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Date:   Wed, 21 Aug 2019 07:45:52 -0700
From:   "hch@infradead.org" <hch@infradead.org>
To:     Atish Patra <atish.patra@wdc.com>
Cc:     linux-kernel@vger.kernel.org, Albert Ou <aou@eecs.berkeley.edu>,
        Anup Patel <anup@brainfault.org>,
        Palmer Dabbelt <palmer@sifive.com>,
        "hch@infradead.org" <hch@infradead.org>,
        Andreas Schwab <schwab@linux-m68k.org>,
        Paul Walmsley <paul.walmsley@sifive.com>,
        linux-riscv@lists.infradead.org,
        Allison Randal <allison@lohutok.net>
Subject: Re: [v2 PATCH] RISC-V: Optimize tlb flush path.
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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.