diff options
| author | Jody McIntyre <scjody@modernduck.com> | 2005-11-22 12:38:34 -0500 |
|---|---|---|
| committer | Jody McIntyre <scjody@modernduck.com> | 2005-11-22 12:38:34 -0500 |
| commit | 899a1fc084ef3dcb57737d8847bf219cbf353ed3 (patch) | |
| tree | a9dc1c8530524e0ac345f06de6df105f847a7604 /drivers/parisc/iosapic.c | |
| parent | c64d472abc68dcad4d34f365545058c3f11973d8 (diff) | |
| parent | 989e4d6cbc69191c41ddf4b1c492457410376b43 (diff) | |
Merge with http://kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'drivers/parisc/iosapic.c')
| -rw-r--r-- | drivers/parisc/iosapic.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/drivers/parisc/iosapic.c b/drivers/parisc/iosapic.c index a39fbfef789..19657efa8dc 100644 --- a/drivers/parisc/iosapic.c +++ b/drivers/parisc/iosapic.c @@ -700,6 +700,28 @@ static unsigned int iosapic_startup_irq(unsigned int irq) return 0; } +#ifdef CONFIG_SMP +static void iosapic_set_affinity_irq(unsigned int irq, cpumask_t dest) +{ + struct vector_info *vi = iosapic_get_vector(irq); + u32 d0, d1, dummy_d0; + unsigned long flags; + + if (cpu_check_affinity(irq, &dest)) + return; + + vi->txn_addr = txn_affinity_addr(irq, first_cpu(dest)); + + spin_lock_irqsave(&iosapic_lock, flags); + /* d1 contains the destination CPU, so only want to set that + * entry */ + iosapic_rd_irt_entry(vi, &d0, &d1); + iosapic_set_irt_data(vi, &dummy_d0, &d1); + iosapic_wr_irt_entry(vi, d0, d1); + spin_unlock_irqrestore(&iosapic_lock, flags); +} +#endif + static struct hw_interrupt_type iosapic_interrupt_type = { .typename = "IO-SAPIC-level", .startup = iosapic_startup_irq, @@ -708,7 +730,9 @@ static struct hw_interrupt_type iosapic_interrupt_type = { .disable = iosapic_disable_irq, .ack = no_ack_irq, .end = iosapic_end_irq, -// .set_affinity = iosapic_set_affinity_irq, +#ifdef CONFIG_SMP + .set_affinity = iosapic_set_affinity_irq, +#endif }; int iosapic_fixup_irq(void *isi_obj, struct pci_dev *pcidev) |