diff options
| author | Eric Chan <ericchancf@google.com> | 2024-02-17 13:13:16 +0000 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@rivosinc.com> | 2024-03-19 18:52:24 -0700 |
| commit | c85688e2b0f0afbce7ea3cd8c47f2be67c09b9f4 (patch) | |
| tree | 72f1f508a0cb61c6e79fd55dcf50eb726f299f18 /arch/riscv/include/asm/mmiowb.h | |
| parent | b3c8064ccc447be45a3bdc2c4a9ea0491f011920 (diff) | |
riscv/barrier: Consolidate fence definitions
Disparate fence implementations are consolidated into fence.h.
Also introduce RISCV_FENCE_ASM to make fence macro more reusable.
Signed-off-by: Eric Chan <ericchancf@google.com>
Reviewed-by: Andrea Parri <parri.andrea@gmail.com>
Reviewed-by: Samuel Holland <samuel.holland@sifive.com>
Tested-by: Samuel Holland <samuel.holland@sifive.com>
Link: https://lore.kernel.org/r/20240217131316.3668927-1-ericchancf@google.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'arch/riscv/include/asm/mmiowb.h')
| -rw-r--r-- | arch/riscv/include/asm/mmiowb.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/riscv/include/asm/mmiowb.h b/arch/riscv/include/asm/mmiowb.h index 0b2333e71fdc..52ce4a399d9b 100644 --- a/arch/riscv/include/asm/mmiowb.h +++ b/arch/riscv/include/asm/mmiowb.h @@ -7,7 +7,7 @@ * "o,w" is sufficient to ensure that all writes to the device have completed * before the write to the spinlock is allowed to commit. */ -#define mmiowb() __asm__ __volatile__ ("fence o,w" : : : "memory"); +#define mmiowb() RISCV_FENCE(o, w) #include <linux/smp.h> #include <asm-generic/mmiowb.h> |