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From: Avi Kivity <avi@redhat.com>
To: Marcelo Tosatti <mtosatti@redhat.com>
Cc: kvm@vger.kernel.org, sheng.yang@intel.com
Subject: Re: [patch 3/5] KVM: MMU: add kvm_mmu_shadow_walk helper
Date: Thu, 11 Jun 2009 06:20:57 +0300	[thread overview]
Message-ID: <4A307819.6010503@redhat.com> (raw)
In-Reply-To: <4A2FD01A.5090208@redhat.com>

On 06/10/2009 06:24 PM, Avi Kivity wrote:
>
> I just don't want to introduce yet another function-callback pair for 
> such a small thing.  No objection to the code itself.
>
> Printing out the spte hierarchy seems a good idea in other bug 
> contexts, so at least that function is reusable.
>

Here's one that preserves all information but is simple to use:

    kvm_mmu_get_spte_hierarchy(vcpu, gva, int *nr_sptes, u64 sptes[4])

So you can later do detailed checks on the sptes, but it doesn't expose 
yet another generic walker.

-- 
Do not meddle in the internals of kernels, for they are subtle and quick to panic.


  reply	other threads:[~2009-06-11  3:21 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-06-09 21:30 [patch 0/5] VMX EPT misconfigurtion handler Marcelo Tosatti
2009-06-09 21:30 ` [patch 1/5] KVM: VMX: more MSR_IA32_VMX_EPT_VPID_CAP capability bits Marcelo Tosatti
2009-06-09 21:30 ` [patch 2/5] KVM: MMU: make for_each_shadow_entry aware of largepages Marcelo Tosatti
2009-06-10  9:15   ` Avi Kivity
2009-06-10  9:21     ` Avi Kivity
2009-06-11 12:38       ` Marcelo Tosatti
2009-06-11 14:17         ` Avi Kivity
2009-06-09 21:30 ` [patch 3/5] KVM: MMU: add kvm_mmu_shadow_walk helper Marcelo Tosatti
2009-06-10  9:17   ` Avi Kivity
2009-06-10 12:14     ` Marcelo Tosatti
2009-06-10 12:23       ` Avi Kivity
2009-06-10 13:17         ` Marcelo Tosatti
2009-06-10 15:24           ` Avi Kivity
2009-06-11  3:20             ` Avi Kivity [this message]
2009-06-11 14:02               ` [patch 0/5] VMX EPT misconfiguration handler v2 Marcelo Tosatti
2009-06-11 14:02               ` [patch 1/5] KVM: VMX: more MSR_IA32_VMX_EPT_VPID_CAP capability bits Marcelo Tosatti
2009-06-11 14:02               ` [patch 2/5] KVM: MMU: make for_each_shadow_entry aware of largepages Marcelo Tosatti
2009-06-11 14:02               ` [patch 3/5] KVM: MMU: add kvm_mmu_get_spte_hierarchy helper Marcelo Tosatti
2009-06-11 14:31                 ` Avi Kivity
2009-06-11 15:07                   ` [patch 0/5] VMX EPT misconfiguration handler v3 Marcelo Tosatti
2009-06-14  9:54                     ` Avi Kivity
2009-06-11 15:07                   ` [patch 1/5] KVM: VMX: more MSR_IA32_VMX_EPT_VPID_CAP capability bits Marcelo Tosatti
2009-06-11 15:07                   ` [patch 2/5] KVM: MMU: make for_each_shadow_entry aware of largepages Marcelo Tosatti
2009-06-11 15:07                   ` [patch 3/5] KVM: MMU: add kvm_mmu_get_spte_hierarchy helper Marcelo Tosatti
2009-06-11 15:07                   ` [patch 4/5] KVM: VMX: EPT misconfiguration handler Marcelo Tosatti
2009-06-11 15:07                   ` [patch 5/5] KVM: VMX: conditionally disable 2M pages Marcelo Tosatti
2009-06-11 14:02               ` [patch 4/5] KVM: VMX: EPT misconfiguration handler Marcelo Tosatti
2009-06-11 14:02               ` [patch 5/5] KVM: VMX: conditionally disable 2M pages Marcelo Tosatti
2009-06-09 21:30 ` [patch 4/5] KVM: VMX: EPT misconfiguration handler Marcelo Tosatti
2009-06-09 21:30 ` [patch 5/5] KVM: VMX: conditionally disable 2M pages Marcelo Tosatti
2009-06-10  9:18   ` Avi Kivity
2009-06-10  9:13 ` [patch 0/5] VMX EPT misconfigurtion handler Yang, Sheng

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