---

yaml --- r: 112725 b: refs/heads/master c: 990b183 h: refs/heads/master i: 112723: 24ac8fc v: v3
git-mirror · Aug 19, 2008 · 5d6b111 · 5d6b111
1 parent b6a8bb5
commit 5d6b111
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Showing 3 changed files with 18 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f1ee37891dab6014f6b0ec77b18bc07e2369a55f
+refs/heads/master: 990b183e58cb513a62492b6218987750e106cbfb
diff --git a/trunk/arch/x86/kernel/apic_32.c b/trunk/arch/x86/kernel/apic_32.c
@@ -796,7 +796,7 @@ void clear_local_APIC(void)
  */
 void disable_local_APIC(void)
 {
-	unsigned long value;
+	unsigned int value;
 
 	clear_local_APIC();
 
@@ -808,6 +808,7 @@ void disable_local_APIC(void)
 	value &= ~APIC_SPIV_APIC_ENABLED;
 	apic_write(APIC_SPIV, value);
 
+#ifdef CONFIG_X86_32
 	/*
 	 * When LAPIC was disabled by the BIOS and enabled by the kernel,
 	 * restore the disabled state.
@@ -819,6 +820,7 @@ void disable_local_APIC(void)
 		l &= ~MSR_IA32_APICBASE_ENABLE;
 		wrmsr(MSR_IA32_APICBASE, l, h);
 	}
+#endif
 }
 
 /*

diff --git a/trunk/arch/x86/kernel/apic_64.c b/trunk/arch/x86/kernel/apic_64.c
@@ -691,6 +691,20 @@ void disable_local_APIC(void)
 	value = apic_read(APIC_SPIV);
 	value &= ~APIC_SPIV_APIC_ENABLED;
 	apic_write(APIC_SPIV, value);
+
+#ifdef CONFIG_X86_32
+	/*
+	 * When LAPIC was disabled by the BIOS and enabled by the kernel,
+	 * restore the disabled state.
+	 */
+	if (enabled_via_apicbase) {
+		unsigned int l, h;
+
+		rdmsr(MSR_IA32_APICBASE, l, h);
+		l &= ~MSR_IA32_APICBASE_ENABLE;
+		wrmsr(MSR_IA32_APICBASE, l, h);
+	}
+#endif
 }
 
 void lapic_shutdown(void)