linux-kernel - Re: [PATCH v3 0/5] mm/mprotect: avoid unnecessary TLB flushes

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Date:   Fri, 11 Mar 2022 18:40:48 +0000
From:   Nadav Amit <namit@...are.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
CC:     Linux-MM <linux-mm@...ck.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Andi Kleen <ak@...ux.intel.com>,
        Andrea Arcangeli <aarcange@...hat.com>,
        Andrew Cooper <andrew.cooper3@...rix.com>,
        Andy Lutomirski <luto@...nel.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Peter Xu <peterx@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Will Deacon <will@...nel.org>, Yu Zhao <yuzhao@...gle.com>,
        Nick Piggin <npiggin@...il.com>,
        "x86@...nel.org" <x86@...nel.org>
Subject: Re: [PATCH v3 0/5] mm/mprotect: avoid unnecessary TLB flushes



> On Mar 9, 2022, at 1:40 PM, Andrew Morton <akpm@...ux-foundation.org> wrote:
> 
> On Tue,  8 Mar 2022 20:10:38 -0800 Nadav Amit <nadav.amit@...il.com> wrote:
> 
>> This patch-set is intended to remove unnecessary TLB flushes during
>> mprotect() syscalls. Once this patch-set make it through, similar
>> and further optimizations for MADV_COLD and userfaultfd would be
>> possible.
> 
> Thanks.  I'll save this away for consideration after the -rc1 release. 
> Which gives others plenty of time for review (hint) (request).
> 

I see that some patches did not make it through to the mailing list.

I will resend later today.