[tip:x86/numa] x86: Implement x86_32_early_logical_apicid() for bigsmp_32

[tip-bot for Tejun Heo]

Commit-ID:  12bf24a47c1a095233cc8a8b863b509a0d8e0f2c
Gitweb:     http://git.kernel.org/tip/12bf24a47c1a095233cc8a8b863b509a0d8e0f2c
Author:     Tejun Heo <tj@xxxxxxxxxx>
AuthorDate: Sun, 23 Jan 2011 14:37:35 +0100
Committer:  Ingo Molnar <mingo@xxxxxxx>
CommitDate: Fri, 28 Jan 2011 14:54:07 +0100

x86: Implement x86_32_early_logical_apicid() for bigsmp_32

Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
Cc: eric.dumazet@xxxxxxxxx
Cc: yinghai@xxxxxxxxxx
Cc: brgerst@xxxxxxxxx
Cc: gorcunov@xxxxxxxxx
Cc: penberg@xxxxxxxxxx
Cc: shaohui.zheng@xxxxxxxxx
Cc: rientjes@xxxxxxxxxx
LKML-Reference: <1295789862-25482-10-git-send-email-tj@xxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
 arch/x86/kernel/apic/bigsmp_32.c |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kernel/apic/bigsmp_32.c b/arch/x86/kernel/apic/bigsmp_32.c
index dd32a9b..bc7ed04 100644
--- a/arch/x86/kernel/apic/bigsmp_32.c
+++ b/arch/x86/kernel/apic/bigsmp_32.c
@@ -45,6 +45,12 @@ static unsigned long bigsmp_check_apicid_present(int bit)
 	return 1;
 }
 
+static int bigsmp_early_logical_apicid(int cpu)
+{
+	/* on bigsmp, logical apicid is the same as physical */
+	return early_per_cpu(x86_cpu_to_apicid, cpu);
+}
+
 static inline unsigned long calculate_ldr(int cpu)
 {
 	unsigned long val, id;
@@ -252,5 +258,5 @@ struct apic apic_bigsmp = {
 	.wait_icr_idle			= native_apic_wait_icr_idle,
 	.safe_wait_icr_idle		= native_safe_apic_wait_icr_idle,
 
-	.x86_32_early_logical_apicid	= noop_x86_32_early_logical_apicid,
+	.x86_32_early_logical_apicid	= bigsmp_early_logical_apicid,
 };
--
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