From: Len Brown <lenb@kernel.org>
To: x86@kernel.org
Cc: linux-kernel@vger.kernel.org, Len Brown <len.brown@intel.com>
Subject: [PATCH 4/5] x86: remove x86_test_and_clear_bit_percpu()
Date: Fri, 18 Nov 2016 01:23:20 -0500 [thread overview]
Message-ID: <b334ae6819507e3dfc0a4b33ed974714d067eb4a.1479449716.git.len.brown@intel.com> (raw)
In-Reply-To: <20161118062321.31569-1-lenb@kernel.org>
In-Reply-To: <ad6a044e57cc75f44cc8621abe846e58f7882243.1479449716.git.len.brown@intel.com>
From: Len Brown <len.brown@intel.com>
Upon removal of the "is_idle" flag, x86_test_and_clear_bit_percpu()
is no longer used.
Signed-off-by: Len Brown <len.brown@intel.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
---
arch/x86/include/asm/percpu.h | 11 -----------
1 file changed, 11 deletions(-)
diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h
index 84f58de08c2b..9fa03604b2b3 100644
--- a/arch/x86/include/asm/percpu.h
+++ b/arch/x86/include/asm/percpu.h
@@ -507,17 +507,6 @@ do { \
#endif
-/* This is not atomic against other CPUs -- CPU preemption needs to be off */
-#define x86_test_and_clear_bit_percpu(bit, var) \
-({ \
- bool old__; \
- asm volatile("btr %2,"__percpu_arg(1)"\n\t" \
- CC_SET(c) \
- : CC_OUT(c) (old__), "+m" (var) \
- : "dIr" (bit)); \
- old__; \
-})
-
static __always_inline bool x86_this_cpu_constant_test_bit(unsigned int nr,
const unsigned long __percpu *addr)
{
--
2.11.0.rc1
next prev parent reply other threads:[~2016-11-18 6:24 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-18 6:23 [PATCH 0/5] x86: remove idle notifier Len Brown
2016-11-18 6:23 ` [PATCH 1/5] i7300_idle: remove this driver Len Brown
2016-11-18 6:23 ` [PATCH 2/5] x86: remove idle_notifier Len Brown
2016-11-18 11:19 ` [tip:x86/idle] x86/idle: Remove idle_notifier tip-bot for Len Brown
2016-12-06 16:54 ` [PATCH 2/5] x86: remove idle_notifier Pavel Machek
2016-12-07 11:46 ` Thomas Gleixner
2016-12-07 13:40 ` Pavel Machek
2016-12-08 9:18 ` Thomas Gleixner
2016-12-08 22:05 ` Pavel Machek
2016-12-08 22:53 ` Thomas Gleixner
2016-11-18 6:23 ` [PATCH 3/5] x86: remove is_idle flag Len Brown
2016-11-18 11:20 ` [tip:x86/idle] x86/idle: Remove " tip-bot for Len Brown
2016-11-18 6:23 ` Len Brown [this message]
2016-11-18 11:20 ` [tip:x86/idle] x86: Remove x86_test_and_clear_bit_percpu() tip-bot for Len Brown
2016-11-18 6:23 ` [PATCH 5/5] x86: remove enter_idle(), exit_idle() Len Brown
2016-11-18 11:21 ` [tip:x86/idle] x86/idle: Remove " tip-bot for Len Brown
2016-11-18 11:19 ` [tip:x86/idle] i7300_idle: Remove this driver tip-bot for Len Brown
2016-11-18 8:17 ` [PATCH 0/5] x86: remove idle notifier Ingo Molnar
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