From: Gleb Natapov <gleb@redhat.com>
To: Kevin Wolf <kwolf@redhat.com>
Cc: kvm@vger.kernel.org, mtosatti@redhat.com
Subject: Re: [PATCH kvm-unittests v2] x86/taskswitch2: Task switches into/out of VM86
Date: Mon, 15 Apr 2013 18:38:26 +0300 [thread overview]
Message-ID: <20130415153826.GA5807@redhat.com> (raw)
In-Reply-To: <20130415085642.GE3914@dhcp-200-207.str.redhat.com>
On Mon, Apr 15, 2013 at 10:56:42AM +0200, Kevin Wolf wrote:
> Am 14.04.2013 um 14:42 hat Gleb Natapov geschrieben:
> > On Fri, Apr 12, 2013 at 01:14:47PM +0200, Kevin Wolf wrote:
> > > This adds a test case that jumps into VM86 by iret-ing to a TSS and back
> > > to Protected Mode using a task gate in the IDT.
> > >
> > > Signed-off-by: Kevin Wolf <kwolf@redhat.com>
> > Applied, thanks. Found a bug with it and emulate_invalid_guest_state=1
> > which is default. Are you running with emulate_invalid_guest_state=0?
>
> Not knowingly at least, I didn't specify any module options. I
> guess I just have enable_unrestricted_guest == true, which makes
> guest_state_valid() return true immediately.
>
Can you check in
/sys/module/kvm_intel/parameters/emulate_invalid_guest_state and
/sys/module/kvm_intel/parameters/unrestricted_guest? You shouldn't have
failed entry problem with enable_unrestricted_guest == true either.
--
Gleb.
next prev parent reply other threads:[~2013-04-15 15:38 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-12 11:14 [PATCH kvm-unittests v2] x86/taskswitch2: Task switches into/out of VM86 Kevin Wolf
2013-04-14 12:42 ` Gleb Natapov
2013-04-15 8:56 ` Kevin Wolf
2013-04-15 15:38 ` Gleb Natapov [this message]
2013-04-15 15:42 ` Kevin Wolf
2013-04-15 15:49 ` Gleb Natapov
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