traps: x86_64: add TRACE_IRQS_OFF in paranoidentry macro
Add TRACE_IRQS_OFF just before entering the C code.
All exceptions are taken via interrupt gates. If irq tracing is
enabled, it should be notified as soon as possible. Interrupts
are only (conditionally) re-enabled in C code.
Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index 963b35b..977c8ea 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -939,6 +939,9 @@
.if \ist
movq %gs:pda_data_offset, %rbp
.endif
+ .if \irqtrace
+ TRACE_IRQS_OFF
+ .endif
movq %rsp,%rdi
movq ORIG_RAX(%rsp),%rsi
movq $-1,ORIG_RAX(%rsp)
