commit 04fe6faf10c310480151667e7fe3e06df4208a8e
author Al Viro <viro@ftp.linux.org.uk> Thu Jan 12 01:05:50 2006 -0800
committer Linus Torvalds <torvalds@g5.osdl.org> Thu Jan 12 09:08:54 2006 -0800
tree 14dc22d1bd96e438a71d9434b07d9e49d072ea9a
parent 30af7120fe6cfa8cf9ccd0626474fa1cd6d2bd59

[PATCH] xtensa: task_pt_regs(), task_stack_page()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

include/asm-xtensa/processor.h

diff --git a/include/asm-xtensa/processor.h b/include/asm-xtensa/processor.h
index 9cab5e4..d1d72ad 100644
--- a/include/asm-xtensa/processor.h
+++ b/include/asm-xtensa/processor.h
@@ -184,12 +184,12 @@
 #define release_segments(mm)	do { } while(0)
 #define forget_segments()	do { } while (0)
 
-#define thread_saved_pc(tsk)	(xtensa_pt_regs(tsk)->pc)
+#define thread_saved_pc(tsk)	(task_pt_regs(tsk)->pc)
 
 extern unsigned long get_wchan(struct task_struct *p);
 
-#define KSTK_EIP(tsk)		(xtensa_pt_regs(tsk)->pc)
-#define KSTK_ESP(tsk)		(xtensa_pt_regs(tsk)->areg[1])
+#define KSTK_EIP(tsk)		(task_pt_regs(tsk)->pc)
+#define KSTK_ESP(tsk)		(task_pt_regs(tsk)->areg[1])
 
 #define cpu_relax()  do { } while (0)
 

include/asm-xtensa/ptrace.h

diff --git a/include/asm-xtensa/ptrace.h b/include/asm-xtensa/ptrace.h
index aa4fd7f..a5ac71a 100644
--- a/include/asm-xtensa/ptrace.h
+++ b/include/asm-xtensa/ptrace.h
@@ -113,8 +113,8 @@
 };
 
 #ifdef __KERNEL__
-# define xtensa_pt_regs(tsk) ((struct pt_regs*) \
-  (((long)(tsk)->thread_info + KERNEL_STACK_SIZE - (XCHAL_NUM_AREGS-16)*4)) - 1)
+# define task_pt_regs(tsk) ((struct pt_regs*) \
+  (task_stack_page(tsk) + KERNEL_STACK_SIZE - (XCHAL_NUM_AREGS-16)*4) - 1)
 # define user_mode(regs) (((regs)->ps & 0x00000020)!=0)
 # define instruction_pointer(regs) ((regs)->pc)
 extern void show_regs(struct pt_regs *);