linux-kernel - Re: [v2 PATCH] RISC-V: Optimize tlb flush path.

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Message-ID: <20190821144552.GB4925@infradead.org>
Date:   Wed, 21 Aug 2019 07:45:52 -0700
From:   "hch@...radead.org" <hch@...radead.org>
To:     Atish Patra <atish.patra@....com>
Cc:     linux-kernel@...r.kernel.org, Albert Ou <aou@...s.berkeley.edu>,
        Anup Patel <anup@...infault.org>,
        Palmer Dabbelt <palmer@...ive.com>,
        "hch@...radead.org" <hch@...radead.org>,
        Andreas Schwab <schwab@...ux-m68k.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        linux-riscv@...ts.infradead.org,
        Allison Randal <allison@...utok.net>
Subject: Re: [v2 PATCH] RISC-V: Optimize tlb flush path.

Btw, for the next version it also might make sense to do one
optimization at a time.  E.g. the empty cpumask one as the
first patch, the local cpu directly one next, and the threshold
based full flush as a third.