diff options
| author | Chad Reese <kreese@caviumnetworks.com> | 2017-09-15 19:31:28 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2017-10-09 14:53:56 +0200 |
| commit | 34ae9c915f9d12f1ddaa19a23fb3e8984e6a1098 (patch) | |
| tree | 3a1e3067b2d5cf36519915646c070163cbd9b778 /arch/mips/include/asm/bitops.h | |
| parent | MIPS: make thread_saved_pc static (diff) | |
| download | linux-34ae9c915f9d12f1ddaa19a23fb3e8984e6a1098.tar.xz linux-34ae9c915f9d12f1ddaa19a23fb3e8984e6a1098.zip | |
MIPS: Add nudges to writes for bit unlocks.
Flushing the writes lets other CPUs waiting for the lock to get it sooner.
Signed-off-by: Chad Reese <kreese@caviumnetworks.com>
Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/17289/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/include/asm/bitops.h')
| -rw-r--r-- | arch/mips/include/asm/bitops.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/mips/include/asm/bitops.h b/arch/mips/include/asm/bitops.h index fa57cef12a46..da1b8718861e 100644 --- a/arch/mips/include/asm/bitops.h +++ b/arch/mips/include/asm/bitops.h @@ -456,6 +456,7 @@ static inline void __clear_bit_unlock(unsigned long nr, volatile unsigned long * { smp_mb__before_llsc(); __clear_bit(nr, addr); + nudge_writes(); } /* |