diff options
| author | Grant Grundler <grundler@parisc-linux.org> | 2005-11-17 22:29:16 +0100 |
|---|---|---|
| committer | Kyle McMartin <kyle@parisc-linux.org> | 2005-11-17 22:29:16 +0100 |
| commit | 03afe22f074231196dcf3298f962cfc787ebbc60 (patch) | |
| tree | 9a1b4400f387f46dd2009500dc1d4f2fa0a15f44 /arch/parisc/kernel/irq.c | |
| parent | [PARISC] Add IRQ affinities (diff) | |
| download | linux-03afe22f074231196dcf3298f962cfc787ebbc60.tar.xz linux-03afe22f074231196dcf3298f962cfc787ebbc60.zip | |
[PARISC] irq_affinityp[] only available for SMP builds
irq_affinityp[] only available for SMP builds, make code that uses
it conditional on CONFIG_SMP.
Signed-off-by: Grant Grundler <grundler@parisc-linux.org>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
Diffstat (limited to 'arch/parisc/kernel/irq.c')
| -rw-r--r-- | arch/parisc/kernel/irq.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c index 2626405e70c4..144fc25b3872 100644 --- a/arch/parisc/kernel/irq.c +++ b/arch/parisc/kernel/irq.c @@ -261,13 +261,17 @@ int txn_alloc_irq(unsigned int bits_wide) return -1; } + unsigned long txn_affinity_addr(unsigned int irq, int cpu) { +#ifdef CONFIG_SMP irq_affinity[irq] = cpumask_of_cpu(cpu); +#endif return cpu_data[cpu].txn_addr; } + unsigned long txn_alloc_addr(unsigned int virt_irq) { static int next_cpu = -1; @@ -321,14 +325,16 @@ void do_cpu_irq_mask(struct pt_regs *regs) /* Work our way from MSb to LSb...same order we alloc EIRs */ for (irq = TIMER_IRQ; eirr_val && bit; bit>>=1, irq++) { +#ifdef CONFIG_SMP cpumask_t dest = irq_affinity[irq]; - +#endif if (!(bit & eirr_val)) continue; /* clear bit in mask - can exit loop sooner */ eirr_val &= ~bit; +#ifdef CONFIG_SMP /* FIXME: because generic set affinity mucks * with the affinity before sending it to us * we can get the situation where the affinity is @@ -337,12 +343,13 @@ void do_cpu_irq_mask(struct pt_regs *regs) !cpu_isset(smp_processor_id(), dest)) { int cpu = first_cpu(dest); - printk("rethrowing irq %d from %d to %d\n", + printk("redirecting irq %d from CPU %d to %d\n", irq, smp_processor_id(), cpu); gsc_writel(irq + CPU_IRQ_BASE, cpu_data[cpu].hpa); continue; } +#endif __do_IRQ(irq, regs); } |