linux-kernel - Re: [PATCHv11 00/16] Linear Address Masking enabling

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Message-ID: <20221107112547.obnz775ponxjutrt@box.shutemov.name>
Date:   Mon, 7 Nov 2022 14:25:47 +0300
From:   "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
To:     Dave Hansen <dave.hansen@...ux.intel.com>,
        Andy Lutomirski <luto@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>
Cc:     x86@...nel.org, Kostya Serebryany <kcc@...gle.com>,
        Andrey Ryabinin <ryabinin.a.a@...il.com>,
        Andrey Konovalov <andreyknvl@...il.com>,
        Alexander Potapenko <glider@...gle.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-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCHv11 00/16] Linear Address Masking enabling

On Tue, Oct 25, 2022 at 03:17:06AM +0300, Kirill A. Shutemov 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 JITs and virtual machines.
> 
> The patchset brings support for LAM for userspace addresses. Only LAM_U57 at
> this time.
> 
> Please review and consider applying.

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-- 
  Kiryl Shutsemau / Kirill A. Shutemov