From: Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
To: Joerg Roedel <joerg.roedel-5C7GfCeVMHo@public.gmane.org>
Cc: kvm-devel
<kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>,
Markus Rechberger
<markus.rechberger-5C7GfCeVMHo@public.gmane.org>
Subject: Re: [PATCH] SVM: fix lazy FPU switching
Date: Mon, 21 Jan 2008 19:42:10 +0200 [thread overview]
Message-ID: <4794D972.5040400@qumranet.com> (raw)
In-Reply-To: <1200917373-6928-1-git-send-email-joerg.roedel-5C7GfCeVMHo@public.gmane.org>
Joerg Roedel wrote:
> If the guest writes to cr0 and leaves the TS flag at 0 while vcpu->fpu_active
> is also 0, the TS flag in the guests cr0 gets lost. This leads to corrupt FPU
> state an causes Windows Vista 64bit to crash very soon after boot. This patch
> fixes this bug.
>
>
Applied, thanks.
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next prev parent reply other threads:[~2008-01-21 17:42 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-21 12:09 [PATCH] SVM: fix lazy FPU switching Joerg Roedel
[not found] ` <1200917373-6928-1-git-send-email-joerg.roedel-5C7GfCeVMHo@public.gmane.org>
2008-01-21 17:42 ` Avi Kivity [this message]
-- strict thread matches above, loose matches on Subject: below --
2008-01-17 14:39 Joerg Roedel
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