Commit ac146235 authored Nov 10, 2014 by Paolo Bonzini

KVM: x86: fix warning on 32-bit compilation



PCIDs are only supported in 64-bit mode.  No need to clear bit 63
of CR3 unless the host is 64-bit.

Reported by Fengguang Wu's autobuilder.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

parent ce1a5e60

arch/x86/kvm/x86.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -750,7 +750,9 @@ EXPORT_SYMBOL_GPL(kvm_set_cr4);

		int kvm_set_cr3(struct kvm_vcpu *vcpu, unsigned long cr3)
		{
		#ifdef CONFIG_X86_64
		cr3 &= ~CR3_PCID_INVD;
		#endif

		if (cr3 == kvm_read_cr3(vcpu) && !pdptrs_changed(vcpu)) {
		kvm_mmu_sync_roots(vcpu);