Commit-ID: 990a32d1e54b3c0f7304bec95fb883404589b3f0
Gitweb: http://git.kernel.org/tip/990a32d1e54b3c0f7304bec95fb883404589b3f0
Author: Jack Steiner <steiner@xxxxxxx>
AuthorDate: Mon, 10 Jan 2011 13:52:11 -0600
Committer: Ingo Molnar <mingo@xxxxxxx>
CommitDate: Tue, 11 Jan 2011 12:44:45 +0100
x86, UV: Fix APICID shift for Westmere processors
Westmere processors use a different algorithm for
assigning APICIDs on SGI UV systems. The location of the
node number within the apicid is now a function of the
processor type.
Signed-off-by: Jack Steiner <steiner@xxxxxxx>
LKML-Reference: <20110110195210.GA18737@xxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
arch/x86/kernel/apic/x2apic_uv_x.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
index 2a3f2a7..f4f9e95 100644
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -378,7 +378,7 @@ struct apic __refdata apic_x2apic_uv_x = {
static __cpuinit void set_x2apic_extra_bits(int pnode)
{
- __get_cpu_var(x2apic_extra_bits) = (pnode << 6);
+ __get_cpu_var(x2apic_extra_bits) = (pnode << uvh_apicid.s.pnode_shift);
}
/*
--
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