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Commit d4541805 authored by H. Peter Anvin's avatar H. Peter Anvin
Browse files

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: default avatarH. Peter Anvin <hpa@zytor.com>
Cc: David Daney <david.daney@cavium.com>
Link: http://lkml.kernel.org/r/CA%2B55aFyijf43qSu3N9nWHEBwaGbb7T2Oq9A=9EyR=Jtyqfq_cQ@mail.gmail.com
parent 060feb65

arch/x86/include/asm/asm.h

+10 −10
Original line number Diff line number Diff line
@@ -43,16 +43,16 @@ 
/* Exception table entry */

#ifdef __ASSEMBLY__

# define _ASM_EXTABLE(from,to)			\

	__ASM_EX_SEC ;		    \

	.pushsection "__ex_table","a" ;		\

	_ASM_ALIGN ;				\

	_ASM_PTR from , to ;			\

	.previous

	.popsection

#else

# define _ASM_EXTABLE(from,to)			\

	__ASM_EX_SEC	\

	" .pushsection \"__ex_table\",\"a\"\n"	\

	_ASM_ALIGN "\n" 			\

	_ASM_PTR #from "," #to "\n" 		\

	" .previous\n"

	" .popsection\n"

#endif



#endif /* _ASM_X86_ASM_H */