Messages in this thread Patch in this message | | | From | Alexander van Heukelum <> | Subject | [PATCH 1/7] traps: x86_64: add TRACE_IRQS_OFF in error_entry | Date | Fri, 26 Sep 2008 14:03:02 +0200 |
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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 <fastmail.fm> --- arch/x86/kernel/entry_64.S | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index 89434d4..78fa552 100644 --- a/arch/x86/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S @@ -1058,7 +1058,8 @@ KPROBE_ENTRY(error_entry) je error_kernelspace error_swapgs: SWAPGS -error_sti: +error_sti: + TRACE_IRQS_OFF movq %rdi,RDI(%rsp) CFI_REL_OFFSET rdi,RDI movq %rsp,%rdi -- 1.5.4.3
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