Commit-ID: 4aef66c8ae91d00affeeb24cfb176b53354ac969
Gitweb: http://git.kernel.org/tip/4aef66c8ae91d00affeeb24cfb176b53354ac969
Author: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
AuthorDate: Fri, 17 Jun 2016 17:02:01 +0200
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Mon, 20 Jun 2016 11:25:49 +0200
locking/atomic, arch/arc: Fix build
Resolve conflict between commits:
fbffe892e525 ("locking/atomic, arch/arc: Implement atomic_fetch_{add,sub,and,andnot,or,xor}()")
and:
ed6aefed726a ("Revert "ARCv2: spinlock/rwlock/atomics: Delayed retry of failed SCOND with exponential backoff"")
Reported-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Nigel Topham <ntopham@xxxxxxxxxxxx>
Cc: Noam Camus <noamc@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Vineet Gupta <vgupta@xxxxxxxxxxxx>
Cc: linux-kernel@xxxxxxxxxxxxxxx
Cc: linux-snps-arc@xxxxxxxxxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
arch/arc/include/asm/atomic.h | 8 --------
1 file changed, 8 deletions(-)
diff --git a/arch/arc/include/asm/atomic.h b/arch/arc/include/asm/atomic.h
index bd9c51c..4e3c1b6 100644
--- a/arch/arc/include/asm/atomic.h
+++ b/arch/arc/include/asm/atomic.h
@@ -71,7 +71,6 @@ static inline int atomic_##op##_return(int i, atomic_t *v) \
static inline int atomic_fetch_##op(int i, atomic_t *v) \
{ \
unsigned int val, orig; \
- SCOND_FAIL_RETRY_VAR_DEF \
\
/* \
* Explicit full memory barrier needed before/after as \
@@ -84,11 +83,8 @@ static inline int atomic_fetch_##op(int i, atomic_t *v) \
" " #asm_op " %[val], %[orig], %[i] \n" \
" scond %[val], [%[ctr]] \n" \
" \n" \
- SCOND_FAIL_RETRY_ASM \
- \
: [val] "=&r" (val), \
[orig] "=&r" (orig) \
- SCOND_FAIL_RETRY_VARS \
: [ctr] "r" (&v->counter), \
[i] "ir" (i) \
: "cc"); \
@@ -199,10 +195,6 @@ ATOMIC_OPS(andnot, &= ~, bic)
ATOMIC_OPS(or, |=, or)
ATOMIC_OPS(xor, ^=, xor)
-#undef SCOND_FAIL_RETRY_VAR_DEF
-#undef SCOND_FAIL_RETRY_ASM
-#undef SCOND_FAIL_RETRY_VARS
-
#else /* CONFIG_ARC_PLAT_EZNPS */
static inline int atomic_read(const atomic_t *v)
--
To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
|