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authorIngo Molnar <mingo@elte.hu>2009-01-28 09:20:18 -0500
committerIngo Molnar <mingo@elte.hu>2009-01-28 17:20:30 -0500
commitdebccb3e77be52cfc26c5a99e123c114c5c72aeb (patch)
tree27c015b45085b2042737d94a3fbd3c62fe143c37 /arch/x86/kernel/genx2apic_cluster.c
parent94af18755266edf46803564414d74f9621aaded8 (diff)
x86, apic: refactor ->cpu_mask_to_apicid*()
- spread out the namespace on a per driver basis - clean up the functions - get rid of macros Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/genx2apic_cluster.c')
-rw-r--r--arch/x86/kernel/genx2apic_cluster.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/arch/x86/kernel/genx2apic_cluster.c b/arch/x86/kernel/genx2apic_cluster.c
index c7557e051848..62f9fccf01dd 100644
--- a/arch/x86/kernel/genx2apic_cluster.c
+++ b/arch/x86/kernel/genx2apic_cluster.c
@@ -111,21 +111,21 @@ static int x2apic_apic_id_registered(void)
111 111
112static unsigned int x2apic_cpu_mask_to_apicid(const struct cpumask *cpumask) 112static unsigned int x2apic_cpu_mask_to_apicid(const struct cpumask *cpumask)
113{ 113{
114 int cpu;
115
116 /* 114 /*
117 * We're using fixed IRQ delivery, can only return one logical APIC ID. 115 * We're using fixed IRQ delivery, can only return one logical APIC ID.
118 * May as well be the first. 116 * May as well be the first.
119 */ 117 */
120 cpu = cpumask_first(cpumask); 118 int cpu = cpumask_first(cpumask);
119
121 if ((unsigned)cpu < nr_cpu_ids) 120 if ((unsigned)cpu < nr_cpu_ids)
122 return per_cpu(x86_cpu_to_logical_apicid, cpu); 121 return per_cpu(x86_cpu_to_logical_apicid, cpu);
123 else 122 else
124 return BAD_APICID; 123 return BAD_APICID;
125} 124}
126 125
127static unsigned int x2apic_cpu_mask_to_apicid_and(const struct cpumask *cpumask, 126static unsigned int
128 const struct cpumask *andmask) 127x2apic_cpu_mask_to_apicid_and(const struct cpumask *cpumask,
128 const struct cpumask *andmask)
129{ 129{
130 int cpu; 130 int cpu;
131 131
@@ -133,11 +133,14 @@ static unsigned int x2apic_cpu_mask_to_apicid_and(const struct cpumask *cpumask,
133 * We're using fixed IRQ delivery, can only return one logical APIC ID. 133 * We're using fixed IRQ delivery, can only return one logical APIC ID.
134 * May as well be the first. 134 * May as well be the first.
135 */ 135 */
136 for_each_cpu_and(cpu, cpumask, andmask) 136 for_each_cpu_and(cpu, cpumask, andmask) {
137 if (cpumask_test_cpu(cpu, cpu_online_mask)) 137 if (cpumask_test_cpu(cpu, cpu_online_mask))
138 break; 138 break;
139 }
140
139 if (cpu < nr_cpu_ids) 141 if (cpu < nr_cpu_ids)
140 return per_cpu(x86_cpu_to_logical_apicid, cpu); 142 return per_cpu(x86_cpu_to_logical_apicid, cpu);
143
141 return BAD_APICID; 144 return BAD_APICID;
142} 145}
143 146