From fedb24cda1ca5407e1965b261e349ea85d6c03dc Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Wed, 10 Nov 2021 11:01:19 +0100 Subject: [PATCH] x86/checksum_32: Remove .fixup usage Simply add EX_FLAG_CLEAR_AX to do as the .fixup used to do. Signed-off-by: Peter Zijlstra (Intel) Reviewed-by: Josh Poimboeuf Link: https://lore.kernel.org/r/20211110101325.899657959@infradead.org --- arch/x86/lib/checksum_32.S | 19 +++---------------- 1 file changed, 3 insertions(+), 16 deletions(-) diff --git a/arch/x86/lib/checksum_32.S b/arch/x86/lib/checksum_32.S index 929ad1747dea..23318c338db0 100644 --- a/arch/x86/lib/checksum_32.S +++ b/arch/x86/lib/checksum_32.S @@ -260,9 +260,9 @@ unsigned int csum_partial_copy_generic (const char *src, char *dst, * Copy from ds while checksumming, otherwise like csum_partial */ -#define EXC(y...) \ - 9999: y; \ - _ASM_EXTABLE_UA(9999b, 6001f) +#define EXC(y...) \ + 9999: y; \ + _ASM_EXTABLE_TYPE(9999b, 7f, EX_TYPE_UACCESS | EX_FLAG_CLEAR_AX) #ifndef CONFIG_X86_USE_PPRO_CHECKSUM @@ -358,15 +358,6 @@ EXC( movb %cl, (%edi) ) adcl $0, %eax 7: -# Exception handler: -.section .fixup, "ax" - -6001: - xorl %eax, %eax - jmp 7b - -.previous - popl %ebx popl %esi popl %edi @@ -439,10 +430,6 @@ EXC( movb %dl, (%edi) ) 6: addl %edx, %eax adcl $0, %eax 7: -.section .fixup, "ax" -6001: xorl %eax, %eax - jmp 7b -.previous popl %esi popl %edi