From: Paolo Bonzini <pbonzini@redhat.com>
To: Gleb Natapov <gleb@redhat.com>
Cc: kvm@vger.kernel.org, Marcelo Tosatti <mtosatti@redhat.com>,
Jan Kiszka <jan.kiszka@siemens.com>,
Alexander Graf <agraf@suse.de>
Subject: Re: [PATCH 4/4] KVM: nVMX: Do not generate #DF if #PF happens during exception delivery into L2
Date: Wed, 25 Sep 2013 15:53:47 +0200 [thread overview]
Message-ID: <5242EAEB.1040700@redhat.com> (raw)
In-Reply-To: <20130925133642.GB30317@redhat.com>
Il 25/09/2013 15:36, Gleb Natapov ha scritto:
>> > I'm asking because I didn't find any other place that modifies function
>> > pointers this way after kvm_mmu_reset_context.
>> >
> nested_ept_init_mmu_context() modify the pointer. Not after
> kvm_mmu_reset_context() but it does not matter much. The canonical way
> to do what I did here would be to create special mmu context to handle
> shadow on shadow, bit the only difference between it and regular shadow
> one would be this pointer, so it looked like overkill. Just changing the
> pointer do the trick.
Ok, I think it's possible to clean up the code a bit but I can do that
on top of your patches.
Paolo
next prev parent reply other threads:[~2013-09-25 13:53 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-25 9:51 [PATCH 0/4] Fix shadow-on-shadow nested VMX Gleb Natapov
2013-09-25 9:51 ` [PATCH 1/4] KVM: nVMX: Amend nested_run_pending logic Gleb Natapov
2013-09-25 9:51 ` [PATCH 2/4] KVM: nVMX: Do not put exception that caused vmexit to IDT_VECTORING_INFO Gleb Natapov
2013-09-25 9:51 ` [PATCH 3/4] KVM: nVMX: Check all exceptions for intercept during delivery to L2 Gleb Natapov
2013-09-25 10:38 ` Paolo Bonzini
2013-09-25 11:00 ` Gleb Natapov
2013-09-25 11:25 ` Paolo Bonzini
2013-09-25 11:52 ` Gleb Natapov
2013-09-25 14:00 ` Paolo Bonzini
2013-09-25 14:19 ` Gleb Natapov
2013-09-25 14:22 ` Paolo Bonzini
2013-09-25 16:31 ` Gleb Natapov
2013-09-25 9:51 ` [PATCH 4/4] KVM: nVMX: Do not generate #DF if #PF happens during exception delivery into L2 Gleb Natapov
2013-09-25 11:24 ` Paolo Bonzini
2013-09-25 11:51 ` Gleb Natapov
2013-09-25 12:08 ` Paolo Bonzini
2013-09-25 12:21 ` Gleb Natapov
2013-09-25 13:26 ` Paolo Bonzini
2013-09-25 13:36 ` Gleb Natapov
2013-09-25 13:53 ` Paolo Bonzini [this message]
2013-09-26 15:10 ` [PATCH 0/4] Fix shadow-on-shadow nested VMX Paolo Bonzini
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