linux-kernel - Re: [PATCH 01/10] KVM: nVMX: Move reflection check into nested_vmx_reflect

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]

Date:   Tue, 17 Mar 2020 11:01:47 -0700
From:   Sean Christopherson <sean.j.christopherson@...el.com>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Joerg Roedel <joro@...tes.org>, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org, Xiaoyao Li <xiaoyao.li@...el.com>
Subject: Re: [PATCH 01/10] KVM: nVMX: Move reflection check into
 nested_vmx_reflect_vmexit()

On Tue, Mar 17, 2020 at 06:38:20PM +0100, Paolo Bonzini wrote:
> On 17/03/20 18:00, Vitaly Kuznetsov wrote:
> > 
> > On the other hand, I'm a great fan of splitting checkers ('pure'
> > functions) from actors (functions with 'side-effects') and
> > nested_vmx_exit_reflected() while looking like a checker does a lot of
> > 'acting': nested_mark_vmcs12_pages_dirty(), trace printk.
> 
> Good idea (trace_printk is not a big deal, but
> nested_mark_vmcs12_pages_dirty should be done outside).  I'll send a
> patch, just to show that I can still write KVM code. :)

LOL, don't jinx yourself.