diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2012-05-22 21:15:10 +0200 |
---|---|---|
committer | Steven Rostedt <rostedt@goodmis.org> | 2012-06-12 14:21:28 -0400 |
commit | 002636683a8da0e4ed480d13c038ee06c977d01e (patch) | |
tree | b90d8e4450ebc1917920b4e7c966ccb71d59edea | |
parent | e5bcba89face7647749907f8a5da0d10442d04a6 (diff) |
mips-remove-smp-reserve-lock.patch
Instead of making the lock raw, remove it as it protects nothing.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable-rt@vger.kernel.org
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
-rw-r--r-- | arch/mips/cavium-octeon/smp.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/arch/mips/cavium-octeon/smp.c b/arch/mips/cavium-octeon/smp.c index efcfff4d4627..86fce15bb096 100644 --- a/arch/mips/cavium-octeon/smp.c +++ b/arch/mips/cavium-octeon/smp.c @@ -257,8 +257,6 @@ DEFINE_PER_CPU(int, cpu_state); extern void fixup_irqs(void); -static DEFINE_SPINLOCK(smp_reserve_lock); - static int octeon_cpu_disable(void) { unsigned int cpu = smp_processor_id(); @@ -266,8 +264,6 @@ static int octeon_cpu_disable(void) if (cpu == 0) return -EBUSY; - spin_lock(&smp_reserve_lock); - cpu_clear(cpu, cpu_online_map); cpu_clear(cpu, cpu_callin_map); local_irq_disable(); @@ -277,8 +273,6 @@ static int octeon_cpu_disable(void) flush_cache_all(); local_flush_tlb_all(); - spin_unlock(&smp_reserve_lock); - return 0; } |