[tip:core/locking] locking: Inline spinlock code for all locking variants on s390

[tip-bot for Heiko Carstens]

Commit-ID:  b62e180cae6bd82e246d871a1e44e03f8019d421
Gitweb:     http://git.kernel.org/tip/b62e180cae6bd82e246d871a1e44e03f8019d421
Author:     Heiko Carstens <heiko.carstens@xxxxxxxxxx>
AuthorDate: Mon, 31 Aug 2009 14:43:39 +0200
Committer:  Ingo Molnar <mingo@xxxxxxx>
CommitDate: Mon, 31 Aug 2009 18:08:51 +0200

locking: Inline spinlock code for all locking variants on s390

Speeds up several benchmarks in a measurable way, so inline
all spin-lock variants by default.

Signed-off-by: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
Acked-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Nick Piggin <nickpiggin@xxxxxxxxxxxx>
Cc: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Cc: Horst Hartmann <horsth@xxxxxxxxxxxxxxxxxx>
Cc: Christian Ehrhardt <ehrhardt@xxxxxxxxxxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: David Miller <davem@xxxxxxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Cc: Roman Zippel <zippel@xxxxxxxxxxxxxx>
Cc: <linux-arch@xxxxxxxxxxxxxxx>
LKML-Reference: <20090831124419.319518405@xxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>


---
 arch/s390/include/asm/spinlock.h |   29 +++++++++++++++++++++++++++++
 1 files changed, 29 insertions(+), 0 deletions(-)

diff --git a/arch/s390/include/asm/spinlock.h b/arch/s390/include/asm/spinlock.h
index c9af0d1..41ce686 100644
--- a/arch/s390/include/asm/spinlock.h
+++ b/arch/s390/include/asm/spinlock.h
@@ -191,4 +191,33 @@ static inline int __raw_write_trylock(raw_rwlock_t *rw)
 #define _raw_read_relax(lock)	cpu_relax()
 #define _raw_write_relax(lock)	cpu_relax()
 
+#define __always_inline__spin_lock
+#define __always_inline__read_lock
+#define __always_inline__write_lock
+#define __always_inline__spin_lock_bh
+#define __always_inline__read_lock_bh
+#define __always_inline__write_lock_bh
+#define __always_inline__spin_lock_irq
+#define __always_inline__read_lock_irq
+#define __always_inline__write_lock_irq
+#define __always_inline__spin_lock_irqsave
+#define __always_inline__read_lock_irqsave
+#define __always_inline__write_lock_irqsave
+#define __always_inline__spin_trylock
+#define __always_inline__read_trylock
+#define __always_inline__write_trylock
+#define __always_inline__spin_trylock_bh
+#define __always_inline__spin_unlock
+#define __always_inline__read_unlock
+#define __always_inline__write_unlock
+#define __always_inline__spin_unlock_bh
+#define __always_inline__read_unlock_bh
+#define __always_inline__write_unlock_bh
+#define __always_inline__spin_unlock_irq
+#define __always_inline__read_unlock_irq
+#define __always_inline__write_unlock_irq
+#define __always_inline__spin_unlock_irqrestore
+#define __always_inline__read_unlock_irqrestore
+#define __always_inline__write_unlock_irqrestore
+
 #endif /* __ASM_SPINLOCK_H */
--
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