diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2012-05-22 21:15:10 +0200 |
---|---|---|
committer | Steven Rostedt <rostedt@goodmis.org> | 2012-06-19 13:52:07 -0400 |
commit | 156e4e62c1be6df2f0c7496c9e497254386b94c3 (patch) | |
tree | 35d039b0d1dd8d3a2fffde8abcf9dbe9e2b505a2 | |
parent | 987f0477bf5c8892d8b23b419229b2583c26bb69 (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; } |