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[209.85.220.65]) by mx.google.com with SMTPS id n125sor4670819oib.155.2019.06.17.13.36.56 for (Google Transport Security); Mon, 17 Jun 2019 13:36:56 -0700 (PDT) Received-SPF: pass (google.com: domain of dan.j.williams@intel.com designates 209.85.220.65 as permitted sender) client-ip=209.85.220.65; Authentication-Results: mx.google.com; dkim=pass header.i=@intel-com.20150623.gappssmtp.com header.s=20150623 header.b=iJnOfDSp; spf=pass (google.com: domain of dan.j.williams@intel.com designates 209.85.220.65 as permitted sender) smtp.mailfrom=dan.j.williams@intel.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=intel-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=WUuONrlgmwtIZdvsw0S0/4Mq9T1WyA1gy6J4VLXnacI=; b=iJnOfDSpsfcRrkO7Z3UmtsU/3SdEZ7eTfjySEwglR4kCk3eP1rlaXEv8n0WSdyQhgA KaWNKrnvNbK3Ivdrsdf3WrCRENxklnMUOfkYt77DH4iUmhsBJjRM+eotXHjLnTJ0fpft IRATZl7xjDYDdLodZoW7pDj5e/et1XUyWXubUfGW4vRD1RKoqQhNZy2/KBjKy8cusMgh 2woSBHrnLGC1xQF+N5ZRLi9uSQi5GRNsM2OXCHe8Pv4k1LMuUVnyUieU8WnCi9CQp/zd XBqL0kuZ9/hoegyaGxXD87pJJNEmxb5JL0BejjNLkP1oeIbdjPfVsh40yBVMT2gDQuUx ng8g== X-Google-Smtp-Source: APXvYqyP6F9zlBzZPah8lr14kIAj+Xnb/4HPIraAg3Phba4tJ1HESSkAprhGKci8EGOWV3IPPT/MSOptYr7l5lvozUE= X-Received: by 2002:aca:3006:: with SMTP id w6mr9263oiw.5.1560803816566; Mon, 17 Jun 2019 13:36:56 -0700 (PDT) MIME-Version: 1.0 References: <20190617122733.22432-1-hch@lst.de> <20190617122733.22432-8-hch@lst.de> <20190617195404.GA20275@lst.de> In-Reply-To: <20190617195404.GA20275@lst.de> From: Dan Williams Date: Mon, 17 Jun 2019 13:36:44 -0700 Message-ID: Subject: Re: [PATCH 07/25] memremap: validate the pagemap type passed to devm_memremap_pages To: Christoph Hellwig Cc: =?UTF-8?B?SsOpcsO0bWUgR2xpc3Nl?= , Jason Gunthorpe , Ben Skeggs , Linux MM , nouveau@lists.freedesktop.org, Maling list - DRI developers , linux-nvdimm , linux-pci@vger.kernel.org, Linux Kernel Mailing List Content-Type: text/plain; charset="UTF-8" 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 Mon, Jun 17, 2019 at 12:59 PM Christoph Hellwig wrote: > > On Mon, Jun 17, 2019 at 12:02:09PM -0700, Dan Williams wrote: > > Need a lead in patch that introduces MEMORY_DEVICE_DEVDAX, otherwise: > > Or maybe a MEMORY_DEVICE_DEFAULT = 0 shared by fsdax and p2pdma? I thought about that, but it seems is_pci_p2pdma_page() needs the distinction between the 2 types.