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x86/apic: Factor out default vector_allocation_domain() operation

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Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Acked-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Link: http://lkml.kernel.org/r/20120607131449.GC4759@dhcp-26-207.brq.redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Alexander Gordeev
2012-06-07 15:14:49 +02:00
committed by Ingo Molnar
parent 6398268d2b
commit 9d8e106676
11 changed files with 32 additions and 117 deletions
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17
arch/x86/kernel/apic/probe_32.c
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@@ -66,21 +66,6 @@ static void setup_apic_flat_routing(void)
#endif
}
static void default_vector_allocation_domain(int cpu, struct cpumask *retmask)
{
/*
* Careful. Some cpus do not strictly honor the set of cpus
* specified in the interrupt destination when using lowest
* priority interrupt delivery mode.
*
* In particular there was a hyperthreading cpu observed to
* deliver interrupts to the wrong hyperthread when only one
* hyperthread was specified in the interrupt desitination.
*/
cpumask_clear(retmask);
cpumask_bits(retmask)[0] = APIC_ALL_CPUS;
}
/* should be called last. */
static int probe_default(void)
{
@@ -105,7 +90,7 @@ static struct apic apic_default = {
.check_apicid_used = default_check_apicid_used,
.check_apicid_present = default_check_apicid_present,
.vector_allocation_domain = default_vector_allocation_domain,
.vector_allocation_domain = flat_vector_allocation_domain,
.init_apic_ldr = default_init_apic_ldr,
.ioapic_phys_id_map = default_ioapic_phys_id_map,