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authorPalmer Dabbelt <palmer@rivosinc.com>2024-03-19 18:52:27 -0700
committerPalmer Dabbelt <palmer@rivosinc.com>2024-03-20 08:56:12 -0700
commitcd6c916ccf21bb4c16367493541192e0f3a19278 (patch)
treeed86e64f3f0630cfaad02a360fe731f80e8f1889 /arch/riscv/include/asm/cmpxchg.h
parentc70dfa4a2723ff5046fdc6d8a054713483f64f1b (diff)
parent9133e6e6908d95812e89619f8a86abd0deb17bf3 (diff)
downloadlinux-cd6c916ccf21bb4c16367493541192e0f3a19278.tar.gz
Merge patch series "riscv/barrier: tidying up barrier-related macro"
Eric Chan <ericchancf@google.com> says: This series makes barrier-related macro more neat and clear. This is a follow-up to [0-3], change to multiple patches, for readability, create new message thread. [0](v1/v2) https://lore.kernel.org/lkml/20240209125048.4078639-1-ericchancf@google.com/ [1] (v3) https://lore.kernel.org/lkml/20240213142856.2416073-1-ericchancf@google.com/ [2] (v4) https://lore.kernel.org/lkml/20240213200923.2547570-1-ericchancf@google.com/ [4] (v5) https://lore.kernel.org/lkml/20240213223810.2595804-1-ericchancf@google.com/ * b4-shazam-merge: riscv/barrier: Add missing space after ',' riscv/barrier: Consolidate fence definitions riscv/barrier: Define RISCV_FULL_BARRIER riscv/barrier: Define __{mb,rmb,wmb} Link: https://lore.kernel.org/r/20240217131206.3667544-1-ericchancf@google.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'arch/riscv/include/asm/cmpxchg.h')
-rw-r--r--arch/riscv/include/asm/cmpxchg.h5
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/riscv/include/asm/cmpxchg.h b/arch/riscv/include/asm/cmpxchg.h
index 2f4726d3cfcc2..2fee65cc84432 100644
--- a/arch/riscv/include/asm/cmpxchg.h
+++ b/arch/riscv/include/asm/cmpxchg.h
@@ -8,7 +8,6 @@
#include <linux/bug.h>
-#include <asm/barrier.h>
#include <asm/fence.h>
#define __xchg_relaxed(ptr, new, size) \
@@ -313,7 +312,7 @@
" bne %0, %z3, 1f\n" \
" sc.w.rl %1, %z4, %2\n" \
" bnez %1, 0b\n" \
- " fence rw, rw\n" \
+ RISCV_FULL_BARRIER \
"1:\n" \
: "=&r" (__ret), "=&r" (__rc), "+A" (*__ptr) \
: "rJ" ((long)__old), "rJ" (__new) \
@@ -325,7 +324,7 @@
" bne %0, %z3, 1f\n" \
" sc.d.rl %1, %z4, %2\n" \
" bnez %1, 0b\n" \
- " fence rw, rw\n" \
+ RISCV_FULL_BARRIER \
"1:\n" \
: "=&r" (__ret), "=&r" (__rc), "+A" (*__ptr) \
: "rJ" (__old), "rJ" (__new) \