diff options
| author | Christian Borntraeger <borntraeger@de.ibm.com> | 2016-11-16 13:23:05 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-11-17 08:17:36 +0100 |
| commit | 6d0d287891a022ebba572327cbd70b5de69a63a2 (patch) | |
| tree | 0a4f40c7823a749d469536c2ef4910f58f9181a3 /arch/x86 | |
| parent | 43496d35513b25ad468bef91e51a39d61a0d8464 (diff) | |
locking/core: Provide common cpu_relax_yield() definition
No need to duplicate the same define everywhere. Since
the only user is stop-machine and the only provider is
s390, we can use a default implementation of cpu_relax_yield()
in sched.h.
Suggested-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Noam Camus <noamc@ezchip.com>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will.deacon@arm.com>
Cc: kvm@vger.kernel.org
Cc: linux-arch@vger.kernel.org
Cc: linux-s390 <linux-s390@vger.kernel.org>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: sparclinux@vger.kernel.org
Cc: virtualization@lists.linux-foundation.org
Cc: xen-devel@lists.xenproject.org
Link: http://lkml.kernel.org/r/1479298985-191589-1-git-send-email-borntraeger@de.ibm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/include/asm/processor.h | 2 | ||||
| -rw-r--r-- | arch/x86/um/asm/processor.h | 1 |
2 files changed, 0 insertions, 3 deletions
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index 7513c996f673..c84605bb2a15 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -588,8 +588,6 @@ static __always_inline void cpu_relax(void) rep_nop(); } -#define cpu_relax_yield() cpu_relax() - /* Stop speculative execution and prefetching of modified code. */ static inline void sync_core(void) { diff --git a/arch/x86/um/asm/processor.h b/arch/x86/um/asm/processor.h index b4bd63b22b7f..c77db2288982 100644 --- a/arch/x86/um/asm/processor.h +++ b/arch/x86/um/asm/processor.h @@ -26,7 +26,6 @@ static inline void rep_nop(void) } #define cpu_relax() rep_nop() -#define cpu_relax_yield() cpu_relax() #define task_pt_regs(t) (&(t)->thread.regs) |