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From: Heiko Carstens <heiko.carstens@de.ibm.com>
To: Andrew Morton <akpm@linux-foundation.org>,
	Ingo Molnar <mingo@elte.hu>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	David Miller <davem@davemloft.net>, Benjamin Herrenschmidt <be>
Cc: linux-arch@vger.kernel.org,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Arnd Bergmann <arnd@arndb.de>,
	Nick Piggin <nickpiggin@yahoo.com.au>,
	Martin Schwidefsky <schwidefsky@de.ibm.com>,
	Horst Hartmann <horsth@linux.vnet.ibm.com>,
	Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>,
	Heiko Carstens <heiko.carstens@de.ibm.com>
Subject: [patch 2/8] sparc: rename __spin_try_lock() and friends
Date: Sat, 29 Aug 2009 12:21:17 +0200	[thread overview]
Message-ID: <20090829102155.053354161@de.ibm.com> (raw)
In-Reply-To: 20090829102115.638224800@de.ibm.com

[-- Attachment #1: sparc.diff --]
[-- Type: text/plain, Size: 4927 bytes --]

From: Heiko Carstens <heiko.carstens@de.ibm.com>

Rename __spin_try_trylock() and friends to arch_spin_try_lock() etc.

Needed to avoid namespace conflicts when the common code function
bodies of _spin_try_lock() etc. are moved to a header file where the
function name would be __spin_try_lock().

Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
---
 arch/sparc/include/asm/spinlock_32.h |   12 ++++++------
 arch/sparc/include/asm/spinlock_64.h |   28 ++++++++++++++--------------
 2 files changed, 20 insertions(+), 20 deletions(-)

Index: linux-2.6/arch/sparc/include/asm/spinlock_32.h
===================================================================
--- linux-2.6.orig/arch/sparc/include/asm/spinlock_32.h
+++ linux-2.6/arch/sparc/include/asm/spinlock_32.h
@@ -76,7 +76,7 @@ static inline void __raw_spin_unlock(raw
  *
  * Unfortunately this scheme limits us to ~16,000,000 cpus.
  */
-static inline void __read_lock(raw_rwlock_t *rw)
+static inline void arch_read_lock(raw_rwlock_t *rw)
 {
 	register raw_rwlock_t *lp asm("g1");
 	lp = rw;
@@ -92,11 +92,11 @@ static inline void __read_lock(raw_rwloc
 #define __raw_read_lock(lock) \
 do {	unsigned long flags; \
 	local_irq_save(flags); \
-	__read_lock(lock); \
+	arch_read_lock(lock); \
 	local_irq_restore(flags); \
 } while(0)
 
-static inline void __read_unlock(raw_rwlock_t *rw)
+static inline void arch_read_unlock(raw_rwlock_t *rw)
 {
 	register raw_rwlock_t *lp asm("g1");
 	lp = rw;
@@ -112,7 +112,7 @@ static inline void __read_unlock(raw_rwl
 #define __raw_read_unlock(lock) \
 do {	unsigned long flags; \
 	local_irq_save(flags); \
-	__read_unlock(lock); \
+	arch_read_unlock(lock); \
 	local_irq_restore(flags); \
 } while(0)
 
@@ -150,7 +150,7 @@ static inline int __raw_write_trylock(ra
 	return (val == 0);
 }
 
-static inline int __read_trylock(raw_rwlock_t *rw)
+static inline int arch_read_trylock(raw_rwlock_t *rw)
 {
 	register raw_rwlock_t *lp asm("g1");
 	register int res asm("o0");
@@ -169,7 +169,7 @@ static inline int __read_trylock(raw_rwl
 ({	unsigned long flags; \
 	int res; \
 	local_irq_save(flags); \
-	res = __read_trylock(lock); \
+	res = arch_read_trylock(lock); \
 	local_irq_restore(flags); \
 	res; \
 })
Index: linux-2.6/arch/sparc/include/asm/spinlock_64.h
===================================================================
--- linux-2.6.orig/arch/sparc/include/asm/spinlock_64.h
+++ linux-2.6/arch/sparc/include/asm/spinlock_64.h
@@ -92,7 +92,7 @@ static inline void __raw_spin_lock_flags
 
 /* Multi-reader locks, these are much saner than the 32-bit Sparc ones... */
 
-static void inline __read_lock(raw_rwlock_t *lock)
+static void inline arch_read_lock(raw_rwlock_t *lock)
 {
 	unsigned long tmp1, tmp2;
 
@@ -115,7 +115,7 @@ static void inline __read_lock(raw_rwloc
 	: "memory");
 }
 
-static int inline __read_trylock(raw_rwlock_t *lock)
+static int inline arch_read_trylock(raw_rwlock_t *lock)
 {
 	int tmp1, tmp2;
 
@@ -136,7 +136,7 @@ static int inline __read_trylock(raw_rwl
 	return tmp1;
 }
 
-static void inline __read_unlock(raw_rwlock_t *lock)
+static void inline arch_read_unlock(raw_rwlock_t *lock)
 {
 	unsigned long tmp1, tmp2;
 
@@ -152,7 +152,7 @@ static void inline __read_unlock(raw_rwl
 	: "memory");
 }
 
-static void inline __write_lock(raw_rwlock_t *lock)
+static void inline arch_write_lock(raw_rwlock_t *lock)
 {
 	unsigned long mask, tmp1, tmp2;
 
@@ -177,7 +177,7 @@ static void inline __write_lock(raw_rwlo
 	: "memory");
 }
 
-static void inline __write_unlock(raw_rwlock_t *lock)
+static void inline arch_write_unlock(raw_rwlock_t *lock)
 {
 	__asm__ __volatile__(
 "	stw		%%g0, [%0]"
@@ -186,7 +186,7 @@ static void inline __write_unlock(raw_rw
 	: "memory");
 }
 
-static int inline __write_trylock(raw_rwlock_t *lock)
+static int inline arch_write_trylock(raw_rwlock_t *lock)
 {
 	unsigned long mask, tmp1, tmp2, result;
 
@@ -210,14 +210,14 @@ static int inline __write_trylock(raw_rw
 	return result;
 }
 
-#define __raw_read_lock(p)	__read_lock(p)
-#define __raw_read_lock_flags(p, f) __read_lock(p)
-#define __raw_read_trylock(p)	__read_trylock(p)
-#define __raw_read_unlock(p)	__read_unlock(p)
-#define __raw_write_lock(p)	__write_lock(p)
-#define __raw_write_lock_flags(p, f) __write_lock(p)
-#define __raw_write_unlock(p)	__write_unlock(p)
-#define __raw_write_trylock(p)	__write_trylock(p)
+#define __raw_read_lock(p)	arch_read_lock(p)
+#define __raw_read_lock_flags(p, f) arch_read_lock(p)
+#define __raw_read_trylock(p)	arch_read_trylock(p)
+#define __raw_read_unlock(p)	arch_read_unlock(p)
+#define __raw_write_lock(p)	arch_write_lock(p)
+#define __raw_write_lock_flags(p, f) arch_write_lock(p)
+#define __raw_write_unlock(p)	arch_write_unlock(p)
+#define __raw_write_trylock(p)	arch_write_trylock(p)
 
 #define __raw_read_can_lock(rw)		(!((rw)->lock & 0x80000000UL))
 #define __raw_write_can_lock(rw)	(!(rw)->lock)

-- 

WARNING: multiple messages have this Message-ID (diff)
From: Heiko Carstens <heiko.carstens@de.ibm.com>
To: Andrew Morton <akpm@linux-foundation.org>,
	Ingo Molnar <mingo@elte.hu>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	David Miller <davem@davemloft.net>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	Roman Zippel <zippel@linux-m68k.org>
Cc: linux-arch@vger.kernel.org,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Arnd Bergmann <arnd@arndb.de>,
	Nick Piggin <nickpiggin@yahoo.com.au>,
	Martin Schwidefsky <schwidefsky@de.ibm.com>,
	Horst Hartmann <horsth@linux.vnet.ibm.com>,
	Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>,
	Heiko Carstens <heiko.carstens@de.ibm.com>
Subject: [patch 2/8] sparc: rename __spin_try_lock() and friends
Date: Sat, 29 Aug 2009 12:21:17 +0200	[thread overview]
Message-ID: <20090829102155.053354161@de.ibm.com> (raw)
Message-ID: <20090829102117.6a2uIxKfbb6hv3b_TxSY6yLt01OnxWLidaB8K9CxdCA@z> (raw)
In-Reply-To: 20090829102115.638224800@de.ibm.com

[-- Attachment #1: sparc.diff --]
[-- Type: text/plain, Size: 4927 bytes --]

From: Heiko Carstens <heiko.carstens@de.ibm.com>

Rename __spin_try_trylock() and friends to arch_spin_try_lock() etc.

Needed to avoid namespace conflicts when the common code function
bodies of _spin_try_lock() etc. are moved to a header file where the
function name would be __spin_try_lock().

Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
---
 arch/sparc/include/asm/spinlock_32.h |   12 ++++++------
 arch/sparc/include/asm/spinlock_64.h |   28 ++++++++++++++--------------
 2 files changed, 20 insertions(+), 20 deletions(-)

Index: linux-2.6/arch/sparc/include/asm/spinlock_32.h
===================================================================
--- linux-2.6.orig/arch/sparc/include/asm/spinlock_32.h
+++ linux-2.6/arch/sparc/include/asm/spinlock_32.h
@@ -76,7 +76,7 @@ static inline void __raw_spin_unlock(raw
  *
  * Unfortunately this scheme limits us to ~16,000,000 cpus.
  */
-static inline void __read_lock(raw_rwlock_t *rw)
+static inline void arch_read_lock(raw_rwlock_t *rw)
 {
 	register raw_rwlock_t *lp asm("g1");
 	lp = rw;
@@ -92,11 +92,11 @@ static inline void __read_lock(raw_rwloc
 #define __raw_read_lock(lock) \
 do {	unsigned long flags; \
 	local_irq_save(flags); \
-	__read_lock(lock); \
+	arch_read_lock(lock); \
 	local_irq_restore(flags); \
 } while(0)
 
-static inline void __read_unlock(raw_rwlock_t *rw)
+static inline void arch_read_unlock(raw_rwlock_t *rw)
 {
 	register raw_rwlock_t *lp asm("g1");
 	lp = rw;
@@ -112,7 +112,7 @@ static inline void __read_unlock(raw_rwl
 #define __raw_read_unlock(lock) \
 do {	unsigned long flags; \
 	local_irq_save(flags); \
-	__read_unlock(lock); \
+	arch_read_unlock(lock); \
 	local_irq_restore(flags); \
 } while(0)
 
@@ -150,7 +150,7 @@ static inline int __raw_write_trylock(ra
 	return (val == 0);
 }
 
-static inline int __read_trylock(raw_rwlock_t *rw)
+static inline int arch_read_trylock(raw_rwlock_t *rw)
 {
 	register raw_rwlock_t *lp asm("g1");
 	register int res asm("o0");
@@ -169,7 +169,7 @@ static inline int __read_trylock(raw_rwl
 ({	unsigned long flags; \
 	int res; \
 	local_irq_save(flags); \
-	res = __read_trylock(lock); \
+	res = arch_read_trylock(lock); \
 	local_irq_restore(flags); \
 	res; \
 })
Index: linux-2.6/arch/sparc/include/asm/spinlock_64.h
===================================================================
--- linux-2.6.orig/arch/sparc/include/asm/spinlock_64.h
+++ linux-2.6/arch/sparc/include/asm/spinlock_64.h
@@ -92,7 +92,7 @@ static inline void __raw_spin_lock_flags
 
 /* Multi-reader locks, these are much saner than the 32-bit Sparc ones... */
 
-static void inline __read_lock(raw_rwlock_t *lock)
+static void inline arch_read_lock(raw_rwlock_t *lock)
 {
 	unsigned long tmp1, tmp2;
 
@@ -115,7 +115,7 @@ static void inline __read_lock(raw_rwloc
 	: "memory");
 }
 
-static int inline __read_trylock(raw_rwlock_t *lock)
+static int inline arch_read_trylock(raw_rwlock_t *lock)
 {
 	int tmp1, tmp2;
 
@@ -136,7 +136,7 @@ static int inline __read_trylock(raw_rwl
 	return tmp1;
 }
 
-static void inline __read_unlock(raw_rwlock_t *lock)
+static void inline arch_read_unlock(raw_rwlock_t *lock)
 {
 	unsigned long tmp1, tmp2;
 
@@ -152,7 +152,7 @@ static void inline __read_unlock(raw_rwl
 	: "memory");
 }
 
-static void inline __write_lock(raw_rwlock_t *lock)
+static void inline arch_write_lock(raw_rwlock_t *lock)
 {
 	unsigned long mask, tmp1, tmp2;
 
@@ -177,7 +177,7 @@ static void inline __write_lock(raw_rwlo
 	: "memory");
 }
 
-static void inline __write_unlock(raw_rwlock_t *lock)
+static void inline arch_write_unlock(raw_rwlock_t *lock)
 {
 	__asm__ __volatile__(
 "	stw		%%g0, [%0]"
@@ -186,7 +186,7 @@ static void inline __write_unlock(raw_rw
 	: "memory");
 }
 
-static int inline __write_trylock(raw_rwlock_t *lock)
+static int inline arch_write_trylock(raw_rwlock_t *lock)
 {
 	unsigned long mask, tmp1, tmp2, result;
 
@@ -210,14 +210,14 @@ static int inline __write_trylock(raw_rw
 	return result;
 }
 
-#define __raw_read_lock(p)	__read_lock(p)
-#define __raw_read_lock_flags(p, f) __read_lock(p)
-#define __raw_read_trylock(p)	__read_trylock(p)
-#define __raw_read_unlock(p)	__read_unlock(p)
-#define __raw_write_lock(p)	__write_lock(p)
-#define __raw_write_lock_flags(p, f) __write_lock(p)
-#define __raw_write_unlock(p)	__write_unlock(p)
-#define __raw_write_trylock(p)	__write_trylock(p)
+#define __raw_read_lock(p)	arch_read_lock(p)
+#define __raw_read_lock_flags(p, f) arch_read_lock(p)
+#define __raw_read_trylock(p)	arch_read_trylock(p)
+#define __raw_read_unlock(p)	arch_read_unlock(p)
+#define __raw_write_lock(p)	arch_write_lock(p)
+#define __raw_write_lock_flags(p, f) arch_write_lock(p)
+#define __raw_write_unlock(p)	arch_write_unlock(p)
+#define __raw_write_trylock(p)	arch_write_trylock(p)
 
 #define __raw_read_can_lock(rw)		(!((rw)->lock & 0x80000000UL))
 #define __raw_write_can_lock(rw)	(!(rw)->lock)

-- 

  parent reply	other threads:[~2009-08-29 10:22 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-08-29 10:21 [patch 0/8] Allow inlined spinlocks again V5 Heiko Carstens
2009-08-29 10:21 ` Heiko Carstens
2009-08-29 10:21 ` [patch 1/8] powerpc: rename __spin_try_lock() and friends Heiko Carstens
2009-08-29 10:21   ` Heiko Carstens
2009-08-29 10:21 ` Heiko Carstens [this message]
2009-08-29 10:21   ` [patch 2/8] sparc: " Heiko Carstens
2009-08-29 22:27   ` David Miller
2009-08-29 10:21 ` [patch 3/8] m68k/asm-offsets: rename pt_regs offset defines Heiko Carstens
2009-08-29 10:21   ` Heiko Carstens
2009-08-29 10:21 ` [patch 4/8] m68k/asm-offsets: rename signal defines Heiko Carstens
2009-08-29 10:21   ` Heiko Carstens
2009-08-29 10:21 ` [patch 5/8] m68k: calculate thread_info offset with asm offset Heiko Carstens
2009-08-29 10:21   ` Heiko Carstens
2009-08-29 10:21 ` [patch 6/8] spinlock: move spinlock function bodies to header file Heiko Carstens
2009-08-29 10:21   ` Heiko Carstens
2009-08-29 10:21 ` [patch 7/8] spinlock: allow inlined spinlocks Heiko Carstens
2009-08-29 10:21   ` Heiko Carstens
2009-08-29 10:21 ` [patch 8/8] spinlock: inline code for all locking variants on s390 Heiko Carstens
2009-08-29 10:21   ` Heiko Carstens
2009-08-29 11:16 ` [patch 0/8] Allow inlined spinlocks again V5 Ingo Molnar
2009-08-29 13:59   ` Heiko Carstens
2009-08-29 14:13     ` Ingo Molnar
2009-08-31  8:59       ` Heiko Carstens
2009-09-01 13:19         ` Ingo Molnar

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