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| author | Ralf Baechle <ralf@linux-mips.org> | 2012-05-17 22:52:29 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2012-05-17 22:52:29 +0200 |
| commit | a3c8b4faeeccb33dbad6969bc9e50bf409f167e7 (patch) | |
| tree | 333d1e3a8029f57c2c28e782764c8dbf446d28e6 /arch/mips/cavium-octeon/smp.c | |
| parent | MIPS: Move cache setup to setup_arch(). (diff) | |
| download | linux-a3c8b4faeeccb33dbad6969bc9e50bf409f167e7.tar.xz linux-a3c8b4faeeccb33dbad6969bc9e50bf409f167e7.zip | |
MIPS: Cavium: Remove smp_reserve_lock.
There is nothing that is protected by this lock and it's getting in the
way of RT.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/cavium-octeon/smp.c')
| -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 97e7ce9b50ed..4b93048044eb 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; } |