From: Marcelo Tosatti <mtosatti@redhat.com>
To: Avi Kivity <avi@redhat.com>
Cc: Joerg Roedel <joerg.roedel@amd.com>,
Alexander Graf <agraf@suse.de>,
kvm@vger.kernel.org
Subject: Re: [PATCH 5/6] Nested SVM: Implement INVLPGA
Date: Mon, 18 May 2009 15:46:20 -0300 [thread overview]
Message-ID: <20090518184620.GA15749@amt.cnet> (raw)
In-Reply-To: <4A106DA8.6070200@redhat.com>
On Sun, May 17, 2009 at 11:03:52PM +0300, Avi Kivity wrote:
> Avi Kivity wrote:
>>>
>>> Hmm, since we flush the TLB on every nested-guest entry I think we can
>>> make this function a nop.
>>>
>>
>> I think, unless it specified ASID 0? In that case you need a local
>> tlb flush.
>>
>> (the kvm_mmu_reset_context() and kvm_mmu_load() are total overkills in
>> any case).
>>
>
> Oh, but we do need to resync OOS pages, here for ASID 0 and on guest
> entry. Marcelo?
Right, call kvm_mmu_invlpg() with the linear address passed to INVLPGA.
next prev parent reply other threads:[~2009-05-18 18:47 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-15 8:22 [PATCH 0/6] Add rudimentary Hyper-V guest support Alexander Graf
2009-05-15 8:22 ` [PATCH 1/6] Add definition for IGNNE MSR Alexander Graf
2009-05-15 8:22 ` [PATCH 2/6] MMU: don't bail on PAT bits in PTE Alexander Graf
2009-05-15 8:22 ` [PATCH 3/6] Emulator: Inject #PF when page was not found Alexander Graf
2009-05-15 8:22 ` [PATCH 4/6] Implement Hyper-V MSRs Alexander Graf
2009-05-15 8:22 ` [PATCH 5/6] Nested SVM: Implement INVLPGA Alexander Graf
2009-05-15 8:22 ` [PATCH 6/6] Nested SVM: Improve interrupt injection Alexander Graf
2009-05-17 6:48 ` Gleb Natapov
2009-05-17 8:10 ` Alexander Graf
2009-05-18 11:47 ` Alexander Graf
2009-05-15 13:43 ` [PATCH 5/6] Nested SVM: Implement INVLPGA Joerg Roedel
2009-05-17 20:02 ` Avi Kivity
2009-05-17 20:03 ` Avi Kivity
2009-05-18 18:46 ` Marcelo Tosatti [this message]
2009-05-18 13:00 ` Alexander Graf
2009-05-17 9:54 ` [PATCH 4/6] Implement Hyper-V MSRs Avi Kivity
2009-05-17 19:57 ` Alexander Graf
2009-05-17 20:00 ` Avi Kivity
2009-05-17 20:27 ` Alexander Graf
2009-05-17 20:37 ` Alexander Graf
2009-05-15 13:40 ` [PATCH 3/6] Emulator: Inject #PF when page was not found Joerg Roedel
2009-05-17 19:59 ` Avi Kivity
2009-05-17 20:25 ` Alexander Graf
2009-05-17 20:58 ` Avi Kivity
2009-05-18 12:55 ` Alexander Graf
2009-05-15 10:25 ` [PATCH 2/6] MMU: don't bail on PAT bits in PTE Michael S. Tsirkin
2009-05-15 10:53 ` Alexander Graf
2009-05-15 13:19 ` Joerg Roedel
2009-05-17 9:51 ` Avi Kivity
2009-05-15 10:47 ` [PATCH 0/6] Add rudimentary Hyper-V guest support Alexander Graf
2009-05-17 21:08 ` Avi Kivity
2009-05-18 12:45 ` Alexander Graf
2009-05-18 13:29 ` Avi Kivity
2009-05-18 13:35 ` Alexander Graf
2009-05-18 13:44 ` Avi Kivity
2009-05-18 15:15 ` Alexander Graf
2009-05-18 15:20 ` Avi Kivity
2009-05-18 15:24 ` Alexander Graf
2009-05-18 15:28 ` Avi Kivity
2009-05-18 15:32 ` Alexander Graf
2009-05-18 15:35 ` Avi Kivity
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