From: Marcelo Tosatti <mtosatti@redhat.com>
To: avi@redhat.com
Cc: kvm@vger.kernel.org, Marcelo Tosatti <mtosatti@redhat.com>
Subject: [patch 2/2] KVM: SVM: init_vmcb should reset vcpu->efer
Date: Tue, 31 Aug 2010 19:13:14 -0300 [thread overview]
Message-ID: <20100831221357.800171409@amt.cnet> (raw)
In-Reply-To: 20100831221312.274804004@amt.cnet
[-- Attachment #1: reset-efer --]
[-- Type: text/plain, Size: 575 bytes --]
Otherwise EFER_LMA bit is retained across a SIPI reset.
Fixes guest cpu onlining.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Index: kvm/arch/x86/kvm/svm.c
===================================================================
--- kvm.orig/arch/x86/kvm/svm.c
+++ kvm/arch/x86/kvm/svm.c
@@ -816,7 +816,7 @@ static void init_vmcb(struct vcpu_svm *s
init_sys_seg(&save->ldtr, SEG_TYPE_LDT);
init_sys_seg(&save->tr, SEG_TYPE_BUSY_TSS16);
- save->efer = EFER_SVME;
+ svm_set_efer(&svm->vcpu, 0);
save->dr6 = 0xffff0ff0;
save->dr7 = 0x400;
save->rflags = 2;
next prev parent reply other threads:[~2010-08-31 22:14 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-31 22:13 [patch 0/2] SVM: fix cpu onlining Marcelo Tosatti
2010-08-31 22:13 ` [patch 1/2] KVM: SVM: reset mmu context in init_vmcb Marcelo Tosatti
2010-08-31 22:13 ` Marcelo Tosatti [this message]
2010-09-01 7:09 ` [patch 0/2] SVM: fix cpu onlining Avi Kivity
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