linux-kernel - Re: [PATCH v3 0/3] fix free pmd/pte page handlings on x86

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: <alpine.DEB.2.21.1806261043080.2204@nanos.tec.linutronix.de>
Date:   Tue, 26 Jun 2018 10:45:11 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Michal Hocko <mhocko@...nel.org>
cc:     "Kani, Toshi" <toshi.kani@....com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "x86@...nel.org" <x86@...nel.org>,
        "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        "hpa@...or.com" <hpa@...or.com>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "cpandya@...eaurora.org" <cpandya@...eaurora.org>
Subject: Re: [PATCH v3 0/3] fix free pmd/pte page handlings on x86

On Tue, 26 Jun 2018, Michal Hocko wrote:
> On Mon 25-06-18 21:15:03, Kani Toshimitsu wrote:
> > Lastly, for the code maintenance, I believe this memory allocation keeps
> > the code much simpler than it would otherwise need to manage a special
> > page list.
> 
> Yes, I can see a simplicity as a reasonable argument for a quick fix,
> which these pile is supposed to be AFAIU. So this might be good to go
> from that perspective, but I believe that this should be changed in
> future at least.

So the conclusion is, that we ship this set of patches now to cure the
existing wreckage, right?

Fine with that, but who will take care of reworking it proper? I'm
concerned that this will just go stale the moment the fixes hit the tree.

Thanks,

	tglx