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| author | David S. Miller <davem@davemloft.net> | 2008-09-03 02:14:39 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-09-03 02:14:39 -0700 |
| commit | e5bd1c3fdd06b6c0fa6dfb98ce31cea1820ce4e9 (patch) | |
| tree | 270c78d5714cfb84e5e99cd8b341d42a7720ecca | |
| parent | dbb8c35d9063fe233626865cc836fbc102fa083b (diff) | |
| download | op-kernel-dev-e5bd1c3fdd06b6c0fa6dfb98ce31cea1820ce4e9.zip op-kernel-dev-e5bd1c3fdd06b6c0fa6dfb98ce31cea1820ce4e9.tar.gz | |
sparc64: Fix IPI call locking.
When I switched sparc64 over to the generic helpers for
smp_call_function(), I didn't convert the dinky call_lock
we had.
Use ipi_call_lock() and ipi_call_unlock().
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | arch/sparc64/kernel/smp.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c index 743ccad..0712a44 100644 --- a/arch/sparc64/kernel/smp.c +++ b/arch/sparc64/kernel/smp.c @@ -80,8 +80,6 @@ void smp_bogo(struct seq_file *m) i, cpu_data(i).clock_tick); } -static __cacheline_aligned_in_smp DEFINE_SPINLOCK(call_lock); - extern void setup_sparc64_timer(void); static volatile unsigned long callin_flag = 0; @@ -120,9 +118,9 @@ void __cpuinit smp_callin(void) while (!cpu_isset(cpuid, smp_commenced_mask)) rmb(); - spin_lock(&call_lock); + ipi_call_lock(); cpu_set(cpuid, cpu_online_map); - spin_unlock(&call_lock); + ipi_call_unlock(); /* idle thread is expected to have preempt disabled */ preempt_disable(); @@ -1305,9 +1303,9 @@ int __cpu_disable(void) c->core_id = 0; c->proc_id = -1; - spin_lock(&call_lock); + ipi_call_lock(); cpu_clear(cpu, cpu_online_map); - spin_unlock(&call_lock); + ipi_call_unlock(); smp_wmb(); |
