aboutsummaryrefslogtreecommitdiff
path: root/arch/x86/mach-generic/numaq.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/mach-generic/numaq.c')
-rw-r--r--arch/x86/mach-generic/numaq.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/x86/mach-generic/numaq.c b/arch/x86/mach-generic/numaq.c
index 8cf58394975..71a309b122e 100644
--- a/arch/x86/mach-generic/numaq.c
+++ b/arch/x86/mach-generic/numaq.c
@@ -38,4 +38,18 @@ static int acpi_madt_oem_check(char *oem_id, char *oem_table_id)
return 0;
}
+static cpumask_t vector_allocation_domain(int cpu)
+{
+ /* 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.
+ */
+ cpumask_t domain = { { [0] = APIC_ALL_CPUS, } };
+ return domain;
+}
+
struct genapic apic_numaq = APIC_INIT("NUMAQ", probe_numaq);