linux-kernel - Re: [RFC PATCH 0/2] minor mmu

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Message-ID: <20180824080548.GH24124@hirez.programming.kicks-ass.net>
Date:   Fri, 24 Aug 2018 10:05:48 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Nick Piggin <npiggin@...il.com>,
        Andrew Lutomirski <luto@...nel.org>,
        the arch/x86 maintainers <x86@...nel.org>,
        Borislav Petkov <bp@...en8.de>,
        Will Deacon <will.deacon@....com>,
        Rik van Riel <riel@...riel.com>,
        Jann Horn <jannh@...gle.com>,
        Adin Scannell <ascannell@...gle.com>,
        Dave Hansen <dave.hansen@...el.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-mm <linux-mm@...ck.org>,
        David Miller <davem@...emloft.net>,
        Martin Schwidefsky <schwidefsky@...ibm.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        linux-arch <linux-arch@...r.kernel.org>
Subject: Re: [RFC PATCH 0/2] minor mmu_gather patches

On Thu, Aug 23, 2018 at 12:15:37PM -0700, Linus Torvalds wrote:
> PeterZ - your "mm/tlb, x86/mm: Support invalidating TLB caches for
> RCU_TABLE_FREE" patch looks exactly the same, but it now no longer has
> the split of tlb_flush_mmu_tlbonly(), since with Nick's patch to move
> the call to tlb_table_flush(tlb) into tlb_flush_mmu_free, there's no
> need for the separate double-underscore version.
> 
> I hope nothing I did screwed things up. It all looks sane to me.
> Famous last words.

Sorry; I got distracted by building a bunk bed for the kids -- and
somehow these things always take way more time than expected.

Anyway, the code looks good to me. Thanks all!