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| author | Ingo Molnar <mingo@elte.hu> | 2009-01-11 03:03:30 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-01-11 03:03:30 +0100 |
| commit | f45ac22ae2b8fc5b4c32d9b8d17ea419a8701d89 (patch) | |
| tree | 8e05bccd7b85fc3dd2fbd33ec3286de27e152819 /arch/x86/kernel/smp.c | |
| parent | 79f3b3cb7a2586b319a43a7f29924c6c555e4357 (diff) | |
| parent | c59765042f53a79a7a65585042ff463b69cb248c (diff) | |
Merge commit 'v2.6.29-rc1' into x86/urgent
Diffstat (limited to 'arch/x86/kernel/smp.c')
| -rw-r--r-- | arch/x86/kernel/smp.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/arch/x86/kernel/smp.c b/arch/x86/kernel/smp.c index cf1f075886b..e6faa3316bd 100644 --- a/arch/x86/kernel/smp.c +++ b/arch/x86/kernel/smp.c @@ -128,16 +128,23 @@ void native_send_call_func_single_ipi(int cpu) void native_send_call_func_ipi(const struct cpumask *mask) { - cpumask_t allbutself; + cpumask_var_t allbutself; - allbutself = cpu_online_map; - cpu_clear(smp_processor_id(), allbutself); + if (!alloc_cpumask_var(&allbutself, GFP_ATOMIC)) { + send_IPI_mask(mask, CALL_FUNCTION_VECTOR); + return; + } - if (cpus_equal(*mask, allbutself) && - cpus_equal(cpu_online_map, cpu_callout_map)) + cpumask_copy(allbutself, cpu_online_mask); + cpumask_clear_cpu(smp_processor_id(), allbutself); + + if (cpumask_equal(mask, allbutself) && + cpumask_equal(cpu_online_mask, cpu_callout_mask)) send_IPI_allbutself(CALL_FUNCTION_VECTOR); else send_IPI_mask(mask, CALL_FUNCTION_VECTOR); + + free_cpumask_var(allbutself); } /* |