linux-kernel - Re: [PATCH] KVM: vmx: hyper-v: don't pass EPT configuration info to vmx_hv_remote_flush

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] [day] [month] [year] [list]

Message-ID: <a536568a-a4bf-c1ea-8027-ff3ff3f0ee37@redhat.com>
Date:   Sat, 13 Oct 2018 11:39:46 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Vitaly Kuznetsov <vkuznets@...hat.com>,
        Tianyu Lan <lantianyu1986@...il.com>
Cc:     kvm <kvm@...r.kernel.org>, Radim Krcmar <rkrcmar@...hat.com>,
        kys@...rosoft.com, haiyangz@...rosoft.com, sthemmin@...rosoft.com,
        Michael.H.Kelley@...rosoft.com,
        Tianyu Lan <Tianyu.Lan@...rosoft.com>,
        "linux-kernel@...r kernel org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] KVM: vmx: hyper-v: don't pass EPT configuration info to
 vmx_hv_remote_flush_tlb()

On 11/10/2018 15:00, Vitaly Kuznetsov wrote:
>> Yes. that need to rename ept_pointer.
>>
> Honestly, I would prefer to keep more information cached, e.g. if
> someone needs EPT configuration data later he can easily get it from
> ept_pointer and by putting raw cr3 there we'll just keep less.
> 
> But I don't have a strong opinion, I'll leave it up to the maintainers
> to tell us how to proceed)
> 

I have (re)applied your patch (I had queued it and tested it earlier,
now I've added it back).

Paolo