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
> +++ b/arch/x86/lib/thunk_64.S
> @@ -8,6 +8,7 @@
>  #include <linux/linkage.h>
>  #include <asm/dwarf2.h>
>  #include <asm/calling.h>
> +#include <asm/asm.h>
>  
>       /* rdi: arg1 ... normal C conventions. rax is saved/restored. */
>       .macro THUNK name, func, put_ret_addr_in_rdi=0
> @@ -25,6 +26,7 @@
>       call \func
>       jmp  restore
>       CFI_ENDPROC
> +     _ASM_NOKPROBE(\name)
>       .endm
>  
>  #ifdef CONFIG_TRACE_IRQFLAGS
> @@ -43,3 +45,4 @@ restore:
>       RESTORE_ARGS
>       ret
>       CFI_ENDPROC
> +     _ASM_NOKPROBE(restore)
> 

Does kallsyms return something for this? I'm curious to what it does.
It might find something that we didn't expect. Do you have debug code
to list out all the black listed items found at boot up?

-- Steve


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to