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authorLinus Torvalds <torvalds@linux-foundation.org>2015-01-30 10:45:24 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2015-01-30 10:45:24 -0800
commit1f59fe76678b49fc406c6d7b63dec4abe60a0547 (patch)
treea96429e2a8471a49d885947bd74d931e659c3304 /arch/x86/kvm/lapic.c
parentf3a3404162774770ded2ba1494a4c8ba27cd553e (diff)
parentdf04d1d191a5fea628981067e7cb7da33b246e89 (diff)
downloadlinux-1f59fe76678b49fc406c6d7b63dec4abe60a0547.tar.bz2
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fixes from Paolo Bonzini: "The ARM changes are largish, but not too scary. And a simple fix for x86 (bug introduced in 3.19)" (Paolo sayus these are the "Final" fixes. We'll see). * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: x86: check LAPIC presence when building apic_map arm/arm64: KVM: Use kernel mapping to perform invalidation on page fault arm/arm64: KVM: Invalidate data cache on unmap arm/arm64: KVM: Use set/way op trapping to track the state of the caches
Diffstat (limited to 'arch/x86/kvm/lapic.c')
-rw-r--r--arch/x86/kvm/lapic.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 4f0c0b954686..d52dcf0776ea 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -192,6 +192,9 @@ static void recalculate_apic_map(struct kvm *kvm)
u16 cid, lid;
u32 ldr, aid;
+ if (!kvm_apic_present(vcpu))
+ continue;
+
aid = kvm_apic_id(apic);
ldr = kvm_apic_get_reg(apic, APIC_LDR);
cid = apic_cluster_id(new, ldr);