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| author | Huacai Chen <chenhuacai@loongson.cn> | 2022-05-31 13:04:12 +0300 |
|---|---|---|
| committer | Huacai Chen <chenhuacai@loongson.cn> | 2022-06-03 15:09:29 +0300 |
| commit | 46859ac8af52ae599e1b51992ddef3eb43f295fc (patch) | |
| tree | c1e6640316d5d8748bea046b71d2260b81cbe314 /arch/loongarch/include/asm/futex.h | |
| parent | c6b99bed6b8f3255bd2f65a8e606352e0e638ad0 (diff) | |
| download | linux-46859ac8af52ae599e1b51992ddef3eb43f295fc.tar.xz | |
LoongArch: Add multi-processor (SMP) support
LoongArch-based procesors have 4, 8 or 16 cores per package. This patch
adds multi-processor (SMP) support for LoongArch.
Reviewed-by: WANG Xuerui <git@xen0n.name>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Diffstat (limited to 'arch/loongarch/include/asm/futex.h')
| -rw-r--r-- | arch/loongarch/include/asm/futex.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/loongarch/include/asm/futex.h b/arch/loongarch/include/asm/futex.h index b27d55f92db7..9de8231694ec 100644 --- a/arch/loongarch/include/asm/futex.h +++ b/arch/loongarch/include/asm/futex.h @@ -86,6 +86,7 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, u32 oldval, u32 newv "2: sc.w $t0, %2 \n" " beq $zero, $t0, 1b \n" "3: \n" + __WEAK_LLSC_MB " .section .fixup,\"ax\" \n" "4: li.d %0, %6 \n" " b 3b \n" |