From: "tip-bot for H. Peter Anvin" <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: tglx@linutronix.de, peterz@infradead.org,
linux-kernel@vger.kernel.org, bp@suse.de, hpa@zytor.com,
luto@kernel.org, mingo@kernel.org
Subject: [tip:x86/asm] x86, asm: Use CC_SET()/CC_OUT() in <asm/percpu.h>
Date: Wed, 8 Jun 2016 12:48:35 -0700 [thread overview]
Message-ID: <tip-64be6d36f5674f3424d1901772f76e21874f4954@git.kernel.org> (raw)
In-Reply-To: <1465414726-197858-8-git-send-email-hpa@linux.intel.com>
Commit-ID: 64be6d36f5674f3424d1901772f76e21874f4954
Gitweb: http://git.kernel.org/tip/64be6d36f5674f3424d1901772f76e21874f4954
Author: H. Peter Anvin <hpa@zytor.com>
AuthorDate: Wed, 8 Jun 2016 12:38:43 -0700
Committer: H. Peter Anvin <hpa@linux.intel.com>
CommitDate: Wed, 8 Jun 2016 12:41:20 -0700
x86, asm: Use CC_SET()/CC_OUT() in <asm/percpu.h>
Remove open-coded uses of set instructions to use CC_SET()/CC_OUT() in
<asm/percpu.h>.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Link: http://lkml.kernel.org/r/1465414726-197858-8-git-send-email-hpa@linux.intel.com
Reviewed-by: Andy Lutomirski <luto@kernel.org>
Reviewed-by: Borislav Petkov <bp@suse.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
---
arch/x86/include/asm/percpu.h | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h
index 184d7f3..e02e3f8 100644
--- a/arch/x86/include/asm/percpu.h
+++ b/arch/x86/include/asm/percpu.h
@@ -511,8 +511,9 @@ do { \
#define x86_test_and_clear_bit_percpu(bit, var) \
({ \
bool old__; \
- asm volatile("btr %2,"__percpu_arg(1)"\n\tsetc %0" \
- : "=qm" (old__), "+m" (var) \
+ asm volatile("btr %2,"__percpu_arg(1)"\n\t" \
+ CC_SET(c) \
+ : CC_OUT(c) (old__), "+m" (var) \
: "dIr" (bit)); \
old__; \
})
@@ -535,8 +536,8 @@ static inline bool x86_this_cpu_variable_test_bit(int nr,
bool oldbit;
asm volatile("bt "__percpu_arg(2)",%1\n\t"
- "setc %0"
- : "=qm" (oldbit)
+ CC_SET(c)
+ : CC_OUT(c) (oldbit)
: "m" (*(unsigned long *)addr), "Ir" (nr));
return oldbit;
next prev parent reply other threads:[~2016-06-08 19:49 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-08 19:38 [PATCH v2 00/10] x86: use gcc 6+ asm flag output feature H. Peter Anvin
2016-06-08 19:38 ` [PATCH v2 01/10] x86, bitops: remove use of "sbb" to return CF H. Peter Anvin
2016-06-08 19:45 ` [tip:x86/asm] " tip-bot for H. Peter Anvin
2016-06-08 19:38 ` [PATCH v2 02/10] x86, asm: use bool for bitops and other assembly outputs H. Peter Anvin
2016-06-08 19:46 ` [tip:x86/asm] " tip-bot for H. Peter Anvin
2016-06-08 19:38 ` [PATCH v2 03/10] x86, asm: change the GEN_*_RMWcc() macros to not quote the condition H. Peter Anvin
2016-06-08 19:46 ` [tip:x86/asm] " tip-bot for H. Peter Anvin
2016-06-08 19:38 ` [PATCH v2 04/10] x86, asm: define CC_SET() and CC_OUT() macros H. Peter Anvin
2016-06-08 19:47 ` [tip:x86/asm] " tip-bot for H. Peter Anvin
2016-06-08 19:38 ` [PATCH v2 05/10] x86, asm: change GEN_*_RMWcc() to use CC_SET()/CC_OUT() H. Peter Anvin
2016-06-08 19:47 ` [tip:x86/asm] " tip-bot for H. Peter Anvin
2016-06-08 19:38 ` [PATCH v2 06/10] x86, asm: Use CC_SET()/CC_OUT() in <asm/bitops.h> H. Peter Anvin
2016-06-08 19:48 ` [tip:x86/asm] " tip-bot for H. Peter Anvin
2016-06-08 19:38 ` [PATCH v2 07/10] x86, asm: Use CC_SET()/CC_OUT() in <asm/percpu.h> H. Peter Anvin
2016-06-08 19:48 ` tip-bot for H. Peter Anvin [this message]
2016-06-08 19:38 ` [PATCH v2 08/10] x86, asm: Use CC_SET()/CC_OUT() in <asm/rwsem.h> H. Peter Anvin
2016-06-08 19:49 ` [tip:x86/asm] " tip-bot for H. Peter Anvin
2016-06-08 19:38 ` [PATCH v2 09/10] x86, asm, boot: Use CC_SET()/CC_OUT() in arch/x86/boot/boot.h H. Peter Anvin
2016-06-08 19:49 ` [tip:x86/asm] " tip-bot for H. Peter Anvin
2016-06-08 19:38 ` [PATCH v2 10/10] x86, asm: Use CC_SET()/CC_OUT() and static_cpu_has() in archrandom.h H. Peter Anvin
2016-06-08 19:49 ` [tip:x86/asm] " tip-bot for H. Peter Anvin
2016-06-09 15:49 ` [PATCH v2 10/10] " Borislav Petkov
2016-06-08 21:30 ` [PATCH v2 00/10] x86: use gcc 6+ asm flag output feature H. Peter Anvin
-- strict thread matches above, loose matches on Subject: below --
2016-06-07 23:31 [PATCH 07/10] x86, asm: Use CC_SET()/CC_OUT() in <asm/percpu.h> H. Peter Anvin
2016-06-07 23:42 ` [tip:x86/asm] " tip-bot for H. Peter Anvin
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