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| author | David Woodhouse <dwmw2@infradead.org> | 2007-10-13 13:43:54 (GMT) |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2007-10-13 13:43:54 (GMT) |
| commit | b160292cc216a50fd0cd386b0bda2cd48352c73b (patch) | |
| tree | ef07cf98f91353ee4c9ec1e1ca7a2a5d9d4b538a /arch/ia64/sn/kernel/irq.c | |
| parent | b37bde147890c8fea8369a5a4e230dabdea4ebfb (diff) | |
| parent | bbf25010f1a6b761914430f5fca081ec8c7accd1 (diff) | |
| download | linux-fsl-qoriq-b160292cc216a50fd0cd386b0bda2cd48352c73b.tar.xz | |
Merge Linux 2.6.23
Diffstat (limited to 'arch/ia64/sn/kernel/irq.c')
| -rw-r--r-- | arch/ia64/sn/kernel/irq.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/ia64/sn/kernel/irq.c b/arch/ia64/sn/kernel/irq.c index 3600473..0f9b126 100644 --- a/arch/ia64/sn/kernel/irq.c +++ b/arch/ia64/sn/kernel/irq.c @@ -19,6 +19,7 @@ #include <asm/sn/pcidev.h> #include <asm/sn/shub_mmr.h> #include <asm/sn/sn_sal.h> +#include <asm/sn/sn_feature_sets.h> static void force_interrupt(int irq); static void register_intr_pda(struct sn_irq_info *sn_irq_info); @@ -233,6 +234,20 @@ static void sn_set_affinity_irq(unsigned int irq, cpumask_t mask) (void)sn_retarget_vector(sn_irq_info, nasid, slice); } +#ifdef CONFIG_SMP +void sn_set_err_irq_affinity(unsigned int irq) +{ + /* + * On systems which support CPU disabling (SHub2), all error interrupts + * are targetted at the boot CPU. + */ + if (is_shub2() && sn_prom_feature_available(PRF_CPU_DISABLE_SUPPORT)) + set_irq_affinity_info(irq, cpu_physical_id(0), 0); +} +#else +void sn_set_err_irq_affinity(unsigned int irq) { } +#endif + static void sn_mask_irq(unsigned int irq) { |