Commit-ID: 9bf6ffdabdd6e70a0b69d032a0aff091afe1773e Gitweb: http://git.kernel.org/tip/9bf6ffdabdd6e70a0b69d032a0aff091afe1773e Author: Peter Zijlstra <peterz@xxxxxxxxxxxxx> AuthorDate: Fri, 26 Aug 2016 15:06:04 +0200 Committer: Ingo Molnar <mingo@xxxxxxxxxx> CommitDate: Thu, 22 Sep 2016 14:47:02 +0200 locking/atomic, arch/sh: Fix ATOMIC_FETCH_OP() We cannot use the "z" constraint twice, since its a single register (r0). Change the one not used by movli.l/movco.l to "r". Reported-by: Fengguang Wu <fengguang.wu@xxxxxxxxx> Tested-by: Fengguang Wu <fengguang.wu@xxxxxxxxx> Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx> Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Cc: Rich Felker <dalias@xxxxxxxx> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Cc: Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx> --- arch/sh/include/asm/atomic-llsc.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/sh/include/asm/atomic-llsc.h b/arch/sh/include/asm/atomic-llsc.h index caea2c4..1d159ce 100644 --- a/arch/sh/include/asm/atomic-llsc.h +++ b/arch/sh/include/asm/atomic-llsc.h @@ -60,7 +60,7 @@ static inline int atomic_fetch_##op(int i, atomic_t *v) \ " movco.l %0, @%3 \n" \ " bf 1b \n" \ " synco \n" \ - : "=&z" (temp), "=&z" (res) \ + : "=&z" (temp), "=&r" (res) \ : "r" (i), "r" (&v->counter) \ : "t"); \ \ -- 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
|