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[213.95.11.211]) by mx.google.com with ESMTPS id x14si27946367wrr.100.2019.07.23.09.19.09 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 23 Jul 2019 09:19:09 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of hch@lst.de designates 213.95.11.211 as permitted sender) client-ip=213.95.11.211; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of hch@lst.de designates 213.95.11.211 as permitted sender) smtp.mailfrom=hch@lst.de Received: by verein.lst.de (Postfix, from userid 2407) id 1950868B02; Tue, 23 Jul 2019 18:19:08 +0200 (CEST) Date: Tue, 23 Jul 2019 18:19:07 +0200 From: Christoph Hellwig To: Jason Gunthorpe Cc: Souptick Joarder , Christoph Hellwig , =?iso-8859-1?B?Suly9G1l?= Glisse , Ben Skeggs , Ralph Campbell , Linux-MM , "nouveau@lists.freedesktop.org" , "dri-devel@lists.freedesktop.org" , "linux-kernel@vger.kernel.org" , Felix Kuehling Subject: Re: [PATCH 1/6] mm: always return EBUSY for invalid ranges in hmm_range_{fault,snapshot} Message-ID: <20190723161907.GB1655@lst.de> References: <20190722094426.18563-1-hch@lst.de> <20190722094426.18563-2-hch@lst.de> <20190723145441.GI15331@mellanox.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190723145441.GI15331@mellanox.com> User-Agent: Mutt/1.5.17 (2007-11-01) 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 Tue, Jul 23, 2019 at 02:54:45PM +0000, Jason Gunthorpe wrote: > I think without the commit message I wouldn't have been able to > understand that, so Christoph, could you also add the comment below > please? I don't think this belongs into this patch. I can add it as a separate patch under your name and with your signoff if you are ok with that.