diff options
| author | Kyle McMartin <kyle@mako.i.cabal.ca> | 2006-12-07 23:52:27 -0500 |
|---|---|---|
| committer | Kyle McMartin <kyle@ubuntu.com> | 2006-12-08 00:34:49 -0500 |
| commit | 3c97b5e93faf9262407835046effc886efefa0a6 (patch) | |
| tree | 287336a38d1e32160b8d52e2273062b6de1b509c /arch/parisc/kernel/smp.c | |
| parent | 6858f3bf6e856d10a932d2d167d3f34e366042c6 (diff) | |
| download | linux-3c97b5e93faf9262407835046effc886efefa0a6.tar.bz2 | |
[PARISC] Move spinlock_t out of struct cpu_data
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
Diffstat (limited to 'arch/parisc/kernel/smp.c')
| -rw-r--r-- | arch/parisc/kernel/smp.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c index 4a23a97b06cd..5b6bc6e8a42f 100644 --- a/arch/parisc/kernel/smp.c +++ b/arch/parisc/kernel/smp.c @@ -76,6 +76,7 @@ cpumask_t cpu_possible_map __read_mostly = CPU_MASK_ALL; /* Bitmap of Present CP EXPORT_SYMBOL(cpu_online_map); EXPORT_SYMBOL(cpu_possible_map); +DEFINE_PER_CPU(spinlock_t, ipi_lock) = SPIN_LOCK_UNLOCKED; struct smp_call_struct { void (*func) (void *info); @@ -167,10 +168,11 @@ ipi_interrupt(int irq, void *dev_id) mb(); /* Order interrupt and bit testing. */ for (;;) { - spin_lock_irqsave(&(p->lock),flags); + spinlock_t *lock = &per_cpu(ipi_lock, this_cpu); + spin_lock_irqsave(lock, flags); ops = p->pending_ipi; p->pending_ipi = 0; - spin_unlock_irqrestore(&(p->lock),flags); + spin_unlock_irqrestore(lock, flags); mb(); /* Order bit clearing and data access. */ @@ -275,12 +277,13 @@ static inline void ipi_send(int cpu, enum ipi_message_type op) { struct cpuinfo_parisc *p = &cpu_data[cpu]; + spinlock_t *lock = &per_cpu(ipi_lock, cpu); unsigned long flags; - spin_lock_irqsave(&(p->lock),flags); + spin_lock_irqsave(lock, flags); p->pending_ipi |= 1 << op; gsc_writel(IPI_IRQ - CPU_IRQ_BASE, cpu_data[cpu].hpa); - spin_unlock_irqrestore(&(p->lock),flags); + spin_unlock_irqrestore(lock, flags); } |