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author | Ingo Molnar <mingo@kernel.org> | 2012-06-18 11:09:49 +0200 |
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committer | Ingo Molnar <mingo@kernel.org> | 2012-06-18 11:09:49 +0200 |
commit | 8461689c67fc2ad3040bc019cccb541bccb5648f (patch) | |
tree | eafcf756975739ef04aa91be2e053d6e1e8b9ccb /arch/x86/kernel/apic/apic.c | |
parent | d48daf37a3d2e2b28a61e615c0fc538301edb0dd (diff) | |
parent | 7eb9ae0799b1e9f0b77733b432bc5f6f055b020b (diff) | |
download | linux-8461689c67fc2ad3040bc019cccb541bccb5648f.tar.gz linux-8461689c67fc2ad3040bc019cccb541bccb5648f.tar.bz2 linux-8461689c67fc2ad3040bc019cccb541bccb5648f.zip |
Merge branch 'x86/apic' into x86/platform
Merge in x86/apic to solve a vector_allocation_domain() API change semantic merge conflict.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/apic/apic.c')
-rw-r--r-- | arch/x86/kernel/apic/apic.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index 39a222e094af..c421512ca5eb 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -2123,6 +2123,25 @@ void default_init_apic_ldr(void) apic_write(APIC_LDR, val); } +int default_cpu_mask_to_apicid_and(const struct cpumask *cpumask, + const struct cpumask *andmask, + unsigned int *apicid) +{ + unsigned int cpu; + + for_each_cpu_and(cpu, cpumask, andmask) { + if (cpumask_test_cpu(cpu, cpu_online_mask)) + break; + } + + if (likely(cpu < nr_cpu_ids)) { + *apicid = per_cpu(x86_cpu_to_apicid, cpu); + return 0; + } + + return -EINVAL; +} + /* * Power management */ |