linux-kernel - Re: [PATCH v3 6/9] KVM: nSVM: move kvm_set_cr3() after nested_svm_uninit_mmu

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <2782f686-1fd5-7042-1a4a-72875ebbf5cf@redhat.com>
Date:   Thu, 9 Jul 2020 19:51:49 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Vitaly Kuznetsov <vkuznets@...hat.com>, kvm@...r.kernel.org
Cc:     Sean Christopherson <sean.j.christopherson@...el.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Junaid Shahid <junaids@...gle.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 6/9] KVM: nSVM: move kvm_set_cr3() after
 nested_svm_uninit_mmu_context()

On 09/07/20 16:53, Vitaly Kuznetsov wrote:
> Note, the change is effectively a nop: when !npt_enabled,
> nested_svm_uninit_mmu_context() does nothing (as we don't do
> nested_svm_init_mmu_context()) and with npt_enabled we don't
> do kvm_set_cr3() but we're about to switch to nested_svm_load_cr3().

Thanks for pointing this out!

Paolo