From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marcelo Tosatti <mtosatti@redhat.com>
Subject: [patch 4/4] QEMU/KVM: dont read any bits from userspace
	APIC emulation if its done in-kernel
Date: Sat, 05 Apr 2008 15:22:50 -0300
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Cc: kvm-devel@lists.sourceforge.net,
	Marcelo Tosatti <mtosatti@redhat.com>
To: Avi Kivity <avi@qumranet.com>,
	Anthony Liguori <aliguori@us.ibm.com>
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Fixes loadvm/savem on SMP.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

Index: kvm-userspace.io/qemu/hw/apic.c
===================================================================
--- kvm-userspace.io.orig/qemu/hw/apic.c
+++ kvm-userspace.io/qemu/hw/apic.c
@@ -248,8 +248,11 @@ void cpu_set_apic_base(CPUState *env, ui
 #ifdef DEBUG_APIC
     printf("cpu_set_apic_base: %016" PRIx64 "\n", val);
 #endif
-    s->apicbase = (val & 0xfffff000) |
-        (s->apicbase & (MSR_IA32_APICBASE_BSP | MSR_IA32_APICBASE_ENABLE));
+    if (kvm_enabled() && qemu_kvm_irqchip_in_kernel())
+        s->apicbase = val;
+    else
+        s->apicbase = (val & 0xfffff000) |
+            (s->apicbase & (MSR_IA32_APICBASE_BSP | MSR_IA32_APICBASE_ENABLE));
     /* if disabled, cannot be enabled again */
     if (!(val & MSR_IA32_APICBASE_ENABLE)) {
         s->apicbase &= ~MSR_IA32_APICBASE_ENABLE;

-- 


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