diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2007-09-04 00:43:57 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2007-09-04 00:43:57 -0700 |
| commit | ea3c4b126ad63bd782c7bb5266bb4fd88e203169 (patch) | |
| tree | 1b1dedd3ee501c165910389aea9082fb96a9e8f4 /arch/ia64/sn/kernel/irq.c | |
| parent | a5229e6b3fb77ef92ff585e17ba4aa8a3e945727 (diff) | |
| parent | 7b3166dbc3df5b72f2ba4ea130f4461e318a3838 (diff) | |
| download | linux-ea3c4b126ad63bd782c7bb5266bb4fd88e203169.tar.bz2 | |
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
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 360047389449..0f9b12683bf3 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) { |