From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sasha Levin Subject: Re: [PATCH v2] libnvdimm/pmem: Bypass CONFIG_HARDENED_USERCOPY overhead Date: Wed, 22 May 2019 01:23:47 +0000 Message-ID: <20190522012348.AF43621841@mail.kernel.org> References: <155837931725.876528.6291628638777172042.stgit@dwillia2-desk3.amr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <155837931725.876528.6291628638777172042.stgit-p8uTFz9XbKj2zm6wflaqv1nYeNYlB/vhral2JQCrhuEAvxtiuMwx3w@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-nvdimm-bounces-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org Sender: "Linux-nvdimm" To: Sasha Levin , Dan Williams , linux-nvdimm-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org Cc: Matthew Wilcox , stable-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Ingo Molnar , Al Viro , Thomas Gleixner , Christoph Hellwig List-Id: linux-nvdimm@lists.01.org Hi, [This is an automated email] This commit has been processed because it contains a "Fixes:" tag, fixing commit: 0aed55af8834 x86, uaccess: introduce copy_from_iter_flushcache for pmem / cache-bypass operations. The bot has tested the following trees: v5.1.3, v5.0.17, v4.19.44, v4.14.120. v5.1.3: Build OK! v5.0.17: Build OK! v4.19.44: Build OK! v4.14.120: Failed to apply! Possible dependencies: 6dfdb2b6d877 ("pmem: Switch to copy_to_iter_mcsafe()") 976431b02c2e ("dax, dm: allow device-mapper to operate without dax support") 98d82f48f198 ("dm log writes: add support for DAX") b3a9a0c36e1f ("dax: Introduce a ->copy_to_iter dax operation") How should we proceed with this patch? -- Thanks, Sasha