From: Andi Kleen <andi@firstfloor.org>
To: tj@kernel.org, x86@kernel.org, akpm@linux-foundation.org,
linux-kernel@vger.kernel.org
Subject: [PATCH] [1/23] x86: percpu: Avoid warnings of unused variables in per cpu
Date: Thu, 10 Jun 2010 13:10:36 +0200 (CEST) [thread overview]
Message-ID: <20100610111036.DAE8EB1A2C@basil.firstfloor.org> (raw)
In-Reply-To: <20100610110.764742110@firstfloor.org>
Avoid hundreds of warnings with a gcc 4.6 -Wall build
Cc: tj@kernel.org
Cc: x86@kernel.org
Signed-off-by: Andi Kleen <ak@linux.intel.com>
---
arch/x86/include/asm/percpu.h | 2 ++
1 file changed, 2 insertions(+)
Index: linux-2.6.35-rc2-gcc/arch/x86/include/asm/percpu.h
===================================================================
--- linux-2.6.35-rc2-gcc.orig/arch/x86/include/asm/percpu.h
+++ linux-2.6.35-rc2-gcc/arch/x86/include/asm/percpu.h
@@ -77,6 +77,7 @@ do { \
if (0) { \
pto_T__ pto_tmp__; \
pto_tmp__ = (val); \
+ (void)pto_tmp__; \
} \
switch (sizeof(var)) { \
case 1: \
@@ -115,6 +116,7 @@ do { \
if (0) { \
pao_T__ pao_tmp__; \
pao_tmp__ = (val); \
+ (void)pao_tmp__; \
} \
switch (sizeof(var)) { \
case 1: \
next prev parent reply other threads:[~2010-06-10 11:10 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-10 11:10 [PATCH] [0/23] Fix gcc 4.6 set but unused variable warnings Andi Kleen
2010-06-10 11:10 ` Andi Kleen [this message]
2010-06-10 11:14 ` [PATCH] [1/23] x86: percpu: Avoid warnings of unused variables in per cpu Tejun Heo
2010-06-10 12:09 ` Ingo Molnar
2010-06-10 17:43 ` Justin P. Mattock
2010-06-10 18:10 ` Andi Kleen
2010-06-10 18:26 ` Justin P. Mattock
2010-06-10 20:10 ` Justin P. Mattock
2010-06-10 12:24 ` [tip:x86/urgent] percpu, x86: " tip-bot for Andi Kleen
2010-06-10 11:10 ` [PATCH] [2/23] IRQ: Move alloc_desk_mask variables inside ifdef Andi Kleen
2010-06-10 11:10 ` [PATCH] [3/23] x86: Avoid unused by set variables in rdmsr Andi Kleen
2010-06-10 11:10 ` [PATCH] [4/23] pagemap: Avoid unused-but-set variable Andi Kleen
2010-06-18 23:28 ` Andrew Morton
2010-06-19 7:44 ` Andi Kleen
2010-06-10 11:10 ` [PATCH] [5/23] x86 boot: Set ax register in boot vga query Andi Kleen
2010-06-10 17:13 ` H. Peter Anvin
2010-06-10 23:42 ` [tip:x86/urgent] x86, setup: " tip-bot for Andi Kleen
2010-06-10 11:10 ` [PATCH] [6/23] perf: Fix set but unused variables in perf Andi Kleen
2010-06-10 11:10 ` [PATCH] [7/23] x86: fix set but not read variables Andi Kleen
2010-06-10 11:10 ` [PATCH] [8/23] KGDB: Remove set but unused newPC Andi Kleen
2010-07-30 11:59 ` Jason Wessel
2010-06-10 11:10 ` [PATCH] [9/23] PRINTK: Use stable variable to dump kmsg buffer Andi Kleen
2010-06-10 11:10 ` [PATCH] [10/23] SCHED: Only allocate per cpu cpu mask buffer with offstack cpumasks Andi Kleen
2010-06-10 14:43 ` Peter Zijlstra
2010-06-10 14:52 ` Andi Kleen
2010-06-10 14:55 ` Peter Zijlstra
2010-06-10 15:06 ` Andi Kleen
2010-06-10 15:19 ` Peter Zijlstra
2010-06-10 15:34 ` Andi Kleen
2010-06-10 11:10 ` [PATCH] [11/23] KVM: Fix KVM_SET_SIGNAL_MASK Andi Kleen
2010-06-10 14:16 ` Avi Kivity
2010-06-10 11:10 ` [PATCH] [12/23] BTRFS: Clean up unused variables -- bugs Andi Kleen
2010-06-10 11:10 ` [PATCH] [13/23] BTRFS: Clean up unused variables -- nonbugs Andi Kleen
2010-06-10 11:10 ` [PATCH] [14/23] NFSD: Fix initialized but not read warnings Andi Kleen
2010-06-10 11:10 ` [PATCH] [15/23] EXT4: Fix initialized but not read variables Andi Kleen
2010-06-14 17:20 ` tytso
2010-06-10 11:10 ` [PATCH] [16/23] XFS: Fix gcc 4.6 set but not read and unused statement warnings Andi Kleen
2010-06-11 16:20 ` Christoph Hellwig
2010-06-11 16:36 ` Andi Kleen
2010-06-14 4:27 ` Dave Chinner
2010-06-14 7:43 ` Andi Kleen
2010-06-14 13:37 ` Dave Chinner
2010-06-14 14:37 ` Andi Kleen
2010-06-14 22:24 ` Dave Chinner
2010-06-15 7:02 ` Andi Kleen
2010-06-15 7:40 ` Christoph Hellwig
2010-06-15 7:46 ` Andi Kleen
2010-06-10 11:10 ` [PATCH] [17/23] EXT3: Fix set but unused variables Andi Kleen
2010-06-14 17:21 ` tytso
2010-06-14 17:27 ` tytso
2010-06-15 14:01 ` Jan Kara
2010-06-10 11:10 ` [PATCH] [18/23] ACPI: Fix unused but set variables in ACPI Andi Kleen
2010-06-10 11:10 ` [PATCH] [19/23] KVM: Fix unused but set warnings Andi Kleen
2010-06-10 14:19 ` Avi Kivity
2010-06-10 11:10 ` [PATCH] [20/23] MM: " Andi Kleen
2010-06-10 11:10 ` [PATCH] [21/23] kernel/*: " Andi Kleen
2010-06-10 11:10 ` [PATCH] [22/23] BLOCK: Fix unused but set variables in blk-merge Andi Kleen
2010-06-10 11:10 ` [PATCH] [23/23] FS: Fix unused but set warnings Andi Kleen
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