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| author | Ingo Molnar <mingo@elte.hu> | 2009-01-28 06:50:47 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-01-28 23:20:20 +0100 |
| commit | e2d40b1878bd13ca1028ddd299c48e4821ac3535 (patch) | |
| tree | 6b2a69b3323346137e7146537edd1118dcce7862 /arch/x86/mach-generic/default.c | |
| parent | 2e867b17cc02e1799f18126af0ddd7b63dd8f6f4 (diff) | |
| download | op-kernel-dev-e2d40b1878bd13ca1028ddd299c48e4821ac3535.zip op-kernel-dev-e2d40b1878bd13ca1028ddd299c48e4821ac3535.tar.gz | |
x86, apic: clean up ->vector_allocation_domain()
- separate the namespace
- remove macros
- move the default vector-allocation-domain to mach-generic
- fix whitespace damage
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/mach-generic/default.c')
| -rw-r--r-- | arch/x86/mach-generic/default.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/arch/x86/mach-generic/default.c b/arch/x86/mach-generic/default.c index e89e8c9..6adc3c6 100644 --- a/arch/x86/mach-generic/default.c +++ b/arch/x86/mach-generic/default.c @@ -18,6 +18,20 @@ #include <asm/mach-default/mach_mpparse.h> #include <asm/mach-default/mach_wakecpu.h> +static void default_vector_allocation_domain(int cpu, struct cpumask *retmask) +{ + /* + * Careful. Some cpus do not strictly honor the set of cpus + * specified in the interrupt destination when using lowest + * priority interrupt delivery mode. + * + * In particular there was a hyperthreading cpu observed to + * deliver interrupts to the wrong hyperthread when only one + * hyperthread was specified in the interrupt desitination. + */ + *retmask = (cpumask_t) { { [0] = APIC_ALL_CPUS } }; +} + /* should be called last. */ static int probe_default(void) { @@ -41,7 +55,7 @@ struct genapic apic_default = { .check_apicid_used = default_check_apicid_used, .check_apicid_present = default_check_apicid_present, - .vector_allocation_domain = vector_allocation_domain, + .vector_allocation_domain = default_vector_allocation_domain, .init_apic_ldr = init_apic_ldr, .ioapic_phys_id_map = ioapic_phys_id_map, |
