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Message-ID: <tip-d4541805e812abb5110d5de83246488fa0aa9a8e@git.kernel.org> Date: Fri, 20 Apr 2012 14:55:31 -0700 From: "tip-bot for H. Peter Anvin" <hpa@...or.com> To: linux-tip-commits@...r.kernel.org Cc: linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org, david.daney@...ium.com, tglx@...utronix.de Subject: [tip:x86/extable] x86, extable: Use .pushsection ... . popsection for _ASM_EXTABLE() Commit-ID: d4541805e812abb5110d5de83246488fa0aa9a8e Gitweb: http://git.kernel.org/tip/d4541805e812abb5110d5de83246488fa0aa9a8e Author: H. Peter Anvin <hpa@...or.com> AuthorDate: Fri, 20 Apr 2012 12:12:27 -0700 Committer: H. Peter Anvin <hpa@...or.com> CommitDate: Fri, 20 Apr 2012 13:51:38 -0700 x86, extable: Use .pushsection ... .popsection for _ASM_EXTABLE() Instead of using .section ... .previous, use .pushsection ... .popsection; this is (hopefully) a bit more robust, especially in complex assembly code. Signed-off-by: H. Peter Anvin <hpa@...or.com> Cc: David Daney <david.daney@...ium.com> Link: http://lkml.kernel.org/r/CA%2B55aFyijf43qSu3N9nWHEBwaGbb7T2Oq9A=9EyR=Jtyqfq_cQ@mail.gmail.com --- arch/x86/include/asm/asm.h | 20 ++++++++++---------- 1 files changed, 10 insertions(+), 10 deletions(-) diff --git a/arch/x86/include/asm/asm.h b/arch/x86/include/asm/asm.h index 9412d65..ff3f6bf 100644 --- a/arch/x86/include/asm/asm.h +++ b/arch/x86/include/asm/asm.h @@ -42,17 +42,17 @@ /* Exception table entry */ #ifdef __ASSEMBLY__ -# define _ASM_EXTABLE(from,to) \ - __ASM_EX_SEC ; \ - _ASM_ALIGN ; \ - _ASM_PTR from , to ; \ - .previous +# define _ASM_EXTABLE(from,to) \ + .pushsection "__ex_table","a" ; \ + _ASM_ALIGN ; \ + _ASM_PTR from , to ; \ + .popsection #else -# define _ASM_EXTABLE(from,to) \ - __ASM_EX_SEC \ - _ASM_ALIGN "\n" \ - _ASM_PTR #from "," #to "\n" \ - " .previous\n" +# define _ASM_EXTABLE(from,to) \ + " .pushsection \"__ex_table\",\"a\"\n" \ + _ASM_ALIGN "\n" \ + _ASM_PTR #from "," #to "\n" \ + " .popsection\n" #endif #endif /* _ASM_X86_ASM_H */ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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