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authorThomas Gleixner <tglx@linutronix.de>2012-05-22 21:15:10 +0200
committerSteven Rostedt <rostedt@goodmis.org>2012-06-19 13:52:07 -0400
commit156e4e62c1be6df2f0c7496c9e497254386b94c3 (patch)
tree35d039b0d1dd8d3a2fffde8abcf9dbe9e2b505a2
parent987f0477bf5c8892d8b23b419229b2583c26bb69 (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.c6
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;
}