From: Avi Kivity <avi@redhat.com>
To: Sheng Yang <sheng@linux.intel.com>
Cc: kvm@vger.kernel.org
Subject: Re: [PATCH] KVM: VMX: Set IGMT bit in EPT entry
Date: Thu, 06 Nov 2008 14:54:31 +0200 [thread overview]
Message-ID: <4912E907.7090403@redhat.com> (raw)
In-Reply-To: <1225954545-8280-1-git-send-email-sheng@linux.intel.com>
Sheng Yang wrote:
> (Patch for 2.6.27, based on kvm-updates/2.6.27)
>
> There is a potential issue that, when guest using pagetable without vmexit when
> EPT enabled, guest would use PAT/PCD/PWT bits to index PAT msr for it's memory,
> which would be inconsistent with host side and would cause host MCE due to
> inconsistent cache attribute.
>
> The patch set IGMT bit in EPT entry to ignore guest PAT and use WB as default
> memory type to protect host (notice that all memory mapped by KVM should be WB).
>
Applied, thanks.
(I applied it to 2.6.28; in general -stable does not accept patches
until they have been merged into mainline)
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2008-11-06 12:54 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-06 6:55 [PATCH] KVM: VMX: Set IGMT bit in EPT entry Sheng Yang
2008-11-06 12:54 ` Avi Kivity [this message]
2008-11-06 13:47 ` Anthony Liguori
2008-11-07 1:26 ` Sheng Yang
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