linux-kernel - Re: [PATCH v2] mm: remove unnecessary __get_user_pages

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]

Date:   Thu, 27 Oct 2016 10:32:59 +0100
From:   Lorenzo Stoakes <lstoakes@...il.com>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Michal Hocko <mhocko@...nel.org>, Jan Kara <jack@...e.cz>,
        Hugh Dickins <hughd@...gle.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Rik van Riel <riel@...hat.com>,
        Mel Gorman <mgorman@...hsingularity.net>,
        Radim Krčmář <rkrcmar@...hat.com>,
        kvm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] mm: remove unnecessary __get_user_pages_unlocked()
 calls

On Thu, Oct 27, 2016 at 11:27:24AM +0200, Paolo Bonzini wrote:
>
>
> On 27/10/2016 02:12, Andrew Morton wrote:
> >
> >
> >> Subject: [PATCH v2] mm: remove unnecessary __get_user_pages_unlocked() calls
> >
> > The patch is rather misidentified.
> >
> >>  virt/kvm/async_pf.c | 7 ++++---
> >>  virt/kvm/kvm_main.c | 5 ++---
> >>  2 files changed, 6 insertions(+), 6 deletions(-)
> >
> > It's a KVM patch and should have been called "kvm: remove ...".
> > Possibly the KVM maintainers will miss it for this reason.
>
> I noticed it, but I confused it with "mm: unexport __get_user_pages()".
>
> I'll merge this through the KVM tree for -rc3.

Actually Paolo could you hold off on this? As I think on reflection it'd make
more sense to batch this change up with a change to get_user_pages_remote() as
suggested by Michal.