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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2008-10-21 15:52:04 +1100
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2008-10-21 15:52:04 +1100
commita02efb906d12c9d4eb2ab7c59049ba9545e5412d (patch)
treebf1f6467978ec63a22f42299ecac2ee7f7e73336 /arch/x86/mach-generic/summit.c
parent84dfcb4b318463cd4883b6a19937824f49aee564 (diff)
parent2515ddc6db8eb49a79f0fe5e67ff09ac7c81eab4 (diff)
downloadop-kernel-dev-a02efb906d12c9d4eb2ab7c59049ba9545e5412d.zip
op-kernel-dev-a02efb906d12c9d4eb2ab7c59049ba9545e5412d.tar.gz
Merge commit 'origin' into master
Manual merge of: arch/powerpc/Kconfig arch/powerpc/include/asm/page.h
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 6ad6b67..6272b5e 100644
--- 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);
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