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Groups > linux.kernel > #1525201
| From | tip-bot for Len Brown <tipbot@zytor.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [tip:x86/idle] x86: Remove x86_test_and_clear_bit_percpu() |
| Date | 2016-11-18 12:30 +0100 |
| Message-ID | <sEPwK-6s7-27@gated-at.bofh.it> (permalink) |
| References | <sEKQp-3ri-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Commit-ID: 9694be731dc81fec5ad59e863fa6538878ac496a
Gitweb: http://git.kernel.org/tip/9694be731dc81fec5ad59e863fa6538878ac496a
Author: Len Brown <len.brown@intel.com>
AuthorDate: Fri, 18 Nov 2016 01:23:20 -0500
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitDate: Fri, 18 Nov 2016 12:07:57 +0100
x86: Remove x86_test_and_clear_bit_percpu()
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: Ingo Molnar <mingo@kernel.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: http://lkml.kernel.org/r/b334ae6819507e3dfc0a4b33ed974714d067eb4a.1479449716.git.len.brown@intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
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 84f58de..9fa0360 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)
{
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[PATCH 0/5] x86: remove idle notifier Len Brown <lenb@kernel.org> - 2016-11-18 07:30 +0100
[PATCH 4/5] x86: remove x86_test_and_clear_bit_percpu() Len Brown <lenb@kernel.org> - 2016-11-18 07:30 +0100
[tip:x86/idle] x86: Remove x86_test_and_clear_bit_percpu() tip-bot for Len Brown <tipbot@zytor.com> - 2016-11-18 12:30 +0100
[PATCH 3/5] x86: remove is_idle flag Len Brown <lenb@kernel.org> - 2016-11-18 07:30 +0100
[tip:x86/idle] x86/idle: Remove is_idle flag tip-bot for Len Brown <tipbot@zytor.com> - 2016-11-18 12:30 +0100
[PATCH 5/5] x86: remove enter_idle(), exit_idle() Len Brown <lenb@kernel.org> - 2016-11-18 07:30 +0100
[tip:x86/idle] x86/idle: Remove enter_idle(), exit_idle() tip-bot for Len Brown <tipbot@zytor.com> - 2016-11-18 12:30 +0100
[PATCH 2/5] x86: remove idle_notifier Len Brown <lenb@kernel.org> - 2016-11-18 07:30 +0100
[tip:x86/idle] x86/idle: Remove idle_notifier tip-bot for Len Brown <tipbot@zytor.com> - 2016-11-18 12:30 +0100
[PATCH 1/5] i7300_idle: remove this driver Len Brown <lenb@kernel.org> - 2016-11-18 07:30 +0100
[tip:x86/idle] i7300_idle: Remove this driver tip-bot for Len Brown <tipbot@zytor.com> - 2016-11-18 12:30 +0100
Re: [PATCH 0/5] x86: remove idle notifier Ingo Molnar <mingo@kernel.org> - 2016-11-18 09:20 +0100
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