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authorAlexander Gordeev <agordeev@redhat.com>2012-06-14 09:49:35 +0200
committerIngo Molnar <mingo@kernel.org>2012-06-14 12:53:13 +0200
commita5a391561bc25898ba1a702a0c4b028aa5b11ce9 (patch)
treecffb5bfe08a132cfe8e2fe24e6cf860fd6b77284 /arch/x86/kernel/apic/x2apic_cluster.c
parentx86/x2apic/cluster: Vector_allocation_domain() should return a value (diff)
downloadlinux-a5a391561bc25898ba1a702a0c4b028aa5b11ce9.tar.xz
linux-a5a391561bc25898ba1a702a0c4b028aa5b11ce9.zip
x86/apic: Eliminate cpu_mask_to_apicid() operation
Since there are only two locations where cpu_mask_to_apicid() is called from, remove the operation and use only cpu_mask_to_apicid_and() instead. Signed-off-by: Alexander Gordeev <agordeev@redhat.com> Suggested-and-acked-by: Suresh Siddha <suresh.b.siddha@intel.com> Acked-by: Yinghai Lu <yinghai@kernel.org> Link: http://lkml.kernel.org/r/20120614074935.GE3383@dhcp-26-207.brq.redhat.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/apic/x2apic_cluster.c')
-rw-r--r--arch/x86/kernel/apic/x2apic_cluster.c17
1 files changed, 0 insertions, 17 deletions
diff --git a/arch/x86/kernel/apic/x2apic_cluster.c b/arch/x86/kernel/apic/x2apic_cluster.c
index 1885a73b7f33..943d03fc6fc4 100644
--- a/arch/x86/kernel/apic/x2apic_cluster.c
+++ b/arch/x86/kernel/apic/x2apic_cluster.c
@@ -97,22 +97,6 @@ static void x2apic_send_IPI_all(int vector)
}
static int
-x2apic_cpu_mask_to_apicid(const struct cpumask *cpumask, unsigned int *apicid)
-{
- int cpu = cpumask_first_and(cpumask, cpu_online_mask);
- int i;
-
- if (cpu >= nr_cpu_ids)
- return -EINVAL;
-
- *apicid = 0;
- for_each_cpu_and(i, cpumask, per_cpu(cpus_in_cluster, cpu))
- *apicid |= per_cpu(x86_cpu_to_logical_apicid, i);
-
- return 0;
-}
-
-static int
x2apic_cpu_mask_to_apicid_and(const struct cpumask *cpumask,
const struct cpumask *andmask,
unsigned int *apicid)
@@ -270,7 +254,6 @@ static struct apic apic_x2apic_cluster = {
.set_apic_id = x2apic_set_apic_id,
.apic_id_mask = 0xFFFFFFFFu,
- .cpu_mask_to_apicid = x2apic_cpu_mask_to_apicid,
.cpu_mask_to_apicid_and = x2apic_cpu_mask_to_apicid_and,
.send_IPI_mask = x2apic_send_IPI_mask,