From: Paolo Bonzini <pbonzini@redhat.com>
To: David Matlack <dmatlack@google.com>
Cc: kvm list <kvm@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Andy Lutomirski <luto@amacapital.net>,
stable@vger.kernel.org
Subject: Re: [PATCH] kvm: x86: do not leak guest xcr0 into host interrupt handlers
Date: Tue, 5 Apr 2016 18:07:23 +0200 [thread overview]
Message-ID: <5703E2BB.8070707@redhat.com> (raw)
In-Reply-To: <CALzav=d98+Y4FzVi-U_cJ7CboabRK8CQpkdvsEG6PpgjMMYQTQ@mail.gmail.com>
On 05/04/2016 17:56, David Matlack wrote:
> > I'm going to rerun the tests without this patch, as it seems the most
> > likely culprit, and leave it out of the pull request if they pass.
>
> Agreed this is a very likely culprit. I think I see one way the
> guest's xcr0 can leak into the host. I will do some testing an send
> another version. Thanks.
Tests passed without this patch.
Paolo
next prev parent reply other threads:[~2016-04-05 16:07 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-30 19:24 [PATCH] kvm: x86: do not leak guest xcr0 into host interrupt handlers David Matlack
2016-03-31 8:05 ` Paolo Bonzini
2016-04-05 11:28 ` Paolo Bonzini
2016-04-05 15:56 ` David Matlack
2016-04-05 16:07 ` Paolo Bonzini [this message]
2016-04-07 9:08 ` Paolo Bonzini
2016-04-07 18:18 ` David Matlack
2016-04-07 19:03 ` Paolo Bonzini
2016-04-08 16:25 ` David Matlack
2016-04-08 16:50 ` Paolo Bonzini
2016-04-08 16:54 ` David Matlack
2016-04-22 7:30 ` Wanpeng Li
2016-04-22 17:21 ` David Matlack
2016-04-23 22:37 ` Wanpeng Li
-- strict thread matches above, loose matches on Subject: below --
2017-09-05 7:46 Lizhen You
2017-09-07 14:40 ` Greg KH
2017-09-08 1:28 ` You, Lizhen
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