MCI_DATA_ERROR_FLAGS) {
@@ -2662,9 +2709,12 @@
}
if (pending & SDMMC_INT_CMD_DONE) {
- del_timer(&host->cto_timer);
+ spin_lock_irqsave(&host->irq_lock, irqflags);
+
mci_writel(host, RINTSTS, SDMMC_INT_CMD_DONE);
dw_mci_cmd_interrupt(host, pending);
+
+ spin_unlock_irqrestore(&host->irq_lock, irqflags);
}
if (pending & SDMMC_INT_CD) {
@@ -2938,7 +2988,35 @@
static void dw_mci_cto_timer(unsigned long arg)
{
struct dw_mci *host = (struct dw_mci *)arg;
+ unsigned long irqflags;
+ u32 pending;
+ spin_lock_irqsave(&host->irq_lock, irqflags);
+
+ /*
+ * If somehow we have very bad interrupt latency it's remotely possible
+ * that the timer could fire while the interrupt is still pending or
+ * while the interrupt is midway through running. Let's be paranoid
+ * and detect those two cases. Note that this is paranoia is somewhat
+ * justified because in this function we don't actually cancel the
+ * pending command in the controller--we just assume it will never come.
+ */
+ pending = mci_readl(host, MINTSTS); /* read-only mask reg */
+ if (pending & (DW_MCI_CMD_ERROR_FLAGS | SDMMC_INT_CMD_DONE)) {
+ /* The interrupt should fire; no need to act but we can warn */
+ dev_warn(host->dev, "Unexpected interrupt latency\n");
+ goto exit;
+ }
+ if (test_bit(EVENT_CMD_COMPLETE, &host->pending_events)) {
+ /* Presumably interrupt handler couldn't delete the timer */
+ dev_warn(host->dev, "CTO timeout when already completed\n");
+ goto exit;
+ }
+
+ /*
+ * Continued paranoia to make sure we're in the state we expect.
+ * This paranoia isn't really justified but it seems good to be safe.
+ */
switch (host->state) {
case STATE_SENDING_CMD11:
case STATE_SENDING_CMD:
@@ -2957,6 +3035,9 @@
host->state);
break;
}
+
+exit:
+ spin_unlock_irqrestore(&host->irq_lock, irqflags);
}
static void dw_mci_dto_timer(unsigned long arg)
diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c
index 83eec9a..eb441e5 100644
--- a/drivers/net/ethernet/broadcom/bcmsysport.c
+++ b/drivers/net/ethernet/broadcom/bcmsysport.c
@@ -1809,15 +1809,17 @@
static inline void gib_set_pad_extension(struct bcm_sysport_priv *priv)
{
- u32 __maybe_unused reg;
+ u32 reg;
- /* Include Broadcom tag in pad extension */
+ reg = gib_readl(priv, GIB_CONTROL);
+ /* Include Broadcom tag in pad extension and fix up IPG_LENGTH */
if (netdev_uses_dsa(priv->netdev)) {
- reg = gib_readl(priv, GIB_CONTROL);
reg &= ~(GIB_PAD_EXTENSION_MASK << GIB_PAD_EXTENSION_SHIFT);
reg |= ENET_BRCM_TAG_LEN << GIB_PAD_EXTENSION_SHIFT;
- gib_writel(priv, reg, GIB_CONTROL);
}
+ reg &= ~(GIB_IPG_LEN_MASK << GIB_IPG_LEN_SHIFT);
+ reg |= 12 << GIB_IPG_LEN_SHIFT;
+ gib_writel(priv, reg, GIB_CONTROL);
}
static int bcm_sysport_open(struct net_device *dev)
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index 6383695..195eb7e 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -168,8 +168,8 @@
}
/* Processing RX queues common config */
- if (of_property_read_u8(rx_node, "snps,rx-queues-to-use",
- &plat->rx_queues_to_use))
+ if (of_property_read_u32(rx_node, "snps,rx-queues-to-use",
+ &plat->rx_queues_to_use))
plat->rx_queues_to_use = 1;
if (of_property_read_bool(rx_node, "snps,rx-sched-sp"))
@@ -191,8 +191,8 @@
else
plat->rx_queues_cfg[queue].mode_to_use = MTL_QUEUE_DCB;
- if (of_property_read_u8(q_node, "snps,map-to-dma-channel",
- &plat->rx_queues_cfg[queue].chan))
+ if (of_property_read_u32(q_node, "snps,map-to-dma-channel",
+ &plat->rx_queues_cfg[queue].chan))
plat->rx_queues_cfg[queue].chan = queue;
/* TODO: Dynamic mapping to be included in the future */
@@ -222,8 +222,8 @@
}
/* Processing TX queues common config */
- if (of_property_read_u8(tx_node, "snps,tx-queues-to-use",
- &plat->tx_queues_to_use))
+ if (of_property_read_u32(tx_node, "snps,tx-queues-to-use",
+ &plat->tx_queues_to_use))
plat->tx_queues_to_use = 1;
if (of_property_read_bool(tx_node, "snps,tx-sched-wrr"))
@@ -244,8 +244,8 @@
if (queue >= plat->tx_queues_to_use)
break;
- if (of_property_read_u8(q_node, "snps,weight",
- &plat->tx_queues_cfg[queue].weight))
+ if (of_property_read_u32(q_node, "snps,weight",
+ &plat->tx_queues_cfg[queue].weight))
plat->tx_queues_cfg[queue].weight = 0x10 + queue;
if (of_property_read_bool(q_node, "snps,dcb-algorithm")) {
diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c
index 9b243e6..7dc3bca 100644
--- a/drivers/net/vrf.c
+++ b/drivers/net/vrf.c
@@ -1165,7 +1165,7 @@
frh->family = family;
frh->action = FR_ACT_TO_TBL;
- if (nla_put_u32(skb, FRA_L3MDEV, 1))
+ if (nla_put_u8(skb, FRA_L3MDEV, 1))
goto nla_put_failure;
if (nla_put_u32(skb, FRA_PRIORITY, FIB_RULE_PREF))
diff --git a/drivers/power/reset/piix4-poweroff.c b/drivers/power/reset/piix4-poweroff.c
index bacfc95..20ce3ff 100644
--- a/drivers/power/reset/piix4-poweroff.c
+++ b/drivers/power/reset/piix4-poweroff.c
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2016 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@@ -109,5 +109,5 @@
};
module_pci_driver(piix4_poweroff_driver);
-MODULE_AUTHOR("Paul Burton <paul.burton@imgtec.com>");
+MODULE_AUTHOR("Paul Burton <paul.burton@mips.com>");
MODULE_LICENSE("GPL");
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 3bd956d..dce42a4 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -3212,6 +3212,7 @@
ql_log(ql_log_fatal, base_vha, 0x00ed,
"Failed to start DPC thread.\n");
ret = PTR_ERR(ha->dpc_thread);
+ ha->dpc_thread = NULL;
goto probe_failed;
}
ql_dbg(ql_dbg_init, base_vha, 0x00ee,
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 59073e9..ed113ea 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -842,9 +842,12 @@
struct page *page)
{
struct inode *inode = mapping->host;
+ pgoff_t index = page->index;
remove_huge_page(page);
- hugetlb_fix_reserve_counts(inode);
+ if (unlikely(hugetlb_unreserve_pages(inode, index, index + 1, 1)))
+ hugetlb_fix_reserve_counts(inode);
+
return 0;
}
diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index a177eae..addd7c5 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -7304,13 +7304,24 @@
static int ocfs2_trim_extent(struct super_block *sb,
struct ocfs2_group_desc *gd,
- u32 start, u32 count)
+ u64 group, u32 start, u32 count)
{
u64 discard, bcount;
+ struct ocfs2_super *osb = OCFS2_SB(sb);
bcount = ocfs2_clusters_to_blocks(sb, count);
- discard = le64_to_cpu(gd->bg_blkno) +
- ocfs2_clusters_to_blocks(sb, start);
+ discard = ocfs2_clusters_to_blocks(sb, start);
+
+ /*
+ * For the first cluster group, the gd->bg_blkno is not at the start
+ * of the group, but at an offset from the start. If we add it while
+ * calculating discard for first group, we will wrongly start fstrim a
+ * few blocks after the desried start block and the range can cross
+ * over into the next cluster group. So, add it only if this is not
+ * the first cluster group.
+ */
+ if (group != osb->first_cluster_group_blkno)
+ discard += le64_to_cpu(gd->bg_blkno);
trace_ocfs2_trim_extent(sb, (unsigned long long)discard, bcount);
@@ -7318,7 +7329,7 @@
}
static int ocfs2_trim_group(struct super_block *sb,
- struct ocfs2_group_desc *gd,
+ struct ocfs2_group_desc *gd, u64 group,
u32 start, u32 max, u32 minbits)
{
int ret = 0, count = 0, next;
@@ -7337,7 +7348,7 @@
next = ocfs2_find_next_bit(bitmap, max, start);
if ((next - start) >= minbits) {
- ret = ocfs2_trim_extent(sb, gd,
+ ret = ocfs2_trim_extent(sb, gd, group,
start, next - start);
if (ret < 0) {
mlog_errno(ret);
@@ -7435,7 +7446,8 @@
}
gd = (struct ocfs2_group_desc *)gd_bh->b_data;
- cnt = ocfs2_trim_group(sb, gd, first_bit, last_bit, minlen);
+ cnt = ocfs2_trim_group(sb, gd, group,
+ first_bit, last_bit, minlen);
brelse(gd_bh);
gd_bh = NULL;
if (cnt < 0) {
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 280282b..6744bd7 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -1311,13 +1311,15 @@
pmd_t pmd = *pmdp;
struct page *page = NULL;
- if ((vma->vm_flags & VM_SOFTDIRTY) || pmd_soft_dirty(pmd))
+ if (vma->vm_flags & VM_SOFTDIRTY)
flags |= PM_SOFT_DIRTY;
if (pmd_present(pmd)) {
page = pmd_page(pmd);
flags |= PM_PRESENT;
+ if (pmd_soft_dirty(pmd))
+ flags |= PM_SOFT_DIRTY;
if (pm->show_pfn)
frame = pmd_pfn(pmd) +
((addr & ~PMD_MASK) >> PAGE_SHIFT);
@@ -1329,6 +1331,8 @@
frame = swp_type(entry) |
(swp_offset(entry) << MAX_SWAPFILES_SHIFT);
flags |= PM_SWAP;
+ if (pmd_swp_soft_dirty(pmd))
+ flags |= PM_SOFT_DIRTY;
VM_BUG_ON(!is_pmd_migration_entry(pmd));
page = migration_entry_to_page(entry);
}
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index fd8697a..2027104 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -191,13 +191,13 @@
asm("%c0:\n\t" \
".pushsection .discard.reachable\n\t" \
".long %c0b - .\n\t" \
- ".popsection\n\t" : : "i" (__LINE__)); \
+ ".popsection\n\t" : : "i" (__COUNTER__)); \
})
#define annotate_unreachable() ({ \
asm("%c0:\n\t" \
".pushsection .discard.unreachable\n\t" \
".long %c0b - .\n\t" \
- ".popsection\n\t" : : "i" (__LINE__)); \
+ ".popsection\n\t" : : "i" (__COUNTER__)); \
})
#define ASM_UNREACHABLE \
"999:\n\t" \
diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h
index 108739f..32feac5 100644
--- a/include/linux/stmmac.h
+++ b/include/linux/stmmac.h
@@ -126,14 +126,14 @@
struct stmmac_rxq_cfg {
u8 mode_to_use;
- u8 chan;
+ u32 chan;
u8 pkt_route;
bool use_prio;
u32 prio;
};
struct stmmac_txq_cfg {
- u8 weight;
+ u32 weight;
u8 mode_to_use;
/* Credit Base Shaper parameters */
u32 send_slope;
@@ -168,8 +168,8 @@
int unicast_filter_entries;
int tx_fifo_size;
int rx_fifo_size;
- u8 rx_queues_to_use;
- u8 tx_queues_to_use;
+ u32 rx_queues_to_use;
+ u32 tx_queues_to_use;
u8 rx_sched_algorithm;
u8 tx_sched_algorithm;
struct stmmac_rxq_cfg rx_queues_cfg[MTL_MAX_RX_QUEUES];
diff --git a/include/linux/swap.h b/include/linux/swap.h
index b489bd7..f02fb5d 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -266,6 +266,10 @@
* both locks need hold, hold swap_lock
* first.
*/
+ spinlock_t cont_lock; /*
+ * protect swap count continuation page
+ * list.
+ */
struct work_struct discard_work; /* discard worker */
struct swap_cluster_list discard_clusters; /* discard clusters list */
};
diff --git a/include/net/act_api.h b/include/net/act_api.h
index 97a908ac..1e6df0e 100644
--- a/include/net/act_api.h
+++ b/include/net/act_api.h
@@ -14,6 +14,7 @@
struct tcf_idrinfo {
spinlock_t lock;
struct idr action_idr;
+ struct net *net;
};
struct tc_action_ops;
@@ -105,7 +106,7 @@
static inline
int tc_action_net_init(struct tc_action_net *tn,
- const struct tc_action_ops *ops)
+ const struct tc_action_ops *ops, struct net *net)
{
int err = 0;
@@ -113,6 +114,7 @@
if (!tn->idrinfo)
return -ENOMEM;
tn->ops = ops;
+ tn->idrinfo->net = net;
spin_lock_init(&tn->idrinfo->lock);
idr_init(&tn->idrinfo->action_idr);
return err;
@@ -123,7 +125,9 @@
static inline void tc_action_net_exit(struct tc_action_net *tn)
{
+ rtnl_lock();
tcf_idrinfo_destroy(tn->ops, tn->idrinfo);
+ rtnl_unlock();
kfree(tn->idrinfo);
}
diff --git a/kernel/futex.c b/kernel/futex.c
index 0d638f0..76ed592 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -903,11 +903,27 @@
*/
raw_spin_lock_irq(&curr->pi_lock);
while (!list_empty(head)) {
-
next = head->next;
pi_state = list_entry(next, struct futex_pi_state, list);
key = pi_state->key;
hb = hash_futex(&key);
+
+ /*
+ * We can race against put_pi_state() removing itself from the
+ * list (a waiter going away). put_pi_state() will first
+ * decrement the reference count and then modify the list, so
+ * its possible to see the list entry but fail this reference
+ * acquire.
+ *
+ * In that case; drop the locks to let put_pi_state() make
+ * progress and retry the loop.
+ */
+ if (!atomic_inc_not_zero(&pi_state->refcount)) {
+ raw_spin_unlock_irq(&curr->pi_lock);
+ cpu_relax();
+ raw_spin_lock_irq(&curr->pi_lock);
+ continue;
+ }
raw_spin_unlock_irq(&curr->pi_lock);
spin_lock(&hb->lock);
@@ -918,8 +934,10 @@
* task still owns the PI-state:
*/
if (head->next != next) {
+ /* retain curr->pi_lock for the loop invariant */
raw_spin_unlock(&pi_state->pi_mutex.wait_lock);
spin_unlock(&hb->lock);
+ put_pi_state(pi_state);
continue;
}
@@ -927,9 +945,8 @@
WARN_ON(list_empty(&pi_state->list));
list_del_init(&pi_state->list);
pi_state->owner = NULL;
- raw_spin_unlock(&curr->pi_lock);
- get_pi_state(pi_state);
+ raw_spin_unlock(&curr->pi_lock);
raw_spin_unlock_irq(&pi_state->pi_mutex.wait_lock);
spin_unlock(&hb->lock);
diff --git a/kernel/watchdog_hld.c b/kernel/watchdog_hld.c
index 4583feb..e449a23 100644
--- a/kernel/watchdog_hld.c
+++ b/kernel/watchdog_hld.c
@@ -13,6 +13,7 @@
#define pr_fmt(fmt) "NMI watchdog: " fmt
#include <linux/nmi.h>
+#include <linux/atomic.h>
#include <linux/module.h>
#include <linux/sched/debug.h>
@@ -22,10 +23,11 @@
static DEFINE_PER_CPU(bool, hard_watchdog_warn);
static DEFINE_PER_CPU(bool, watchdog_nmi_touch);
static DEFINE_PER_CPU(struct perf_event *, watchdog_ev);
+static DEFINE_PER_CPU(struct perf_event *, dead_event);
static struct cpumask dead_events_mask;
static unsigned long hardlockup_allcpu_dumped;
-static unsigned int watchdog_cpus;
+static atomic_t watchdog_cpus = ATOMIC_INIT(0);
void arch_touch_nmi_watchdog(void)
{
@@ -189,7 +191,8 @@
if (hardlockup_detector_event_create())
return;
- if (!watchdog_cpus++)
+ /* use original value for check */
+ if (!atomic_fetch_inc(&watchdog_cpus))
pr_info("Enabled. Permanently consumes one hw-PMU counter.\n");
perf_event_enable(this_cpu_read(watchdog_ev));
@@ -204,8 +207,10 @@
if (event) {
perf_event_disable(event);
+ this_cpu_write(watchdog_ev, NULL);
+ this_cpu_write(dead_event, event);
cpumask_set_cpu(smp_processor_id(), &dead_events_mask);
- watchdog_cpus--;
+ atomic_dec(&watchdog_cpus);
}
}
@@ -219,7 +224,7 @@
int cpu;
for_each_cpu(cpu, &dead_events_mask) {
- struct perf_event *event = per_cpu(watchdog_ev, cpu);
+ struct perf_event *event = per_cpu(dead_event, cpu);
/*
* Required because for_each_cpu() reports unconditionally
@@ -227,7 +232,7 @@
*/
if (event)
perf_event_release_kernel(event);
- per_cpu(watchdog_ev, cpu) = NULL;
+ per_cpu(dead_event, cpu) = NULL;
}
cpumask_clear(&dead_events_mask);
}
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 269b5df..1981ed6 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -941,6 +941,9 @@
pmd = pmd_swp_mksoft_dirty(pmd);
set_pmd_at(src_mm, addr, src_pmd, pmd);
}
+ add_mm_counter(dst_mm, MM_ANONPAGES, HPAGE_PMD_NR);
+ atomic_long_inc(&dst_mm->nr_ptes);
+ pgtable_trans_huge_deposit(dst_mm, dst_pmd, pgtable);
set_pmd_at(dst_mm, addr, dst_pmd, pmd);
ret = 0;
goto out_unlock;
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 424b0ef..2d2ff5e 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -3984,6 +3984,9 @@
unsigned long src_addr,
struct page **pagep)
{
+ struct address_space *mapping;
+ pgoff_t idx;
+ unsigned long size;
int vm_shared = dst_vma->vm_flags & VM_SHARED;
struct hstate *h = hstate_vma(dst_vma);
pte_t _dst_pte;
@@ -4021,13 +4024,24 @@
__SetPageUptodate(page);
set_page_huge_active(page);
+ mapping = dst_vma->vm_file->f_mapping;
+ idx = vma_hugecache_offset(h, dst_vma, dst_addr);
+
/*
* If shared, add to page cache
*/
if (vm_shared) {
- struct address_space *mapping = dst_vma->vm_file->f_mapping;
- pgoff_t idx = vma_hugecache_offset(h, dst_vma, dst_addr);
+ size = i_size_read(mapping->host) >> huge_page_shift(h);
+ ret = -EFAULT;
+ if (idx >= size)
+ goto out_release_nounlock;
+ /*
+ * Serialization between remove_inode_hugepages() and
+ * huge_add_to_page_cache() below happens through the
+ * hugetlb_fault_mutex_table that here must be hold by
+ * the caller.
+ */
ret = huge_add_to_page_cache(page, mapping, idx);
if (ret)
goto out_release_nounlock;
@@ -4036,6 +4050,20 @@
ptl = huge_pte_lockptr(h, dst_mm, dst_pte);
spin_lock(ptl);
+ /*
+ * Recheck the i_size after holding PT lock to make sure not
+ * to leave any page mapped (as page_mapped()) beyond the end
+ * of the i_size (remove_inode_hugepages() is strict about
+ * enforcing that). If we bail out here, we'll also leave a
+ * page in the radix tree in the vm_shared case beyond the end
+ * of the i_size, but remove_inode_hugepages() will take care
+ * of it as soon as we drop the hugetlb_fault_mutex_table.
+ */
+ size = i_size_read(mapping->host) >> huge_page_shift(h);
+ ret = -EFAULT;
+ if (idx >= size)
+ goto out_release_unlock;
+
ret = -EEXIST;
if (!huge_pte_none(huge_ptep_get(dst_pte)))
goto out_release_unlock;
diff --git a/mm/swapfile.c b/mm/swapfile.c
index bf91dc9..e47a21e 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -2869,6 +2869,7 @@
p->flags = SWP_USED;
spin_unlock(&swap_lock);
spin_lock_init(&p->lock);
+ spin_lock_init(&p->cont_lock);
return p;
}
@@ -3545,6 +3546,7 @@
head = vmalloc_to_page(si->swap_map + offset);
offset &= ~PAGE_MASK;
+ spin_lock(&si->cont_lock);
/*
* Page allocation does not initialize the page's lru field,
* but it does always reset its private field.
@@ -3564,7 +3566,7 @@
* a continuation page, free our allocation and use this one.
*/
if (!(count & COUNT_CONTINUED))
- goto out;
+ goto out_unlock_cont;
map = kmap_atomic(list_page) + offset;
count = *map;
@@ -3575,11 +3577,13 @@
* free our allocation and use this one.
*/
if ((count & ~COUNT_CONTINUED) != SWAP_CONT_MAX)
- goto out;
+ goto out_unlock_cont;
}
list_add_tail(&page->lru, &head->lru);
page = NULL; /* now it's attached, don't free it */
+out_unlock_cont:
+ spin_unlock(&si->cont_lock);
out:
unlock_cluster(ci);
spin_unlock(&si->lock);
@@ -3604,6 +3608,7 @@
struct page *head;
struct page *page;
unsigned char *map;
+ bool ret;
head = vmalloc_to_page(si->swap_map + offset);
if (page_private(head) != SWP_CONTINUED) {
@@ -3611,6 +3616,7 @@
return false; /* need to add count continuation */
}
+ spin_lock(&si->cont_lock);
offset &= ~PAGE_MASK;
page = list_entry(head->lru.next, struct page, lru);
map = kmap_atomic(page) + offset;
@@ -3631,8 +3637,10 @@
if (*map == SWAP_CONT_MAX) {
kunmap_atomic(map);
page = list_entry(page->lru.next, struct page, lru);
- if (page == head)
- return false; /* add count continuation */
+ if (page == head) {
+ ret = false; /* add count continuation */
+ goto out;
+ }
map = kmap_atomic(page) + offset;
init_map: *map = 0; /* we didn't zero the page */
}
@@ -3645,7 +3653,7 @@
kunmap_atomic(map);
page = list_entry(page->lru.prev, struct page, lru);
}
- return true; /* incremented */
+ ret = true; /* incremented */
} else { /* decrementing */
/*
@@ -3671,8 +3679,11 @@
kunmap_atomic(map);
page = list_entry(page->lru.prev, struct page, lru);
}
- return count == COUNT_CONTINUED;
+ ret = count == COUNT_CONTINUED;
}
+out:
+ spin_unlock(&si->cont_lock);
+ return ret;
}
/*
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 57a5d48..01ed221 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -1365,8 +1365,6 @@
nla_put_in_addr(skb, RTA_PREFSRC, fi->fib_prefsrc))
goto nla_put_failure;
if (fi->fib_nhs == 1) {
- struct in_device *in_dev;
-
if (fi->fib_nh->nh_gw &&
nla_put_in_addr(skb, RTA_GATEWAY, fi->fib_nh->nh_gw))
goto nla_put_failure;
@@ -1374,10 +1372,14 @@
nla_put_u32(skb, RTA_OIF, fi->fib_nh->nh_oif))
goto nla_put_failure;
if (fi->fib_nh->nh_flags & RTNH_F_LINKDOWN) {
- in_dev = __in_dev_get_rtnl(fi->fib_nh->nh_dev);
+ struct in_device *in_dev;
+
+ rcu_read_lock();
+ in_dev = __in_dev_get_rcu(fi->fib_nh->nh_dev);
if (in_dev &&
IN_DEV_IGNORE_ROUTES_WITH_LINKDOWN(in_dev))
rtm->rtm_flags |= RTNH_F_DEAD;
+ rcu_read_unlock();
}
if (fi->fib_nh->nh_flags & RTNH_F_OFFLOAD)
rtm->rtm_flags |= RTNH_F_OFFLOAD;
@@ -1400,18 +1402,20 @@
goto nla_put_failure;
for_nexthops(fi) {
- struct in_device *in_dev;
-
rtnh = nla_reserve_nohdr(skb, sizeof(*rtnh));
if (!rtnh)
goto nla_put_failure;
rtnh->rtnh_flags = nh->nh_flags & 0xFF;
if (nh->nh_flags & RTNH_F_LINKDOWN) {
- in_dev = __in_dev_get_rtnl(nh->nh_dev);
+ struct in_device *in_dev;
+
+ rcu_read_lock();
+ in_dev = __in_dev_get_rcu(nh->nh_dev);
if (in_dev &&
IN_DEV_IGNORE_ROUTES_WITH_LINKDOWN(in_dev))
rtnh->rtnh_flags |= RTNH_F_DEAD;
+ rcu_read_unlock();
}
rtnh->rtnh_hops = nh->nh_weight - 1;
rtnh->rtnh_ifindex = nh->nh_oif;
diff --git a/net/ipv4/netfilter/nf_reject_ipv4.c b/net/ipv4/netfilter/nf_reject_ipv4.c
index eeacbda..5cd06ba 100644
--- a/net/ipv4/netfilter/nf_reject_ipv4.c
+++ b/net/ipv4/netfilter/nf_reject_ipv4.c
@@ -132,6 +132,8 @@
if (ip_route_me_harder(net, nskb, RTN_UNSPEC))
goto free_nskb;
+ niph = ip_hdr(nskb);
+
/* "Never happens" */
if (nskb->len > dst_mtu(skb_dst(nskb)))
goto free_nskb;
diff --git a/net/ipv4/tcp_nv.c b/net/ipv4/tcp_nv.c
index 1ff7398..125fc14 100644
--- a/net/ipv4/tcp_nv.c
+++ b/net/ipv4/tcp_nv.c
@@ -252,7 +252,7 @@
/* rate in 100's bits per second */
rate64 = ((u64)sample->in_flight) * 8000000;
- rate = (u32)div64_u64(rate64, (u64)(avg_rtt * 100));
+ rate = (u32)div64_u64(rate64, (u64)(avg_rtt ?: 1) * 100);
/* Remember the maximum rate seen during this RTT
* Note: It may be more than one RTT. This function should be
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 823003e..478909f 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -3180,13 +3180,8 @@
th->source = htons(ireq->ir_num);
th->dest = ireq->ir_rmt_port;
skb->mark = ireq->ir_mark;
- /* Setting of flags are superfluous here for callers (and ECE is
- * not even correctly set)
- */
- tcp_init_nondata_skb(skb, tcp_rsk(req)->snt_isn,
- TCPHDR_SYN | TCPHDR_ACK);
-
- th->seq = htonl(TCP_SKB_CB(skb)->seq);
+ skb->ip_summed = CHECKSUM_PARTIAL;
+ th->seq = htonl(tcp_rsk(req)->snt_isn);
/* XXX data is queued and acked as is. No buffer/window check */
th->ack_seq = htonl(tcp_rsk(req)->rcv_nxt);
diff --git a/net/netfilter/nft_set_hash.c b/net/netfilter/nft_set_hash.c
index 0fa01d7..9c0d5a7 100644
--- a/net/netfilter/nft_set_hash.c
+++ b/net/netfilter/nft_set_hash.c
@@ -643,7 +643,6 @@
{
if (desc->size) {
switch (desc->klen) {
- case 2:
case 4:
return &nft_hash_fast_ops;
default:
diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index da6fa82..ca2ff0b 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -78,6 +78,7 @@
spin_lock_bh(&idrinfo->lock);
idr_remove_ext(&idrinfo->action_idr, p->tcfa_index);
spin_unlock_bh(&idrinfo->lock);
+ put_net(idrinfo->net);
gen_kill_estimator(&p->tcfa_rate_est);
free_tcf(p);
}
@@ -86,6 +87,8 @@
{
int ret = 0;
+ ASSERT_RTNL();
+
if (p) {
if (bind)
p->tcfa_bindcnt--;
@@ -334,6 +337,7 @@
p->idrinfo = idrinfo;
p->ops = ops;
INIT_LIST_HEAD(&p->list);
+ get_net(idrinfo->net);
*a = p;
return 0;
}
diff --git a/net/sched/act_bpf.c b/net/sched/act_bpf.c
index c0c707e..9bce8cc 100644
--- a/net/sched/act_bpf.c
+++ b/net/sched/act_bpf.c
@@ -398,7 +398,7 @@
{
struct tc_action_net *tn = net_generic(net, bpf_net_id);
- return tc_action_net_init(tn, &act_bpf_ops);
+ return tc_action_net_init(tn, &act_bpf_ops, net);
}
static void __net_exit bpf_exit_net(struct net *net)
diff --git a/net/sched/act_connmark.c b/net/sched/act_connmark.c
index 10b7a88..34e52d0 100644
--- a/net/sched/act_connmark.c
+++ b/net/sched/act_connmark.c
@@ -206,7 +206,7 @@
{
struct tc_action_net *tn = net_generic(net, connmark_net_id);
- return tc_action_net_init(tn, &act_connmark_ops);
+ return tc_action_net_init(tn, &act_connmark_ops, net);
}
static void __net_exit connmark_exit_net(struct net *net)
diff --git a/net/sched/act_csum.c b/net/sched/act_csum.c
index 1c40caa..35171df 100644
--- a/net/sched/act_csum.c
+++ b/net/sched/act_csum.c
@@ -626,7 +626,7 @@
{
struct tc_action_net *tn = net_generic(net, csum_net_id);
- return tc_action_net_init(tn, &act_csum_ops);
+ return tc_action_net_init(tn, &act_csum_ops, net);
}
static void __net_exit csum_exit_net(struct net *net)
diff --git a/net/sched/act_gact.c b/net/sched/act_gact.c
index e29a48e..ef7f7f3 100644
--- a/net/sched/act_gact.c
+++ b/net/sched/act_gact.c
@@ -232,7 +232,7 @@
{
struct tc_action_net *tn = net_generic(net, gact_net_id);
- return tc_action_net_init(tn, &act_gact_ops);
+ return tc_action_net_init(tn, &act_gact_ops, net);
}
static void __net_exit gact_exit_net(struct net *net)
diff --git a/net/sched/act_ife.c b/net/sched/act_ife.c
index 8ccd358..f65e4b5 100644
--- a/net/sched/act_ife.c
+++ b/net/sched/act_ife.c
@@ -818,7 +818,7 @@
{
struct tc_action_net *tn = net_generic(net, ife_net_id);
- return tc_action_net_init(tn, &act_ife_ops);
+ return tc_action_net_init(tn, &act_ife_ops, net);
}
static void __net_exit ife_exit_net(struct net *net)
diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c
index d9e399a..dbdf3b2 100644
--- a/net/sched/act_ipt.c
+++ b/net/sched/act_ipt.c
@@ -334,7 +334,7 @@
{
struct tc_action_net *tn = net_generic(net, ipt_net_id);
- return tc_action_net_init(tn, &act_ipt_ops);
+ return tc_action_net_init(tn, &act_ipt_ops, net);
}
static void __net_exit ipt_exit_net(struct net *net)
@@ -384,7 +384,7 @@
{
struct tc_action_net *tn = net_generic(net, xt_net_id);
- return tc_action_net_init(tn, &act_xt_ops);
+ return tc_action_net_init(tn, &act_xt_ops, net);
}
static void __net_exit xt_exit_net(struct net *net)
diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c
index 416627c..84759cf 100644
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c
@@ -343,7 +343,7 @@
{
struct tc_action_net *tn = net_generic(net, mirred_net_id);
- return tc_action_net_init(tn, &act_mirred_ops);
+ return tc_action_net_init(tn, &act_mirred_ops, net);
}
static void __net_exit mirred_exit_net(struct net *net)
diff --git a/net/sched/act_nat.c b/net/sched/act_nat.c
index c365d01..7eeaaf9 100644
--- a/net/sched/act_nat.c
+++ b/net/sched/act_nat.c
@@ -307,7 +307,7 @@
{
struct tc_action_net *tn = net_generic(net, nat_net_id);
- return tc_action_net_init(tn, &act_nat_ops);
+ return tc_action_net_init(tn, &act_nat_ops, net);
}
static void __net_exit nat_exit_net(struct net *net)
diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c
index 491fe5d..b3d82c3 100644
--- a/net/sched/act_pedit.c
+++ b/net/sched/act_pedit.c
@@ -450,7 +450,7 @@
{
struct tc_action_net *tn = net_generic(net, pedit_net_id);
- return tc_action_net_init(tn, &act_pedit_ops);
+ return tc_action_net_init(tn, &act_pedit_ops, net);
}
static void __net_exit pedit_exit_net(struct net *net)
diff --git a/net/sched/act_police.c b/net/sched/act_police.c
index 3bb2ebf..9ec42b2 100644
--- a/net/sched/act_police.c
+++ b/net/sched/act_police.c
@@ -331,7 +331,7 @@
{
struct tc_action_net *tn = net_generic(net, police_net_id);
- return tc_action_net_init(tn, &act_police_ops);
+ return tc_action_net_init(tn, &act_police_ops, net);
}
static void __net_exit police_exit_net(struct net *net)
diff --git a/net/sched/act_sample.c b/net/sched/act_sample.c
index 8b5abcd..e69a1e3 100644
--- a/net/sched/act_sample.c
+++ b/net/sched/act_sample.c
@@ -240,7 +240,7 @@
{
struct tc_action_net *tn = net_generic(net, sample_net_id);
- return tc_action_net_init(tn, &act_sample_ops);
+ return tc_action_net_init(tn, &act_sample_ops, net);
}
static void __net_exit sample_exit_net(struct net *net)
diff --git a/net/sched/act_simple.c b/net/sched/act_simple.c
index e7b57e5..a8d0ea9 100644
--- a/net/sched/act_simple.c
+++ b/net/sched/act_simple.c
@@ -201,7 +201,7 @@
{
struct tc_action_net *tn = net_generic(net, simp_net_id);
- return tc_action_net_init(tn, &act_simp_ops);
+ return tc_action_net_init(tn, &act_simp_ops, net);
}
static void __net_exit simp_exit_net(struct net *net)
diff --git a/net/sched/act_skbedit.c b/net/sched/act_skbedit.c
index 59949d6..fbac624 100644
--- a/net/sched/act_skbedit.c
+++ b/net/sched/act_skbedit.c
@@ -238,7 +238,7 @@
{
struct tc_action_net *tn = net_generic(net, skbedit_net_id);
- return tc_action_net_init(tn, &act_skbedit_ops);
+ return tc_action_net_init(tn, &act_skbedit_ops, net);
}
static void __net_exit skbedit_exit_net(struct net *net)
diff --git a/net/sched/act_skbmod.c b/net/sched/act_skbmod.c
index b642ad3..8e12d88 100644
--- a/net/sched/act_skbmod.c
+++ b/net/sched/act_skbmod.c
@@ -263,7 +263,7 @@
{
struct tc_action_net *tn = net_generic(net, skbmod_net_id);
- return tc_action_net_init(tn, &act_skbmod_ops);
+ return tc_action_net_init(tn, &act_skbmod_ops, net);
}
static void __net_exit skbmod_exit_net(struct net *net)
diff --git a/net/sched/act_tunnel_key.c b/net/sched/act_tunnel_key.c
index 30c9627..c33faa3 100644
--- a/net/sched/act_tunnel_key.c
+++ b/net/sched/act_tunnel_key.c
@@ -322,7 +322,7 @@
{
struct tc_action_net *tn = net_generic(net, tunnel_key_net_id);
- return tc_action_net_init(tn, &act_tunnel_key_ops);
+ return tc_action_net_init(tn, &act_tunnel_key_ops, net);
}
static void __net_exit tunnel_key_exit_net(struct net *net)
diff --git a/net/sched/act_vlan.c b/net/sched/act_vlan.c
index 16eb067..115fc33 100644
--- a/net/sched/act_vlan.c
+++ b/net/sched/act_vlan.c
@@ -269,7 +269,7 @@
{
struct tc_action_net *tn = net_generic(net, vlan_net_id);
- return tc_action_net_init(tn, &act_vlan_ops);
+ return tc_action_net_init(tn, &act_vlan_ops, net);
}
static void __net_exit vlan_exit_net(struct net *net)
diff --git a/tools/objtool/arch/x86/insn/gen-insn-attr-x86.awk b/tools/objtool/arch/x86/insn/gen-insn-attr-x86.awk
index a3d2c62..b02a36b 100644
--- a/tools/objtool/arch/x86/insn/gen-insn-attr-x86.awk
+++ b/tools/objtool/arch/x86/insn/gen-insn-attr-x86.awk
@@ -1,4 +1,5 @@
#!/bin/awk -f
+# SPDX-License-Identifier: GPL-2.0
# gen-insn-attr-x86.awk: Instruction attribute table generator
# Written by Masami Hiramatsu <mhiramat@redhat.com>
#
diff --git a/usr/Makefile b/usr/Makefile
index 34a9fcd..237a028 100644
--- a/usr/Makefile
+++ b/usr/Makefile
@@ -8,6 +8,7 @@
suffix_y = $(subst $\",,$(CONFIG_INITRAMFS_COMPRESSION))
datafile_y = initramfs_data.cpio$(suffix_y)
+datafile_d_y = .$(datafile_y).d
AFLAGS_initramfs_data.o += -DINITRAMFS_IMAGE="usr/$(datafile_y)"
@@ -30,12 +31,12 @@
$(if $(CONFIG_INITRAMFS_ROOT_UID), -u $(CONFIG_INITRAMFS_ROOT_UID)) \
$(if $(CONFIG_INITRAMFS_ROOT_GID), -g $(CONFIG_INITRAMFS_ROOT_GID))
-# .initramfs_data.cpio.d is used to identify all files included
+# $(datafile_d_y) is used to identify all files included
# in initramfs and to detect if any files are added/removed.
# Removed files are identified by directory timestamp being updated
# The dependency list is generated by gen_initramfs.sh -l
-ifneq ($(wildcard $(obj)/.initramfs_data.cpio.d),)
- include $(obj)/.initramfs_data.cpio.d
+ifneq ($(wildcard $(obj)/$(datafile_d_y)),)
+ include $(obj)/$(datafile_d_y)
endif
quiet_cmd_initfs = GEN $@
@@ -53,5 +54,5 @@
# 3) If gen_init_cpio are newer than initramfs_data.cpio
# 4) arguments to gen_initramfs.sh changes
$(obj)/$(datafile_y): $(obj)/gen_init_cpio $(deps_initramfs) klibcdirs
- $(Q)$(initramfs) -l $(ramfs-input) > $(obj)/.initramfs_data.cpio.d
+ $(Q)$(initramfs) -l $(ramfs-input) > $(obj)/$(datafile_d_y)
$(call if_changed,initfs)
diff --git a/virt/kvm/arm/arm.c b/virt/kvm/arm/arm.c
index b9f68e4..95cba07 100644
--- a/virt/kvm/arm/arm.c
+++ b/virt/kvm/arm/arm.c
@@ -1326,21 +1326,12 @@
{
int cpu;
- if (is_kernel_in_hyp_mode())
- return;
-
free_hyp_pgds();
for_each_possible_cpu(cpu)
free_page(per_cpu(kvm_arm_hyp_stack_page, cpu));
hyp_cpu_pm_exit();
}
-static int init_vhe_mode(void)
-{
- kvm_info("VHE mode initialized successfully\n");
- return 0;
-}
-
/**
* Inits Hyp-mode on all online CPUs
*/
@@ -1421,8 +1412,6 @@
}
}
- kvm_info("Hyp mode initialized successfully\n");
-
return 0;
out_err:
@@ -1456,6 +1445,7 @@
{
int err;
int ret, cpu;
+ bool in_hyp_mode;
if (!is_hyp_mode_available()) {
kvm_err("HYP mode not available\n");
@@ -1474,21 +1464,28 @@
if (err)
return err;
- if (is_kernel_in_hyp_mode())
- err = init_vhe_mode();
- else
+ in_hyp_mode = is_kernel_in_hyp_mode();
+
+ if (!in_hyp_mode) {
err = init_hyp_mode();
- if (err)
- goto out_err;
+ if (err)
+ goto out_err;
+ }
err = init_subsystems();
if (err)
goto out_hyp;
+ if (in_hyp_mode)
+ kvm_info("VHE mode initialized successfully\n");
+ else
+ kvm_info("Hyp mode initialized successfully\n");
+
return 0;
out_hyp:
- teardown_hyp_mode();
+ if (!in_hyp_mode)
+ teardown_hyp_mode();
out_err:
teardown_common_resources();
return err;
diff --git a/virt/kvm/arm/vgic/vgic-its.c b/virt/kvm/arm/vgic/vgic-its.c
index f51c1e1..547f12d 100644
--- a/virt/kvm/arm/vgic/vgic-its.c
+++ b/virt/kvm/arm/vgic/vgic-its.c
@@ -1466,6 +1466,16 @@
{
mutex_lock(&its->cmd_lock);
+ /*
+ * It is UNPREDICTABLE to enable the ITS if any of the CBASER or
+ * device/collection BASER are invalid
+ */
+ if (!its->enabled && (val & GITS_CTLR_ENABLE) &&
+ (!(its->baser_device_table & GITS_BASER_VALID) ||
+ !(its->baser_coll_table & GITS_BASER_VALID) ||
+ !(its->cbaser & GITS_CBASER_VALID)))
+ goto out;
+
its->enabled = !!(val & GITS_CTLR_ENABLE);
/*
@@ -1474,6 +1484,7 @@
*/
vgic_its_process_commands(kvm, its);
+out:
mutex_unlock(&its->cmd_lock);
}
@@ -1801,37 +1812,33 @@
static int scan_its_table(struct vgic_its *its, gpa_t base, int size, int esz,
int start_id, entry_fn_t fn, void *opaque)
{
- void *entry = kzalloc(esz, GFP_KERNEL);
struct kvm *kvm = its->dev->kvm;
unsigned long len = size;
int id = start_id;
gpa_t gpa = base;
+ char entry[esz];
int ret;
+ memset(entry, 0, esz);
+
while (len > 0) {
int next_offset;
size_t byte_offset;
ret = kvm_read_guest(kvm, gpa, entry, esz);
if (ret)
- goto out;
+ return ret;
next_offset = fn(its, id, entry, opaque);
- if (next_offset <= 0) {
- ret = next_offset;
- goto out;
- }
+ if (next_offset <= 0)
+ return next_offset;
byte_offset = next_offset * esz;
id += next_offset;
gpa += byte_offset;
len -= byte_offset;
}
- ret = 1;
-
-out:
- kfree(entry);
- return ret;
+ return 1;
}
/**
@@ -1940,6 +1947,14 @@
return 0;
}
+/**
+ * vgic_its_restore_itt - restore the ITT of a device
+ *
+ * @its: its handle
+ * @dev: device handle
+ *
+ * Return 0 on success, < 0 on error
+ */
static int vgic_its_restore_itt(struct vgic_its *its, struct its_device *dev)
{
const struct vgic_its_abi *abi = vgic_its_get_abi(its);
@@ -1951,6 +1966,10 @@
ret = scan_its_table(its, base, max_size, ite_esz, 0,
vgic_its_restore_ite, dev);
+ /* scan_its_table returns +1 if all ITEs are invalid */
+ if (ret > 0)
+ ret = 0;
+
return ret;
}
@@ -2048,11 +2067,12 @@
static int vgic_its_save_device_tables(struct vgic_its *its)
{
const struct vgic_its_abi *abi = vgic_its_get_abi(its);
+ u64 baser = its->baser_device_table;
struct its_device *dev;
int dte_esz = abi->dte_esz;
- u64 baser;
- baser = its->baser_device_table;
+ if (!(baser & GITS_BASER_VALID))
+ return 0;
list_sort(NULL, &its->device_list, vgic_its_device_cmp);
@@ -2107,10 +2127,7 @@
ret = scan_its_table(its, gpa, SZ_64K, dte_esz,
l2_start_id, vgic_its_restore_dte, NULL);
- if (ret <= 0)
- return ret;
-
- return 1;
+ return ret;
}
/**
@@ -2140,8 +2157,9 @@
vgic_its_restore_dte, NULL);
}
+ /* scan_its_table returns +1 if all entries are invalid */
if (ret > 0)
- ret = -EINVAL;
+ ret = 0;
return ret;
}
@@ -2198,17 +2216,17 @@
static int vgic_its_save_collection_table(struct vgic_its *its)
{
const struct vgic_its_abi *abi = vgic_its_get_abi(its);
+ u64 baser = its->baser_coll_table;
+ gpa_t gpa = BASER_ADDRESS(baser);
struct its_collection *collection;
u64 val;
- gpa_t gpa;
size_t max_size, filled = 0;
int ret, cte_esz = abi->cte_esz;
- gpa = BASER_ADDRESS(its->baser_coll_table);
- if (!gpa)
+ if (!(baser & GITS_BASER_VALID))
return 0;
- max_size = GITS_BASER_NR_PAGES(its->baser_coll_table) * SZ_64K;
+ max_size = GITS_BASER_NR_PAGES(baser) * SZ_64K;
list_for_each_entry(collection, &its->collection_list, coll_list) {
ret = vgic_its_save_cte(its, collection, gpa, cte_esz);
@@ -2239,17 +2257,18 @@
static int vgic_its_restore_collection_table(struct vgic_its *its)
{
const struct vgic_its_abi *abi = vgic_its_get_abi(its);
+ u64 baser = its->baser_coll_table;
int cte_esz = abi->cte_esz;
size_t max_size, read = 0;
gpa_t gpa;
int ret;
- if (!(its->baser_coll_table & GITS_BASER_VALID))
+ if (!(baser & GITS_BASER_VALID))
return 0;
- gpa = BASER_ADDRESS(its->baser_coll_table);
+ gpa = BASER_ADDRESS(baser);
- max_size = GITS_BASER_NR_PAGES(its->baser_coll_table) * SZ_64K;
+ max_size = GITS_BASER_NR_PAGES(baser) * SZ_64K;
while (read < max_size) {
ret = vgic_its_restore_cte(its, gpa, cte_esz);
@@ -2258,6 +2277,10 @@
gpa += cte_esz;
read += cte_esz;
}
+
+ if (ret > 0)
+ return 0;
+
return ret;
}
