On Fri, Jul 17, 2015 at 11:47:18AM -0500, Josh Poimboeuf wrote:
> Add a C inline asm string version of the STACKVALIDATE_IGNORE_INSN macro
> which tells stackvalidate to ignore the subsequent instruction.
>
> Signed-off-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
> ---
> arch/x86/include/asm/stackvalidate.h | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/arch/x86/include/asm/stackvalidate.h b/arch/x86/include/asm/stackvalidate.h
> index 2d23c23..dac935c 100644
> --- a/arch/x86/include/asm/stackvalidate.h
> +++ b/arch/x86/include/asm/stackvalidate.h
> @@ -23,6 +23,15 @@
> .endif
> .endm
>
> +#else /* !__ASSEMBLY__ */
> +
#ifdef CONFIG_STACK_VALIDATION
> +#define STACKVALIDATE_IGNORE_INSN \
> + ".Ltemp" __stringify(__LINE__) ":;" \
> + ".pushsection __stackvalidate_ignore_insn, \"a\";" \
> + _ASM_ALIGN ";" \
> + ".long .Ltemp" __stringify(__LINE__) " - .;" \
> + ".popsection;"
> +
#endif
Also, you should end your lines with "\n" so that the .s output looks
a bit more readable, not like now:
#APP
# 30 "./arch/x86/include/asm/arch_hweight.h" 1
661:
.Ltemp32:;.pushsection __stackvalidate_ignore_insn, "a"; .balign 8 ;.long .Ltemp32 - .;.popsection;call __sw_hweight32
662:
--
Regards/Gruss,
Boris.
ECO tip #101: Trim your mails when you reply.
--
--
To unsubscribe from this list: send the line "unsubscribe live-patching" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
