Commit 8bfafcdc authored by Peter Zijlstra's avatar Peter Zijlstra Committed by Ingo Molnar
Browse files

jump_label, x86: Strip ASM jump_label support 



In prepration for variable size jump_label support; remove all ASM
bits, which are currently unused.

Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20210506194157.599716762@infradead.org
parent 80870e6e

arch/x86/include/asm/jump_label.h

+0 −36
Original line number Diff line number Diff line
@@ -47,42 +47,6 @@ static __always_inline bool arch_static_branch_jump(struct static_key * const ke 
	return true;

}



#else	/* __ASSEMBLY__ */



.macro STATIC_JUMP_IF_TRUE target, key, def

.Lstatic_jump_\@:

	.if \def

	/* Equivalent to "jmp.d32 \target" */

	.byte		0xe9

	.long		\target - .Lstatic_jump_after_\@

.Lstatic_jump_after_\@:

	.else

	.byte		BYTES_NOP5

	.endif

	.pushsection __jump_table, "aw"

	_ASM_ALIGN

	.long		.Lstatic_jump_\@ - ., \target - .

	_ASM_PTR	\key - .

	.popsection

.endm



.macro STATIC_JUMP_IF_FALSE target, key, def

.Lstatic_jump_\@:

	.if \def

	.byte		BYTES_NOP5

	.else

	/* Equivalent to "jmp.d32 \target" */

	.byte		0xe9

	.long		\target - .Lstatic_jump_after_\@

.Lstatic_jump_after_\@:

	.endif

	.pushsection __jump_table, "aw"

	_ASM_ALIGN

	.long		.Lstatic_jump_\@ - ., \target - .

	_ASM_PTR	\key + 1 - .

	.popsection

.endm



#endif	/* __ASSEMBLY__ */



#endif