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Date:   Mon, 3 Jun 2019 06:43:17 -0700
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Subject: [tip:locking/core] locking/atomic, sparc: Use s64 for atomic64
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Commit-ID:  04e8851af767153c0878cc79ce30c0d8806eec43
Gitweb:     https://git.kernel.org/tip/04e8851af767153c0878cc79ce30c0d8806eec43
Author:     Mark Rutland <mark.rutland@arm.com>
AuthorDate: Wed, 22 May 2019 14:22:46 +0100
Committer:  Ingo Molnar <mingo@kernel.org>
CommitDate: Mon, 3 Jun 2019 12:32:56 +0200

locking/atomic, sparc: Use s64 for atomic64

As a step towards making the atomic64 API use consistent types treewide,
let's have the sparc atomic64 implementation use s64 as the underlying
type for atomic64_t, rather than long, matching the generated headers.

As atomic64_read() depends on the generic defintion of atomic64_t, this
still returns long. This will be converted in a subsequent patch.

Otherwise, there should be no functional change as a result of this patch.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will.deacon@arm.com>
Cc: aou@eecs.berkeley.edu
Cc: arnd@arndb.de
Cc: bp@alien8.de
Cc: catalin.marinas@arm.com
Cc: fenghua.yu@intel.com
Cc: heiko.carstens@de.ibm.com
Cc: herbert@gondor.apana.org.au
Cc: ink@jurassic.park.msu.ru
Cc: jhogan@kernel.org
Cc: linux@armlinux.org.uk
Cc: mattst88@gmail.com
Cc: mpe@ellerman.id.au
Cc: palmer@sifive.com
Cc: paul.burton@mips.com
Cc: paulus@samba.org
Cc: ralf@linux-mips.org
Cc: rth@twiddle.net
Cc: tony.luck@intel.com
Cc: vgupta@synopsys.com
Link: https://lkml.kernel.org/r/20190522132250.26499-15-mark.rutland@arm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
 arch/sparc/include/asm/atomic_64.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/sparc/include/asm/atomic_64.h b/arch/sparc/include/asm/atomic_64.h
index 6963482c81d8..b60448397d4f 100644
--- a/arch/sparc/include/asm/atomic_64.h
+++ b/arch/sparc/include/asm/atomic_64.h
@@ -23,15 +23,15 @@
 
 #define ATOMIC_OP(op)							\
 void atomic_##op(int, atomic_t *);					\
-void atomic64_##op(long, atomic64_t *);
+void atomic64_##op(s64, atomic64_t *);
 
 #define ATOMIC_OP_RETURN(op)						\
 int atomic_##op##_return(int, atomic_t *);				\
-long atomic64_##op##_return(long, atomic64_t *);
+s64 atomic64_##op##_return(s64, atomic64_t *);
 
 #define ATOMIC_FETCH_OP(op)						\
 int atomic_fetch_##op(int, atomic_t *);					\
-long atomic64_fetch_##op(long, atomic64_t *);
+s64 atomic64_fetch_##op(s64, atomic64_t *);
 
 #define ATOMIC_OPS(op) ATOMIC_OP(op) ATOMIC_OP_RETURN(op) ATOMIC_FETCH_OP(op)
 
@@ -61,7 +61,7 @@ static inline int atomic_xchg(atomic_t *v, int new)
 	((__typeof__((v)->counter))cmpxchg(&((v)->counter), (o), (n)))
 #define atomic64_xchg(v, new) (xchg(&((v)->counter), new))
 
-long atomic64_dec_if_positive(atomic64_t *v);
+s64 atomic64_dec_if_positive(atomic64_t *v);
 #define atomic64_dec_if_positive atomic64_dec_if_positive
 
 #endif /* !(__ARCH_SPARC64_ATOMIC__) */