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authorZongmin Zhou <zhouzongmin@kylinos.cn>2025-11-20 17:58:31 +0800
committerPaul Walmsley <pjw@kernel.org>2025-12-19 00:22:30 -0700
commitf02dd254727665cc292669194b9171bb70413346 (patch)
tree90742e6b7595730874cf6828a8832c5c44aa9d0c /arch
parent6118ebed3bdf896038f58d0d1804f551f33e8643 (diff)
downloadlinux-next-f02dd254727665cc292669194b9171bb70413346.tar.gz
linux-next-f02dd254727665cc292669194b9171bb70413346.zip
riscv/atomic.h: use RISCV_FULL_BARRIER in _arch_atomic* function.
Replace the same code with the pre-defined macro RISCV_FULL_BARRIER to simplify the code. Signed-off-by: Zongmin Zhou <zhouzongmin@kylinos.cn> Link: https://patch.msgid.link/20251120095831.64211-1-min_halo@163.com Signed-off-by: Paul Walmsley <pjw@kernel.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/riscv/include/asm/atomic.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/riscv/include/asm/atomic.h b/arch/riscv/include/asm/atomic.h
index 5b96c2f61adb..3f33dc54f94b 100644
--- a/arch/riscv/include/asm/atomic.h
+++ b/arch/riscv/include/asm/atomic.h
@@ -203,7 +203,7 @@ ATOMIC_OPS(xor, xor, i)
" add %[rc], %[p], %[a]\n" \
" sc." sfx ".rl %[rc], %[rc], %[c]\n" \
" bnez %[rc], 0b\n" \
- " fence rw, rw\n" \
+ RISCV_FULL_BARRIER \
"1:\n" \
: [p]"=&r" (_prev), [rc]"=&r" (_rc), [c]"+A" (counter) \
: [a]"r" (_a), [u]"r" (_u) \
@@ -242,7 +242,7 @@ static __always_inline s64 arch_atomic64_fetch_add_unless(atomic64_t *v, s64 a,
" addi %[rc], %[p], 1\n" \
" sc." sfx ".rl %[rc], %[rc], %[c]\n" \
" bnez %[rc], 0b\n" \
- " fence rw, rw\n" \
+ RISCV_FULL_BARRIER \
"1:\n" \
: [p]"=&r" (_prev), [rc]"=&r" (_rc), [c]"+A" (counter) \
: \
@@ -268,7 +268,7 @@ static __always_inline bool arch_atomic_inc_unless_negative(atomic_t *v)
" addi %[rc], %[p], -1\n" \
" sc." sfx ".rl %[rc], %[rc], %[c]\n" \
" bnez %[rc], 0b\n" \
- " fence rw, rw\n" \
+ RISCV_FULL_BARRIER \
"1:\n" \
: [p]"=&r" (_prev), [rc]"=&r" (_rc), [c]"+A" (counter) \
: \
@@ -294,7 +294,7 @@ static __always_inline bool arch_atomic_dec_unless_positive(atomic_t *v)
" bltz %[rc], 1f\n" \
" sc." sfx ".rl %[rc], %[rc], %[c]\n" \
" bnez %[rc], 0b\n" \
- " fence rw, rw\n" \
+ RISCV_FULL_BARRIER \
"1:\n" \
: [p]"=&r" (_prev), [rc]"=&r" (_rc), [c]"+A" (counter) \
: \