aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86/mach-generic/summit.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/mach-generic/summit.c')
-rw-r--r--arch/x86/mach-generic/summit.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/x86/mach-generic/summit.c b/arch/x86/mach-generic/summit.c
index 6ad6b67a723d..6272b5e69da6 100644
--- a/arch/x86/mach-generic/summit.c
+++ b/arch/x86/mach-generic/summit.c
@@ -23,4 +23,18 @@ static int probe_summit(void)
23 return 0; 23 return 0;
24} 24}
25 25
26static cpumask_t vector_allocation_domain(int cpu)
27{
28 /* Careful. Some cpus do not strictly honor the set of cpus
29 * specified in the interrupt destination when using lowest
30 * priority interrupt delivery mode.
31 *
32 * In particular there was a hyperthreading cpu observed to
33 * deliver interrupts to the wrong hyperthread when only one
34 * hyperthread was specified in the interrupt desitination.
35 */
36 cpumask_t domain = { { [0] = APIC_ALL_CPUS, } };
37 return domain;
38}
39
26struct genapic apic_summit = APIC_INIT("summit", probe_summit); 40struct genapic apic_summit = APIC_INIT("summit", probe_summit);