---

yaml --- r: 112727 b: refs/heads/master c: 36c9d67 h: refs/heads/master i: 112725: 5d6b111 112723: 24ac8fc 112719: 86c03fc v: v3
git-mirror · Aug 19, 2008 · 13900e3 · 13900e3
1 parent a848543
commit 13900e3
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Showing 3 changed files with 21 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: fe4024dcb0c01e5399394d2807406a2c13fb1eb7
+refs/heads/master: 36c9d6742897fa414f51c4e9d0f20ab4e6bf942c
diff --git a/trunk/arch/x86/kernel/apic_32.c b/trunk/arch/x86/kernel/apic_32.c
@@ -1387,6 +1387,7 @@ void smp_error_interrupt(struct pt_regs *regs)
  */
 void __init connect_bsp_APIC(void)
 {
+#ifdef CONFIG_X86_32
 	if (pic_mode) {
 		/*
 		 * Do not trust the local APIC being empty at bootup.
@@ -1401,6 +1402,7 @@ void __init connect_bsp_APIC(void)
 		outb(0x70, 0x22);
 		outb(0x01, 0x23);
 	}
+#endif
 	enable_apic_mode();
 }
 

diff --git a/trunk/arch/x86/kernel/apic_64.c b/trunk/arch/x86/kernel/apic_64.c
@@ -1285,10 +1285,26 @@ asmlinkage void smp_error_interrupt(void)
 }
 
 /**
- *  * connect_bsp_APIC - attach the APIC to the interrupt system
- *   */
+ * connect_bsp_APIC - attach the APIC to the interrupt system
+ */
 void __init connect_bsp_APIC(void)
 {
+#ifdef CONFIG_X86_32
+	if (pic_mode) {
+		/*
+		 * Do not trust the local APIC being empty at bootup.
+		 */
+		clear_local_APIC();
+		/*
+		 * PIC mode, enable APIC mode in the IMCR, i.e.  connect BSP's
+		 * local APIC to INT and NMI lines.
+		 */
+		apic_printk(APIC_VERBOSE, "leaving PIC mode, "
+				"enabling APIC mode.\n");
+		outb(0x70, 0x22);
+		outb(0x01, 0x23);
+	}
+#endif
 	enable_apic_mode();
 }