Commit 4aef66c8 authored by Peter Zijlstra's avatar Peter Zijlstra Committed by Ingo Molnar

locking/atomic, arch/arc: Fix build

Resolve conflict between commits:

  fbffe892 ("locking/atomic, arch/arc: Implement atomic_fetch_{add,sub,and,andnot,or,xor}()")

and:

  ed6aefed ("Revert "ARCv2: spinlock/rwlock/atomics: Delayed retry of failed SCOND with exponential backoff"")
Reported-by: default avatarGuenter Roeck <linux@roeck-us.net>
Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Nigel Topham <ntopham@synopsys.com>
Cc: Noam Camus <noamc@ezchip.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: linux-kernel@vger.kernel.org
Cc: linux-snps-arc@lists.infradead.org
Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
parent 86a3b5f3
......@@ -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)
......
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