| From 5bb01e78e191f77d33d59d3ab394dd0e47644b4d Mon Sep 17 00:00:00 2001 |
| From: Thomas Gleixner <tglx@linutronix.de> |
| Date: Tue, 22 May 2012 21:15:10 +0200 |
| Subject: [PATCH 244/262] 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 |
| --- |
| 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 97e7ce9..4b93048 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); |
| - |
| set_cpu_online(cpu, false); |
| 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; |
| } |
| |
| -- |
| 1.7.10.4 |
| |
