linux-kernel - [tip:locking/core] locking/cmpxchg, arch: Remove tas() definitions

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Message-ID: <tip-fbd35c0d2fb41b75863a0e45fe939c8440375b0a@git.kernel.org>
Date:	Fri, 4 Dec 2015 04:01:18 -0800
From:	tip-bot for Davidlohr Bueso <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-arch@...r.kernel.org, cmetcalf@...hip.com, realmz6@...il.com,
	a-jacquiot@...com, linux-kernel@...r.kernel.org, dbueso@...e.de,
	torvalds@...ux-foundation.org, tglx@...utronix.de,
	dave@...olabs.net, hpa@...or.com, peterz@...radead.org,
	paulmck@...ux.vnet.ibm.com, akpm@...ux-foundation.org,
	mingo@...nel.org
Subject: [tip:locking/core] locking/cmpxchg, arch: Remove tas()
  definitions

Commit-ID:  fbd35c0d2fb41b75863a0e45fe939c8440375b0a
Gitweb:     http://git.kernel.org/tip/fbd35c0d2fb41b75863a0e45fe939c8440375b0a
Author:     Davidlohr Bueso <dave@...olabs.net>
AuthorDate: Tue, 27 Oct 2015 12:53:48 -0700
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Fri, 4 Dec 2015 11:39:51 +0100

locking/cmpxchg, arch: Remove tas() definitions

It seems that commit 5dc12ddee93 ("Remove tas()") missed some files.
Correct this and fully drop this macro, for which we should be using
cmpxchg() like calls.

Signed-off-by: Davidlohr Bueso <dbueso@...e.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Cc: <linux-arch@...r.kernel.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Aurelien Jacquiot <a-jacquiot@...com>
Cc: Chris Metcalf <cmetcalf@...hip.com>
Cc: David Howells <dhowells@re hat.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Steven Miao <realmz6@...il.com>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: dave@...olabs.net
Link: http://lkml.kernel.org/r/1445975631-17047-2-git-send-email-dave@stgolabs.net
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/blackfin/include/asm/cmpxchg.h | 1 -
 arch/c6x/include/asm/cmpxchg.h      | 2 --
 arch/frv/include/asm/cmpxchg.h      | 2 --
 arch/tile/include/asm/cmpxchg.h     | 2 --
 4 files changed, 7 deletions(-)

diff --git a/arch/blackfin/include/asm/cmpxchg.h b/arch/blackfin/include/asm/cmpxchg.h
index c05868c..2539288 100644
--- a/arch/blackfin/include/asm/cmpxchg.h
+++ b/arch/blackfin/include/asm/cmpxchg.h
@@ -128,6 +128,5 @@ static inline unsigned long __xchg(unsigned long x, volatile void *ptr,
 #endif /* !CONFIG_SMP */
 
 #define xchg(ptr, x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x), (ptr), sizeof(*(ptr))))
-#define tas(ptr) ((void)xchg((ptr), 1))
 
 #endif /* __ARCH_BLACKFIN_CMPXCHG__ */
diff --git a/arch/c6x/include/asm/cmpxchg.h b/arch/c6x/include/asm/cmpxchg.h
index b27c8ce..93d0a5a 100644
--- a/arch/c6x/include/asm/cmpxchg.h
+++ b/arch/c6x/include/asm/cmpxchg.h
@@ -47,8 +47,6 @@ static inline unsigned int __xchg(unsigned int x, volatile void *ptr, int size)
 #define xchg(ptr, x) \
 	((__typeof__(*(ptr)))__xchg((unsigned int)(x), (void *) (ptr), \
 				    sizeof(*(ptr))))
-#define tas(ptr)    xchg((ptr), 1)
-
 
 #include <asm-generic/cmpxchg-local.h>
 
diff --git a/arch/frv/include/asm/cmpxchg.h b/arch/frv/include/asm/cmpxchg.h
index 5b04dd0..a899765 100644
--- a/arch/frv/include/asm/cmpxchg.h
+++ b/arch/frv/include/asm/cmpxchg.h
@@ -69,8 +69,6 @@ extern uint32_t __xchg_32(uint32_t i, volatile void *v);
 
 #endif
 
-#define tas(ptr) (xchg((ptr), 1))
-
 /*****************************************************************************/
 /*
  * compare and conditionally exchange value with memory
diff --git a/arch/tile/include/asm/cmpxchg.h b/arch/tile/include/asm/cmpxchg.h
index 0ccda3c..25d5899 100644
--- a/arch/tile/include/asm/cmpxchg.h
+++ b/arch/tile/include/asm/cmpxchg.h
@@ -127,8 +127,6 @@ long long _atomic64_cmpxchg(long long *v, long long o, long long n);
 
 #endif
 
-#define tas(ptr) xchg((ptr), 1)
-
 #endif /* __ASSEMBLY__ */
 
 #endif /* _ASM_TILE_CMPXCHG_H */
--
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