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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-10 06:12:18 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-10 06:12:18 -0800 |
| commit | 4e9b1c184cadbece3694603de5f880b6e35bd7a7 (patch) | |
| tree | 8ae2ab8a4eaab4d46b4460284fd5ee475ce9a42d /arch/x86/kernel/smp.c | |
| parent | 0176260fc30842e358cf34afa7dcd9413db44822 (diff) | |
| parent | 36c401a44abcc389a00f9cd14892c9cf9bf0780d (diff) | |
| download | linux-4e9b1c184cadbece3694603de5f880b6e35bd7a7.tar.bz2 | |
Merge branch 'cpus4096-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'cpus4096-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
[IA64] fix typo in cpumask_of_pcibus()
x86: fix x86_32 builds for summit and es7000 arch's
cpumask: use work_on_cpu in acpi-cpufreq.c for read_measured_perf_ctrs
cpumask: use work_on_cpu in acpi-cpufreq.c for drv_read and drv_write
cpumask: use cpumask_var_t in acpi-cpufreq.c
cpumask: use work_on_cpu in acpi/cstate.c
cpumask: convert struct cpufreq_policy to cpumask_var_t
cpumask: replace CPUMASK_ALLOC etc with cpumask_var_t
x86: cleanup remaining cpumask_t ops in smpboot code
cpumask: update pci_bus_show_cpuaffinity to use new cpumask API
cpumask: update local_cpus_show to use new cpumask API
ia64: cpumask fix for is_affinity_mask_valid()
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 beea2649a240..182135ba1eaf 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); } /* |