linux-kernel - [tip:x86/asm] x86/entry/64

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Message-ID: <tip-f74acf0e4326bfaa2c0be1e82f23801fe347cd9c@git.kernel.org>
Date:	Mon, 14 Dec 2015 00:30:32 -0800
From:	tip-bot for Borislav Petkov <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	bp@...e.de, peterz@...radead.org, bp@...en8.de, tglx@...utronix.de,
	brgerst@...il.com, hpa@...or.com, mingo@...nel.org,
	torvalds@...ux-foundation.org, linux-kernel@...r.kernel.org,
	luto@...capital.net, dvlasenk@...hat.com
Subject: [tip:x86/asm] x86/entry/64_compat: Make labels local

Commit-ID:  f74acf0e4326bfaa2c0be1e82f23801fe347cd9c
Gitweb:     http://git.kernel.org/tip/f74acf0e4326bfaa2c0be1e82f23801fe347cd9c
Author:     Borislav Petkov <bp@...e.de>
AuthorDate: Sat, 12 Dec 2015 11:27:57 +0100
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Mon, 14 Dec 2015 09:28:48 +0100

x86/entry/64_compat: Make labels local

... so that they don't appear as symbols in the final ELF.

Signed-off-by: Borislav Petkov <bp@...e.de>
Cc: Andy Lutomirski <luto@...capital.net>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Brian Gerst <brgerst@...il.com>
Cc: Denys Vlasenko <dvlasenk@...hat.com>
Cc: H. Peter Anvin <hpa@...or.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Link: http://lkml.kernel.org/r/1449916077-6506-1-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/x86/entry/entry_64_compat.S | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/x86/entry/entry_64_compat.S b/arch/x86/entry/entry_64_compat.S
index bbcb285..8d802a1 100644
--- a/arch/x86/entry/entry_64_compat.S
+++ b/arch/x86/entry/entry_64_compat.S
@@ -96,15 +96,15 @@ ENTRY(entry_SYSENTER_compat)
 	 * This needs to happen before enabling interrupts so that
 	 * we don't get preempted with NT set.
 	 *
-	 * NB.: sysenter_fix_flags is a label with the code under it moved
+	 * NB.: .Lsysenter_fix_flags is a label with the code under it moved
 	 * out-of-line as an optimization: NT is unlikely to be set in the
 	 * majority of the cases and instead of polluting the I$ unnecessarily,
 	 * we're keeping that code behind a branch which will predict as
 	 * not-taken and therefore its instructions won't be fetched.
 	 */
 	testl	$X86_EFLAGS_NT, EFLAGS(%rsp)
-	jnz	sysenter_fix_flags
-sysenter_flags_fixed:
+	jnz	.Lsysenter_fix_flags
+.Lsysenter_flags_fixed:
 
 	/*
 	 * User mode is traced as though IRQs are on, and SYSENTER
@@ -119,10 +119,10 @@ sysenter_flags_fixed:
 		    "jmp .Lsyscall_32_done", X86_FEATURE_XENPV
 	jmp	sysret32_from_system_call
 
-sysenter_fix_flags:
+.Lsysenter_fix_flags:
 	pushq	$X86_EFLAGS_FIXED
 	popfq
-	jmp	sysenter_flags_fixed
+	jmp	.Lsysenter_flags_fixed
 ENDPROC(entry_SYSENTER_compat)
 
 /*
--
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