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Thu, 16 Feb 2023 09:52:08 -0500 (EST) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.9.0-alpha0-156-g081acc5ed5-fm-20230206.001-g081acc5e Mime-Version: 1.0 Message-Id: In-Reply-To: References: <20230216123419.461016-1-bhe@redhat.com> <20230216123419.461016-2-bhe@redhat.com> <056cc71f-7fb9-4d38-a442-a05de6f7d437@app.fastmail.com> Date: Thu, 16 Feb 2023 15:51:50 +0100 From: "Arnd Bergmann" To: "Baoquan He" Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, "Andrew Morton" , "Christophe Leroy" , "Christoph Hellwig" , "Alexander Gordeev" , "Kefeng Wang" , "Niklas Schnelle" , "David Laight" , "Stafford Horne" , "Brian Cain" , linux-hexagon@vger.kernel.org Subject: Re: [PATCH v4 01/16] hexagon: mm: Convert to GENERIC_IOREMAP Content-Type: text/plain X-Rspam-User: X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: DCFDF40019 X-Stat-Signature: 61gz8ae3ewjj1ojprbjz1775z6ztcfcw X-HE-Tag: 1676559129-348871 X-HE-Meta: U2FsdGVkX1/kQzH6tdZaLGG6NOecdsRkqpN29V8oWKWLkF+g2ubMErjflfaR1MQeEHDOvXxA2T9pkqsS2DC2Aa8xtFegeuLC0/bgPb9lodwqKIzSKnpE88s062bWPiTbctdsR10rCOs3HW1bOkxlfVAuM+x125M3fQ1iGq4yGDvcfhJL2yPqPQxw/IWnzot+q0bSwQrFzyms7PFvFfBLoxbl2jAlbr5GpKwfx/fXckOtKdVWcGkfhvuu3EuApWBmWUj7JO2hN0j4lj2ZXa4I224boyXsIh12mns48ThQPKxrSaDD5AUq3gtKILEaUrF5gWIwa2L25GSfddS2l2Wv0V7x7zRs1sniToO3w/jANPX1kIKO9pEz+4ovVtSALBkGAoavXyOl3ku1WLSjbQFe3t5rCYZcgjDg2tufX5Dv+BNDBxwRRSpITJC7D7itI868EwHkXNGszqbjLyYkO2c6jg2xvpt6G1eC1yWGJnB1AXpnN28KbisFkWxzkoQQb8AUE9gEAkYcmC48ipRciiqDyVA8ieVwItt2uGrAO+K7AYBvTA95oh7qhX0zbl9ZuuxfakENiU2VBY6Aw0Pq6HjYz3LFfFgHNWoPheIz3XtpySRVr+aQt94Ov0gg9MocndjXoAlm/LfDY0l46Q43IZ8cNJwzuk26a6jnUHbA7jWKb9XEtKcQhmztVHtJeS/Q719ShPZStMo/i1iBE6fVKznZW6gri1JCouO3VffdFgaLW/KPnWoGWTHGZAz3WJ2qZZfOzMMENNI40grRyBZJD+62XsbKVr56jpNkxfsHYZzd3SDb24TDlS3siifb4ANr+Yh1iY+GWu0xehlLQ6cLIZ+8Jy6K3GwIT1gUtG6ZiJrLUAlmaudie0AQygfZHK34H6KIZMWvmZ+KG+pONipzFkD2TsfKPzFLr+R3Ebn9q5IMlSxYr8gG7KWzmId9appUUalUTfm1GnNMTHgCvq01N/D W6maw898 J+kqeJEPLjUy2ttyjpmfyv4BGCuoehZluerlOzI9H6DOHMz6CPt2vj8dusf4sPTz8yxkV4clXHmOF3y37QSTWYOrPY3j5tyFbz/B+bDL4bL3Nsr5y/YnI4HrUoZlfZCzMcfvC7BvrsWSBdRK//qrHB8V9Zv1Rmkh15ZvLLbWLgkuWX219miyiuNcCXimfbPM+R/706JAqMgGY07uJaGXV6KvGj85ZWv3tMeRcwOhgm2/heI2rLyhNT2jZpbC6Mit5ddzKgVxEQdQib8oCVQdwKZi0dBYxgK9s/xKJ+DRLGYxlSgjWz664b+AO2w== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Thu, Feb 16, 2023, at 15:47, Baoquan He wrote: > On 02/16/23 at 01:53pm, Arnd Bergmann wrote: >> On Thu, Feb 16, 2023, at 13:34, Baoquan He wrote: >> I see that there are only two callers of {devm_,}ioremap_uc() left in the >> tree, so maybe we can even take that final step and remove it from >> the interface. Maybe we can revisit [1] as part of this series. > > I see now. Christoph Hellwig ever mentioned in v2 reviewing, I > didn't get why. Thanks for the details. > https://lore.kernel.org/all/YwHX98KBEnZw9t6e@infradead.org/T/#u > > I am not sure if it's OK to do the change in this patchset, maybe > another patch? Yes, a separate patch would be ideal. If you do the same change in more than one architecture (other than ia64 and x86), you can combine those into one patch. Arnd