Merge branch 'linux-next' of git://git.infradead.org/~dedekind/ubi-2.6

[~andy/linux] / arch / x86 / mach-generic / summit.c

diff --git a/arch/x86/mach-generic/summit.c b/arch/x86/mach-generic/summit.c
index 6ad6b67a723de01768c0373cac3023a43cd289b3..6272b5e69da62b28f660105d9a8788e4944432b3 100644 (file)
--- a/arch/x86/mach-generic/summit.c
+++ b/arch/x86/mach-generic/summit.c
@@ -23,4 +23,18 @@ static int probe_summit(void)
        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_summit = APIC_INIT("summit", probe_summit);