Re: [PATCH 08/14] kvm: x86: don't kill guest on unknown exit reason

2014-10-24 Thread Andy Lutomirski
On Fri, Oct 24, 2014 at 2:54 PM, Paolo Bonzini wrote: > On 10/24/2014 07:57 PM, Andy Lutomirski wrote: >> > KVM_EXIT_UNKNOWN is a kvm bug, we don't really know whether it was >> > triggered by a priveledged application. Let's not kill the guest: WARN >> > and inject #UD instead. >> >> This scares

Re: [PATCH 08/14] kvm: x86: don't kill guest on unknown exit reason

2014-10-24 Thread Paolo Bonzini
On 10/24/2014 07:57 PM, Andy Lutomirski wrote: > > KVM_EXIT_UNKNOWN is a kvm bug, we don't really know whether it was > > triggered by a priveledged application. Let's not kill the guest: WARN > > and inject #UD instead. > > This scares me a bit. For guest CPL3, it's probably okay. For guest > C

Re: [PATCH 08/14] kvm: x86: don't kill guest on unknown exit reason

2014-10-24 Thread Andy Lutomirski
On 10/24/2014 08:07 AM, Paolo Bonzini wrote: > From: "Michael S. Tsirkin" > > KVM_EXIT_UNKNOWN is a kvm bug, we don't really know whether it was > triggered by a priveledged application. Let's not kill the guest: WARN > and inject #UD instead. This scares me a bit. For guest CPL3, it's probabl

[PATCH 08/14] kvm: x86: don't kill guest on unknown exit reason

2014-10-24 Thread Paolo Bonzini
From: "Michael S. Tsirkin" KVM_EXIT_UNKNOWN is a kvm bug, we don't really know whether it was triggered by a priveledged application. Let's not kill the guest: WARN and inject #UD instead. Cc: sta...@vger.kernel.org Signed-off-by: Michael S. Tsirkin Signed-off-by: Paolo Bonzini --- arch/x86/