From: Borislav Petkov <bp@alien8.de>
To: X86 ML <x86@kernel.org>
Cc: LKML <linux-kernel@vger.kernel.org>
Subject: [RFC PATCH 1/4] x86, copy_user: Remove FIX_ALIGNMENT define
Date: Mon, 5 Jan 2015 16:00:10 +0100 [thread overview]
Message-ID: <1420470013-26413-2-git-send-email-bp@alien8.de> (raw)
In-Reply-To: <1420470013-26413-1-git-send-email-bp@alien8.de>
From: Borislav Petkov <bp@suse.de>
It is superfluous now so remove it. No object file change before and
after.
Signed-off-by: Borislav Petkov <bp@suse.de>
---
arch/x86/lib/copy_user_64.S | 5 -----
1 file changed, 5 deletions(-)
diff --git a/arch/x86/lib/copy_user_64.S b/arch/x86/lib/copy_user_64.S
index dee945d55594..1530ec2c1b12 100644
--- a/arch/x86/lib/copy_user_64.S
+++ b/arch/x86/lib/copy_user_64.S
@@ -8,9 +8,6 @@
#include <linux/linkage.h>
#include <asm/dwarf2.h>
-
-#define FIX_ALIGNMENT 1
-
#include <asm/current.h>
#include <asm/asm-offsets.h>
#include <asm/thread_info.h>
@@ -45,7 +42,6 @@
.endm
.macro ALIGN_DESTINATION
-#ifdef FIX_ALIGNMENT
/* check for bad alignment of destination */
movl %edi,%ecx
andl $7,%ecx
@@ -67,7 +63,6 @@
_ASM_EXTABLE(100b,103b)
_ASM_EXTABLE(101b,103b)
-#endif
.endm
/* Standard copy_to_user with segment limit checking */
--
2.2.0.33.gc18b867
next prev parent reply other threads:[~2015-01-05 15:00 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-05 15:00 [RFC PATCH 0/4] x86, alternatives: Insn padding and more robust JMPs Borislav Petkov
2015-01-05 15:00 ` Borislav Petkov [this message]
2015-01-05 15:00 ` [RFC PATCH 2/4] x86, alternatives: Cleanup DPRINTK macro Borislav Petkov
2015-01-05 17:16 ` Joe Perches
2015-01-05 15:00 ` [RFC PATCH 3/4] alternatives: Add instruction padding Borislav Petkov
2015-01-05 15:00 ` [RFC PATCH 4/4] alternatives: Make JMPs more robust Borislav Petkov
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