diff options
| author |   Andrew Isaacson <adi@broadcom.com> | 2005-06-22 16:01:09 -0700 |
|---|---|---|
| committer |   Ralf Baechle <ralf@linux-mips.org> | 2005-10-29 19:32:32 +0100 |
| commit | 942d042d17c77febab9af6815b2e77f665d0f9c1 (patch) | |
| tree | 546feac57c4e16b7c388a1e377e3e4212aee9585 /arch/mips/sibyte/sb1250 | |
| parent | Use R4000 TLB routines for SB1 also. (diff) | |
| download | linux-dev-942d042d17c77febab9af6815b2e77f665d0f9c1.tar.xz linux-dev-942d042d17c77febab9af6815b2e77f665d0f9c1.zip | |
Use cpumask_t rather than hand-rolled bitmask code in sb1250_set_affinity.
Signed-Off-By: Andrew Isaacson <adi@broadcom.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/sibyte/sb1250')
| -rw-r--r-- | arch/mips/sibyte/sb1250/irq.c | 15 |
1 files changed, 4 insertions, 11 deletions
diff --git a/arch/mips/sibyte/sb1250/irq.c b/arch/mips/sibyte/sb1250/irq.c index b9f1ff420fef..589537bfcc3d 100644 --- a/arch/mips/sibyte/sb1250/irq.c +++ b/arch/mips/sibyte/sb1250/irq.c @@ -53,7 +53,7 @@ static void disable_sb1250_irq(unsigned int irq); static unsigned int startup_sb1250_irq(unsigned int irq); static void ack_sb1250_irq(unsigned int irq); #ifdef CONFIG_SMP -static void sb1250_set_affinity(unsigned int irq, unsigned long mask); +static void sb1250_set_affinity(unsigned int irq, cpumask_t mask); #endif #ifdef CONFIG_SIBYTE_HAS_LDT @@ -117,23 +117,16 @@ void sb1250_unmask_irq(int cpu, int irq) } #ifdef CONFIG_SMP -static void sb1250_set_affinity(unsigned int irq, unsigned long mask) +static void sb1250_set_affinity(unsigned int irq, cpumask_t mask) { int i = 0, old_cpu, cpu, int_on; u64 cur_ints; irq_desc_t *desc = irq_desc + irq; unsigned long flags; - while (mask) { - if (mask & 1) { - mask >>= 1; - break; - } - mask >>= 1; - i++; - } + i = first_cpu(mask); - if (mask) { + if (cpus_weight(mask) > 1) { printk("attempted to set irq affinity for irq %d to multiple CPUs\n", irq); return; } |