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From: Borislav Petkov <bp@alien8.de>
To: X86 ML <x86@kernel.org>
Cc: Andy Lutomirski <luto@amacapital.net>,
	LKML <linux-kernel@vger.kernel.org>
Subject: [PATCH v2 01/15] x86/lib/copy_user_64.S: Remove FIX_ALIGNMENT define
Date: Tue, 24 Feb 2015 12:14:43 +0100	[thread overview]
Message-ID: <1424776497-3180-2-git-send-email-bp@alien8.de> (raw)
In-Reply-To: <1424776497-3180-1-git-send-email-bp@alien8.de>

From: Borislav Petkov <bp@suse.de>

It is unconditionally enabled so remove it. No object file change.

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


  reply	other threads:[~2015-02-24 11:15 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-24 11:14 [PATCH v2 00/15] x86, alternatives: Instruction padding and more robust JMPs Borislav Petkov
2015-02-24 11:14 ` Borislav Petkov [this message]
2015-02-24 11:14 ` [PATCH v2 02/15] x86/alternatives: Cleanup DPRINTK macro Borislav Petkov
2015-02-24 11:14 ` [PATCH v2 03/15] x86/alternatives: Add instruction padding Borislav Petkov
2015-02-24 11:14 ` [PATCH v2 04/15] x86/alternatives: Make JMPs more robust Borislav Petkov
2015-02-24 11:14 ` [PATCH v2 05/15] x86/alternatives: Use optimized NOPs for padding Borislav Petkov
2015-03-04  6:43   ` Ingo Molnar
2015-03-04  8:42     ` Borislav Petkov
2015-02-24 11:14 ` [PATCH v2 06/15] x86/lib/copy_page_64.S: Use generic ALTERNATIVE macro Borislav Petkov
2015-02-24 11:14 ` [PATCH v2 07/15] x86/lib/copy_user_64.S: Convert to ALTERNATIVE_2 Borislav Petkov
2015-03-04  6:25   ` Ingo Molnar
2015-03-04  7:13     ` Ingo Molnar
2015-03-04  9:06       ` Borislav Petkov
2015-03-05  0:34         ` Ingo Molnar
2015-03-05  8:23           ` Borislav Petkov
2015-03-04  9:00     ` Borislav Petkov
2015-03-05  0:32       ` Ingo Molnar
2015-03-05  8:35         ` Borislav Petkov
2015-03-05  9:34           ` Ingo Molnar
2015-03-05  9:46             ` Ingo Molnar
2015-02-24 11:14 ` [PATCH v2 08/15] x86/smap: Use ALTERNATIVE macro Borislav Petkov
2015-02-24 11:14 ` [PATCH v2 09/15] x86/entry_32: Convert X86_INVD_BUG to " Borislav Petkov
2015-02-24 11:14 ` [PATCH v2 10/15] x86/lib/clear_page_64.S: Convert to ALTERNATIVE_2 macro Borislav Petkov
2015-02-24 11:14 ` [PATCH v2 11/15] x86/asm: Use alternative_2() in rdtsc_barrier() Borislav Petkov
2015-02-24 11:14 ` [PATCH v2 12/15] x86/asm: Cleanup prefetch primitives Borislav Petkov
2015-03-04  6:48   ` Ingo Molnar
2015-03-04  9:08     ` Borislav Petkov
2015-02-24 11:14 ` [PATCH v2 13/15] x86/lib/memset_64.S: Convert to ALTERNATIVE_2 macro Borislav Petkov
2015-02-24 11:14 ` [PATCH v2 14/15] x86/lib/memmove_64.S: Convert memmove() to ALTERNATIVE macro Borislav Petkov
2015-03-04  7:19   ` Ingo Molnar
2015-02-24 11:14 ` [PATCH v2 15/15] x86/lib/memcpy_64.S: Convert memcpy to ALTERNATIVE_2 macro Borislav Petkov
2015-03-04  7:26   ` Ingo Molnar
2015-03-04 13:58     ` Borislav Petkov
2015-03-05  0:26       ` Ingo Molnar
2015-03-05  8:37         ` Borislav Petkov
2015-02-24 20:25 ` [PATCH v2 00/15] x86, alternatives: Instruction padding and more robust JMPs Andy Lutomirski
2015-02-26 18:13 ` Borislav Petkov
2015-02-26 18:16   ` [PATCH 1/3] perf/bench: Fix mem* routines usage after alternatives change Borislav Petkov
2015-02-26 18:16     ` [PATCH 2/3] perf/bench: Carve out mem routine benchmarking Borislav Petkov
2015-02-26 18:16     ` [PATCH 3/3] perf/bench: Add -r all so that you can run all mem* routines Borislav Petkov
2015-03-04  7:30       ` Ingo Molnar
2015-03-02 14:51   ` [PATCH v2 00/15] x86, alternatives: Instruction padding and more robust JMPs Hitoshi Mitake
2015-03-02 16:27     ` Borislav Petkov

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