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[patch 1/2] x86: apic unification - merge down lapic_get_maxlvt

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[patch 1/2] x86: apic unification - merge down lapic_get_maxlvt

Cyrill Gorcunov-2
Signed-off-by: Cyrill Gorcunov <[hidden email]>
---

No code change on binary level.

Index: linux-2.6.git/arch/x86/kernel/apic_32.c
===================================================================
--- linux-2.6.git.orig/arch/x86/kernel/apic_32.c 2008-07-24 13:40:58.000000000 +0400
+++ linux-2.6.git/arch/x86/kernel/apic_32.c 2008-07-24 13:48:52.000000000 +0400
@@ -226,9 +226,13 @@ int get_physical_broadcast(void)
  */
 int lapic_get_maxlvt(void)
 {
- unsigned int v = apic_read(APIC_LVR);
+ unsigned int v;
 
- /* 82489DXs do not report # of LVT entries. */
+ v = apic_read(APIC_LVR);
+ /*
+ * - we always have APIC integrated on 64bit mode
+ * - 82489DXs do not report # of LVT entries
+ */
  return APIC_INTEGRATED(GET_APIC_VERSION(v)) ? GET_APIC_MAXLVT(v) : 2;
 }
 
Index: linux-2.6.git/arch/x86/kernel/apic_64.c
===================================================================
--- linux-2.6.git.orig/arch/x86/kernel/apic_64.c 2008-07-24 13:40:58.000000000 +0400
+++ linux-2.6.git/arch/x86/kernel/apic_64.c 2008-07-24 13:48:38.000000000 +0400
@@ -228,11 +228,14 @@ void __cpuinit enable_NMI_through_LVT0(v
  */
 int lapic_get_maxlvt(void)
 {
- unsigned int v, maxlvt;
+ unsigned int v;
 
  v = apic_read(APIC_LVR);
- maxlvt = GET_APIC_MAXLVT(v);
- return maxlvt;
+ /*
+ * - we always have APIC integrated on 64bit mode
+ * - 82489DXs do not report # of LVT entries
+ */
+ return APIC_INTEGRATED(GET_APIC_VERSION(v)) ? GET_APIC_MAXLVT(v) : 2;
 }
 
 /*

--
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