From: Avi Kivity <avi@qumranet.com>
To: Marcelo Tosatti <mtosatti@redhat.com>
Cc: kvm-devel@lists.sourceforge.net
Subject: Re: [patch 4/5] KVM: ignore zapped root pagetables (v2)
Date: Thu, 21 Feb 2008 17:57:51 +0200 [thread overview]
Message-ID: <47BD9F7F.50305@qumranet.com> (raw)
In-Reply-To: <20080220195019.790337593@harmony.lab.boston.redhat.com>
Marcelo Tosatti wrote:
> Mark zapped root pagetables as invalid and ignore such pages during lookup.
>
> This is a problem with the cr3-target feature, where a zapped root table fools
> the faulting code into creating a read-only mapping. The result is a lockup
> if the instruction can't be emulated.
>
>
Applied this patch, as it is independent; thanks.
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next prev parent reply other threads:[~2008-02-21 15:57 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-20 19:47 [patch 0/5] KVM paravirt MMU updates and cr3 caching (v2) Marcelo Tosatti
2008-02-20 19:47 ` [patch 1/5] KVM: add basic paravirt support (v2) Marcelo Tosatti
2008-02-21 15:38 ` Avi Kivity
2008-02-21 15:55 ` Marcelo Tosatti
2008-02-21 18:31 ` Avi Kivity
2008-02-20 19:47 ` [patch 2/5] KVM: hypercall based pte updates and TLB flushes (v2) Marcelo Tosatti
2008-02-21 15:43 ` Avi Kivity
2008-02-20 19:47 ` [patch 3/5] KVM: hypercall batching (v2) Marcelo Tosatti
2008-02-21 15:52 ` Avi Kivity
2008-02-21 18:05 ` Marcelo Tosatti
2008-02-21 18:30 ` Avi Kivity
2008-02-21 19:31 ` Marcelo Tosatti
2008-02-22 7:10 ` Avi Kivity
2008-02-20 19:47 ` [patch 4/5] KVM: ignore zapped root pagetables (v2) Marcelo Tosatti
2008-02-21 15:57 ` Avi Kivity [this message]
2008-02-20 19:47 ` [patch 5/5] KVM: VMX cr3 cache support (v2) Marcelo Tosatti
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