diff options
| author | Wang Xuerui <git@xen0n.name> | 2020-01-23 12:04:09 +0800 |
|---|---|---|
| committer | Paul Burton <paulburton@kernel.org> | 2020-01-23 10:21:53 -0800 |
| commit | 3e86460ebe2340df6a33b35a55312cc369bdcbd0 (patch) | |
| tree | 84f59a964ecc6dba1eefd290713426106069acc4 /arch/mips/include/asm | |
| parent | c9444384f0d5cfdbd4ed165b17e53e1537e109cc (diff) | |
MIPS: asm: local: add barriers for Loongson
Somehow these LL/SC usages are not taken care of, breaking Loongson
builds. Add the SYNCs appropriately.
Signed-off-by: Wang Xuerui <git@xen0n.name>
Signed-off-by: Paul Burton <paulburton@kernel.org>
Cc: linux-mips@vger.kernel.org
Cc: Huacai Chen <chenhc@lemote.com>
Cc: Jiaxun Yang <jiaxun.yang@flygoat.com>
Cc: <stable@vger.kernel.org> # v5.5+
Diffstat (limited to 'arch/mips/include/asm')
| -rw-r--r-- | arch/mips/include/asm/local.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/mips/include/asm/local.h b/arch/mips/include/asm/local.h index 02783e141c32..fef0fda8f82f 100644 --- a/arch/mips/include/asm/local.h +++ b/arch/mips/include/asm/local.h @@ -37,6 +37,7 @@ static __inline__ long local_add_return(long i, local_t * l) __asm__ __volatile__( " .set push \n" " .set arch=r4000 \n" + __SYNC(full, loongson3_war) " \n" "1:" __LL "%1, %2 # local_add_return \n" " addu %0, %1, %3 \n" __SC "%0, %2 \n" @@ -52,6 +53,7 @@ static __inline__ long local_add_return(long i, local_t * l) __asm__ __volatile__( " .set push \n" " .set "MIPS_ISA_ARCH_LEVEL" \n" + __SYNC(full, loongson3_war) " \n" "1:" __LL "%1, %2 # local_add_return \n" " addu %0, %1, %3 \n" __SC "%0, %2 \n" @@ -84,6 +86,7 @@ static __inline__ long local_sub_return(long i, local_t * l) __asm__ __volatile__( " .set push \n" " .set arch=r4000 \n" + __SYNC(full, loongson3_war) " \n" "1:" __LL "%1, %2 # local_sub_return \n" " subu %0, %1, %3 \n" __SC "%0, %2 \n" @@ -99,6 +102,7 @@ static __inline__ long local_sub_return(long i, local_t * l) __asm__ __volatile__( " .set push \n" " .set "MIPS_ISA_ARCH_LEVEL" \n" + __SYNC(full, loongson3_war) " \n" "1:" __LL "%1, %2 # local_sub_return \n" " subu %0, %1, %3 \n" __SC "%0, %2 \n" |