From: Heiko Carstens <heiko.carstens@de.ibm.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Ingo Molnar <mingo@elte.hu>,
linux-arch@vger.kernel.org,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
Arnd Bergmann <arnd@arndb.de>,
Horst Hartmann <horsth@linux.vnet.ibm.com>,
Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>,
Nick Piggin <nickpiggin@yahoo.com.au>
Subject: [patch 3/3] spinlock: inline code for all locking variants on s390
Date: Fri, 14 Aug 2009 14:58:04 +0200 [thread overview]
Message-ID: <20090814125857.734010997@de.ibm.com> (raw)
In-Reply-To: 20090814125801.881618121@de.ibm.com
[-- Attachment #1: 03_spinlock_s390.diff --]
[-- Type: text/plain, Size: 1851 bytes --]
From: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
---
arch/s390/include/asm/spinlock.h | 34 ++++++++++++++++++++++++++++++++++
include/linux/spinlock_api_smp.h | 2 +-
2 files changed, 35 insertions(+), 1 deletion(-)
Index: linux-2.6/arch/s390/include/asm/spinlock.h
===================================================================
--- linux-2.6.orig/arch/s390/include/asm/spinlock.h
+++ linux-2.6/arch/s390/include/asm/spinlock.h
@@ -191,4 +191,38 @@ static inline int __raw_write_trylock(ra
#define _raw_read_relax(lock) cpu_relax()
#define _raw_write_relax(lock) cpu_relax()
+#if defined(CONFIG_SMP) && !defined(CONFIG_PREEMPT) && \
+ !defined(CONFIG_DEBUG_SPINLOCK)
+
+#define __spin_lock_is_small
+#define __read_lock_is_small
+#define __write_lock_is_small
+#define __spin_lock_bh_is_small
+#define __read_lock_bh_is_small
+#define __write_lock_bh_is_small
+#define __spin_lock_irq_is_small
+#define __read_lock_irq_is_small
+#define __write_lock_irq_is_small
+#define __spin_lock_irqsave_is_small
+#define __read_lock_irqsave_is_small
+#define __write_lock_irqsave_is_small
+#define __spin_trylock_is_small
+#define __read_trylock_is_small
+#define __write_trylock_is_small
+#define __spin_trylock_bh_is_small
+#define __spin_unlock_is_small
+#define __read_unlock_is_small
+#define __write_unlock_is_small
+#define __spin_unlock_bh_is_small
+#define __read_unlock_bh_is_small
+#define __write_unlock_bh_is_small
+#define __spin_unlock_irq_is_small
+#define __read_unlock_irq_is_small
+#define __write_unlock_irq_is_small
+#define __spin_unlock_irqrestore_is_small
+#define __read_unlock_irqrestore_is_small
+#define __write_unlock_irqrestore_is_small
+
+#endif /* defined(SMP) && !defined(PREEMPT) && !defined(DEBUG_SPINLOCK) */
+
#endif /* __ASM_SPINLOCK_H */
--
prev parent reply other threads:[~2009-08-14 12:59 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-14 12:58 [patch 0/3] Allow inlined spinlocks again V4 Heiko Carstens
2009-08-14 12:58 ` [patch 1/3] spinlock: move spinlock function bodies to header file Heiko Carstens
2009-08-14 12:58 ` [patch 2/3] spinlock: allow inlined spinlocks Heiko Carstens
2009-08-16 17:57 ` Heiko Carstens
2009-08-16 18:06 ` Ingo Molnar
2009-08-16 18:43 ` Linus Torvalds
2009-08-16 20:24 ` Ingo Molnar
2009-08-16 21:07 ` Linus Torvalds
2009-08-16 21:18 ` Ingo Molnar
2009-08-16 18:44 ` Heiko Carstens
2009-08-16 20:48 ` Ingo Molnar
2009-08-16 21:33 ` Heiko Carstens
2009-08-16 21:36 ` Ingo Molnar
2009-08-16 18:22 ` Linus Torvalds
2009-08-17 15:46 ` Heiko Carstens
2009-08-14 12:58 ` Heiko Carstens [this message]
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