linux-kernel - Re: [PATCHv4 00/33] 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: <20170306190911.GB27719@node.shutemov.name>
Date:   Mon, 6 Mar 2017 22:09:11 +0300
From:   "Kirill A. Shutemov" <kirill@...temov.name>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        the arch/x86 maintainers <x86@...nel.org>,
        Ingo Molnar <mingo@...hat.com>, Arnd Bergmann <arnd@...db.de>,
        "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-arch@...r.kernel.org>,
        linux-mm <linux-mm@...ck.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCHv4 00/33] 5-level paging

On Mon, Mar 06, 2017 at 11:03:56AM -0800, Linus Torvalds wrote:
> On Mon, Mar 6, 2017 at 10:42 AM, Thomas Gleixner <tglx@...utronix.de> wrote:
> >
> > We probably need to split it apart:
> >
> >    - Apply the mm core only parts to a branch which can be pulled into
> >      Andrews mm-tree
> >
> >    - Base the x86 changes on top of it
> 
> I'll happily take some of the preparatory patches for 4.11 too. Some
> of them just don't seem to have any downside. The cpuid stuff, and the
> basic scaffolding we could easily merge early. That includes the dummy
> 5level code, ie "5level-fixup.h" and even some of the mm side that
> doesn't actually change anything and just prepares for the real code.

The first 7 patches are relatively low-risk. It would be nice to have them
in earlier.

I'm commited to address any possible drawbacks quickly if you considering
applying it into v4.11.

-- 
 Kirill A. Shutemov