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Diffstat (limited to 'arch/arm64/lib/bitops.S')
-rw-r--r--arch/arm64/lib/bitops.S3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm64/lib/bitops.S b/arch/arm64/lib/bitops.S
index e5db797790d3..7dac371cc9a2 100644
--- a/arch/arm64/lib/bitops.S
+++ b/arch/arm64/lib/bitops.S
@@ -46,11 +46,12 @@ ENTRY(	\name	)
 	mov	x2, #1
 	add	x1, x1, x0, lsr #3	// Get word offset
 	lsl	x4, x2, x3		// Create mask
-1:	ldaxr	x2, [x1]
+1:	ldxr	x2, [x1]
 	lsr	x0, x2, x3		// Save old value of bit
 	\instr	x2, x2, x4		// toggle bit
 	stlxr	w5, x2, [x1]
 	cbnz	w5, 1b
+	dmb	ish
 	and	x0, x0, #1
 3:	ret
 ENDPROC(\name	)