Commit fedb24cd authored by Peter Zijlstra's avatar Peter Zijlstra
Browse files

x86/checksum_32: Remove .fixup usage 



Simply add EX_FLAG_CLEAR_AX to do as the .fixup used to do.

Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: default avatarJosh Poimboeuf <jpoimboe@redhat.com>
Link: https://lore.kernel.org/r/20211110101325.899657959@infradead.org
parent 3e8ea780

arch/x86/lib/checksum_32.S

+3 −16
Original line number Diff line number Diff line
@@ -262,7 +262,7 @@ unsigned int csum_partial_copy_generic (const char *src, char *dst, 


#define EXC(y...)						\

	9999: y;						\

	_ASM_EXTABLE_UA(9999b, 6001f)

	_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