linux-kernel - Re: [PATCH 1/1] kvm: mmu: zap pages when zapping only parent

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:   Fri, 7 Aug 2020 22:06:23 -0700
From:   Sean Christopherson <sean.j.christopherson@...el.com>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     Ben Gardon <bgardon@...gle.com>, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org, linux-kselftest@...r.kernel.org,
        Peter Xu <peterx@...hat.com>, Peter Shier <pshier@...gle.com>
Subject: Re: [PATCH 1/1] kvm: mmu: zap pages when zapping only parent

On Wed, Aug 05, 2020 at 08:48:03PM +0200, Paolo Bonzini wrote:
> On 05/08/20 19:10, Ben Gardon wrote:
> >>
> >> Alternatively, what about moving this logic into mmu_page_zap_pte()?  That
> >> can be done with a little massaging of FNAME(invlpg) and would avoid what is
> >> effectively redundant checks on is_shadow_present_pte() and is_last_spte().
> >> Patches attached and somewhat tested.
> > That seems like a good change to me and the patches you attached look
> > good to me. I'm happy to review them more if you want to send them to
> > the mailing list as their own series. Thanks for putting them
> > together.
> > 
> 
> Thanks, I'll wait for that.

Sorry for the delay, been buried with internal stuff.  I'll get the series
posted on Monday.