summaryrefslogtreecommitdiffstats
path: root/arch/riscv/include/asm/barrier.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/riscv/include/asm/barrier.h')
-rw-r--r--arch/riscv/include/asm/barrier.h21
1 files changed, 10 insertions, 11 deletions
diff --git a/arch/riscv/include/asm/barrier.h b/arch/riscv/include/asm/barrier.h
index 1107525942..880b56d848 100644
--- a/arch/riscv/include/asm/barrier.h
+++ b/arch/riscv/include/asm/barrier.h
@@ -11,28 +11,27 @@
#define _ASM_RISCV_BARRIER_H
#ifndef __ASSEMBLY__
+#include <asm/fence.h>
#define nop() __asm__ __volatile__ ("nop")
#define __nops(n) ".rept " #n "\nnop\n.endr\n"
#define nops(n) __asm__ __volatile__ (__nops(n))
-#define RISCV_FENCE(p, s) \
- __asm__ __volatile__ ("fence " #p "," #s : : : "memory")
/* These barriers need to enforce ordering on both devices or memory. */
-#define mb() RISCV_FENCE(iorw,iorw)
-#define rmb() RISCV_FENCE(ir,ir)
-#define wmb() RISCV_FENCE(ow,ow)
+#define __mb() RISCV_FENCE(iorw, iorw)
+#define __rmb() RISCV_FENCE(ir, ir)
+#define __wmb() RISCV_FENCE(ow, ow)
/* These barriers do not need to enforce ordering on devices, just memory. */
-#define __smp_mb() RISCV_FENCE(rw,rw)
-#define __smp_rmb() RISCV_FENCE(r,r)
-#define __smp_wmb() RISCV_FENCE(w,w)
+#define __smp_mb() RISCV_FENCE(rw, rw)
+#define __smp_rmb() RISCV_FENCE(r, r)
+#define __smp_wmb() RISCV_FENCE(w, w)
#define __smp_store_release(p, v) \
do { \
compiletime_assert_atomic_type(*p); \
- RISCV_FENCE(rw,w); \
+ RISCV_FENCE(rw, w); \
WRITE_ONCE(*p, v); \
} while (0)
@@ -40,7 +39,7 @@ do { \
({ \
typeof(*p) ___p1 = READ_ONCE(*p); \
compiletime_assert_atomic_type(*p); \
- RISCV_FENCE(r,rw); \
+ RISCV_FENCE(r, rw); \
___p1; \
})
@@ -69,7 +68,7 @@ do { \
* instances the scheduler pairs this with an mb(), so nothing is necessary on
* the new hart.
*/
-#define smp_mb__after_spinlock() RISCV_FENCE(iorw,iorw)
+#define smp_mb__after_spinlock() RISCV_FENCE(iorw, iorw)
#include <asm-generic/barrier.h>