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From: Borislav Petkov <bp@alien8.de>
To: X86 ML <x86@kernel.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
	Andy Lutomirski <luto@amacapital.net>
Subject: [PATCH] x86/entry/64_compat: Make labels local
Date: Sat, 12 Dec 2015 11:27:57 +0100	[thread overview]
Message-ID: <1449916077-6506-1-git-send-email-bp@alien8.de> (raw)

From: Borislav Petkov <bp@suse.de>

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

Signed-off-by: Borislav Petkov <bp@suse.de>
CC: Andy Lutomirski <luto@amacapital.net>
---
 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 bbcb285ac781..8d802a109fac 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)
 
 /*
-- 
2.3.5


             reply	other threads:[~2015-12-12 10:28 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-12 10:27 Borislav Petkov [this message]
2015-12-14  8:30 ` [tip:x86/asm] " tip-bot for Borislav Petkov

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