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| Started by | Kenneth Lee <liguozhu@hisilicon.com> |
|---|---|
| First post | 2016-08-30 06:00 +0200 |
| Last post | 2016-08-30 06:00 +0200 |
| Articles | 1 — 1 participant |
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[PATCH] [bugfix] replace unnessary ldax with common ldr Kenneth Lee <liguozhu@hisilicon.com> - 2016-08-30 06:00 +0200
| From | Kenneth Lee <liguozhu@hisilicon.com> |
|---|---|
| Date | 2016-08-30 06:00 +0200 |
| Subject | [PATCH] [bugfix] replace unnessary ldax with common ldr |
| Message-ID | <sbInt-7UM-11@gated-at.bofh.it> |
Signed-off-by: Kenneth Lee <liguozhu@hisilicon.com> --- arch/arm64/include/asm/spinlock.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/include/asm/spinlock.h b/arch/arm64/include/asm/spinlock.h index c85e96d..3334c4f 100644 --- a/arch/arm64/include/asm/spinlock.h +++ b/arch/arm64/include/asm/spinlock.h @@ -63,7 +63,7 @@ static inline void arch_spin_lock(arch_spinlock_t *lock) */ " sevl\n" "2: wfe\n" -" ldaxrh %w2, %4\n" +" ldrh %w2, %4\n" " eor %w1, %w2, %w0, lsr #16\n" " cbnz %w1, 2b\n" /* We got the lock. Critical section starts here. */ -- 1.9.1
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