linux-kernel - Re: [PATCHv2 6/8] x86/dump_pagetables: Add support 5-level paging

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: <20170328213859.cltufwo5pdrhzna6@pd.tnic>
Date:   Tue, 28 Mar 2017 23:38:59 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     "Kirill A. Shutemov" <kirill@...temov.name>
Cc:     "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>, x86@...nel.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, Andi Kleen <ak@...ux.intel.com>,
        Dave Hansen <dave.hansen@...el.com>,
        Andy Lutomirski <luto@...capital.net>,
        linux-arch@...r.kernel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCHv2 6/8] x86/dump_pagetables: Add support 5-level paging

On Wed, Mar 29, 2017 at 12:15:07AM +0300, Kirill A. Shutemov wrote:
> On current tip/master?

tip/master from Monday:

commit d3b6ed97fbc63219e262faca86da2fe62885eff2 (refs/remotes/tip/master)
Merge: 399c980bd22b f2a6a7050109
Author: Ingo Molnar <mingo@...nel.org>
Date:   Mon Mar 27 10:48:30 2017 +0200

    Merge branch 'x86/mm'

> I'm not sure that collapsing history in one commit to fix bisectability is
> any better than having broken bisectability.

Of course it is better. How do you tell everyone who bisects in the
future to jump over those commits?

So perhaps not a single commit but at least meld those together which
change pagetable walking like the current example and cause a breakage.

Thanks.

-- 
Regards/Gruss,
    Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.