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([2001:b07:6468:f312:e8a3:73c:c711:b995]) by smtp.gmail.com with ESMTPSA id c6sm4042195wrs.57.2020.04.09.10.02.51 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 09 Apr 2020 10:02:52 -0700 (PDT) Subject: Re: [PATCH] exec: fetch the alignment of Linux devdax pmem character device nodes To: Dan Williams , "Liu, Jingqi" References: <20200401031314.11592-1-jingqi.liu@intel.com> <3873cb30-608c-6a27-c19f-f6446898796f@oracle.com> <9959e648-94f6-3be3-2271-3d2b855e7e48@intel.com> <6c12c748-6ee6-7132-f54b-bf0f90ae84c2@oracle.com> <2e2ba0c4-88ed-dc37-c642-a1cc7ae98f05@intel.com> From: Paolo Bonzini Message-ID: Date: Thu, 9 Apr 2020 19:02:51 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 205.139.110.120 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Joao Martins , "qemu-devel@nongnu.org" , Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 09/04/20 18:46, Dan Williams wrote: > Alternatively maybe you can use libdaxctl that automatically handles > the ABI differences between compat-dax-class and dax-bus layouts? I > didn't recommend it before because I was not sure about qemu's policy > about taking on new library dependencies In this case I think the new dependency is more than justified, thanks! Paolo