[PATCH RT 3/4] mips-remove-smp-reserve-lock.patch
From: Steven Rostedt <rostedt@goodmis.org>
Date: 2012-06-07 15:43:27
Also in:
lkml
Subsystem:
mips, the rest · Maintainers:
Thomas Bogendoerfer, Linus Torvalds
From: Thomas Gleixner <redacted> Instead of making the lock raw, remove it as it protects nothing. Signed-off-by: Thomas Gleixner <redacted> Cc: stable-rt@vger.kernel.org Signed-off-by: Steven Rostedt <rostedt@goodmis.org> --- arch/mips/cavium-octeon/smp.c | 6 ------ 1 file changed, 6 deletions(-)
diff --git a/arch/mips/cavium-octeon/smp.c b/arch/mips/cavium-octeon/smp.c
index efcfff4..86fce15 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; }
--
1.7.10