Whilst working on getting a VM to initialize in to IA32e mode I found
this issue. set_cr0 relies on comparing the old cr0 to the new one to
work correctly.
Whilst this fix gets me a little closer I still fail to run due to an
invalid VMX state. Has anybody else ever tried to set up a VM to jump
straight in to IA32e mode?
From b5cbbfabb49eb6e2da6fef0a3d48620103040e4f Mon Sep 17 00:00:00 2001
From: Paul Knowles <[EMAIL PROTECTED]>
Date: Wed, 6 Feb 2008 10:30:29 +0000
Subject: [PATCH] Fix to kvm_arch_vcpu_ioctl_set_sregs so that set_cr0
works properly
Signed-off-by: Paul Knowles <[EMAIL PROTECTED]>
---
arch/x86/kvm/x86.c | 1 -
1 files changed, 0 insertions(+), 1 deletions(-)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 0987191..64d541d 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2866,7 +2866,6 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct
kvm_vcpu *vcpu,
kvm_x86_ops->decache_cr4_guest_bits(vcpu);
mmu_reset_needed |= vcpu->arch.cr0 != sregs->cr0;
- vcpu->arch.cr0 = sregs->cr0;
kvm_x86_ops->set_cr0(vcpu, sregs->cr0);
mmu_reset_needed |= vcpu->arch.cr4 != sregs->cr4;
--
1.5.3.6
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