On Wed, 05 Mar 2014 20:59:32 +0900
Masami Hiramatsu wrote:
> thunk/restore functions are also used for tracing irqoff etc.
> and those are involved in kprobe's exception handling.
> Prohibit probing on them to avoid kernel crash.
>
> Signed-off-by: Masami Hiramatsu
> Cc: Thomas Gleixner
> Cc:
On Wed, 05 Mar 2014 20:59:32 +0900
Masami Hiramatsu masami.hiramatsu...@hitachi.com wrote:
thunk/restore functions are also used for tracing irqoff etc.
and those are involved in kprobe's exception handling.
Prohibit probing on them to avoid kernel crash.
Signed-off-by: Masami Hiramatsu
(2014/03/22 10:00), Steven Rostedt wrote:
> On Wed, 05 Mar 2014 20:59:32 +0900
> Masami Hiramatsu wrote:
>
>> thunk_ra trace_hardirqs_on_thunk,trace_hardirqs_on_caller
>> diff --git a/arch/x86/lib/thunk_64.S b/arch/x86/lib/thunk_64.S
>> index a63efd6..92d9fea 100644
>> ---
(2014/03/22 10:00), Steven Rostedt wrote:
On Wed, 05 Mar 2014 20:59:32 +0900
Masami Hiramatsu masami.hiramatsu...@hitachi.com wrote:
thunk_ra trace_hardirqs_on_thunk,trace_hardirqs_on_caller
diff --git a/arch/x86/lib/thunk_64.S b/arch/x86/lib/thunk_64.S
index a63efd6..92d9fea 100644
On Wed, 05 Mar 2014 20:59:32 +0900
Masami Hiramatsu wrote:
> thunk_ra trace_hardirqs_on_thunk,trace_hardirqs_on_caller
> diff --git a/arch/x86/lib/thunk_64.S b/arch/x86/lib/thunk_64.S
> index a63efd6..92d9fea 100644
> --- a/arch/x86/lib/thunk_64.S
> +++ b/arch/x86/lib/thunk_64.S
> @@ -8,6
On Wed, 05 Mar 2014 20:59:32 +0900
Masami Hiramatsu masami.hiramatsu...@hitachi.com wrote:
thunk_ra trace_hardirqs_on_thunk,trace_hardirqs_on_caller
diff --git a/arch/x86/lib/thunk_64.S b/arch/x86/lib/thunk_64.S
index a63efd6..92d9fea 100644
--- a/arch/x86/lib/thunk_64.S
+++
thunk/restore functions are also used for tracing irqoff etc.
and those are involved in kprobe's exception handling.
Prohibit probing on them to avoid kernel crash.
Signed-off-by: Masami Hiramatsu
Cc: Thomas Gleixner
Cc: Ingo Molnar
Cc: "H. Peter Anvin"
---
arch/x86/lib/thunk_32.S |3 ++-
thunk/restore functions are also used for tracing irqoff etc.
and those are involved in kprobe's exception handling.
Prohibit probing on them to avoid kernel crash.
Signed-off-by: Masami Hiramatsu masami.hiramatsu...@hitachi.com
Cc: Thomas Gleixner t...@linutronix.de
Cc: Ingo Molnar
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