linux-kernel - [tip: objtool/core] jump_label, x86: Strip ASM jump

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Message-ID: <162082559216.29796.14178984509279859389.tip-bot2@tip-bot2>
Date:   Wed, 12 May 2021 13:19:52 -0000
From:   "tip-bot2 for Peter Zijlstra" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        Ingo Molnar <mingo@...nel.org>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [tip: objtool/core] jump_label, x86: Strip ASM jump_label support

The following commit has been merged into the objtool/core branch of tip:

Commit-ID:     8bfafcdccb52e770695b12530b1f800fe98b16b1
Gitweb:        https://git.kernel.org/tip/8bfafcdccb52e770695b12530b1f800fe98b16b1
Author:        Peter Zijlstra <peterz@...radead.org>
AuthorDate:    Thu, 06 May 2021 21:33:55 +02:00
Committer:     Ingo Molnar <mingo@...nel.org>
CommitterDate: Wed, 12 May 2021 14:54:55 +02:00

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: Peter Zijlstra (Intel) <peterz@...radead.org>
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Link: https://lore.kernel.org/r/20210506194157.599716762@infradead.org
---
 arch/x86/include/asm/jump_label.h | 36 +------------------------------
 1 file changed, 36 deletions(-)

diff --git a/arch/x86/include/asm/jump_label.h b/arch/x86/include/asm/jump_label.h
index 610a053..01de21e 100644
--- a/arch/x86/include/asm/jump_label.h
+++ b/arch/x86/include/asm/jump_label.h
@@ -47,42 +47,6 @@ l_yes:
 	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