diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2012-05-22 21:15:10 +0200 |
|---|---|---|
| committer | Steven Rostedt <rostedt@rostedt.homelinux.com> | 2013-02-14 12:34:40 -0500 |
| commit | de40c84067da07e81797d2368c3e29e75accd548 (patch) | |
| tree | 80688a6a3762106da87a076296ccd8db7f1c8066 | |
| parent | 303a267962048a2ee50fdf1d72974d38530525f8 (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; } |