linux-kernel - Re: [PATCHv9 00/14] Linear Address Masking enabling

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Date:   Thu, 6 Oct 2022 19:41:34 +0300
From:   "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
To:     Alexander Potapenko <glider@...gle.com>
Cc:     Dave Hansen <dave.hansen@...ux.intel.com>,
        Andy Lutomirski <luto@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        the arch/x86 maintainers <x86@...nel.org>,
        Kostya Serebryany <kcc@...gle.com>,
        Andrey Ryabinin <ryabinin.a.a@...il.com>,
        Andrey Konovalov <andreyknvl@...il.com>,
        Taras Madan <tarasmadan@...gle.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        "H . J . Lu" <hjl.tools@...il.com>,
        Andi Kleen <ak@...ux.intel.com>,
        Rick Edgecombe <rick.p.edgecombe@...el.com>,
        Bharata B Rao <bharata@....com>,
        Jacob Pan <jacob.jun.pan@...ux.intel.com>,
        Ashok Raj <ashok.raj@...el.com>,
        Linux Memory Management List <linux-mm@...ck.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCHv9 00/14] Linear Address Masking enabling

On Thu, Oct 06, 2022 at 03:58:21PM +0200, Alexander Potapenko wrote:
> On Fri, Sep 30, 2022 at 4:48 PM Kirill A. Shutemov
> <kirill.shutemov@...ux.intel.com> wrote:
> >
> > Linear Address Masking[1] (LAM) modifies the checking that is applied to
> > 64-bit linear addresses, allowing software to use of the untranslated
> > address bits for metadata.
> >
> > The capability can be used for efficient address sanitizers (ASAN)
> > implementation and for optimizations in virtual machines.
> >
> > The patchset brings support for LAM for userspace addresses. Only LAM_U57 at
> > this time.
> >
> > Please review and consider applying.
> >
> > git://git.kernel.org/pub/scm/linux/kernel/git/kas/linux.git lam
> 
> Not a big deal, but this tree contains LAM_U48 patches, and after
> skipping those the SVM patch does not apply cleanly.

Sorry, forgot to push the update. Pushed now.

-- 
  Kiryl Shutsemau / Kirill A. Shutemov