Messages in this thread Patch in this message | | | Date | Wed, 12 Dec 2007 22:52:12 -0800 | From | Greg KH <> | Subject | [patch 25/60] KVM: VMX: Force vm86 mode if setting flags during real mode |
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2.6.23-stable review patch. If anyone has any objections, please let us know.
------------------ From: Avi Kivity <avi@qumranet.com>
patch 78f7826868da8e27d097802139a3fec39f47f3b8 in mainline.
When resetting from userspace, we need to handle the flags being cleared even after we are in real mode.
Signed-off-by: Avi Kivity <avi@qumranet.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- drivers/kvm/vmx.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/drivers/kvm/vmx.c +++ b/drivers/kvm/vmx.c @@ -463,6 +463,8 @@ static unsigned long vmx_get_rflags(stru static void vmx_set_rflags(struct kvm_vcpu *vcpu, unsigned long rflags) { + if (vcpu->rmode.active) + rflags |= IOPL_MASK | X86_EFLAGS_VM; vmcs_writel(GUEST_RFLAGS, rflags); } --
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