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Fri, 5 Oct 2018 11:53:27 +0000 (GMT) To: Maxime Coquelin , dev@dpdk.org, tiwei.bie@intel.com, zhihong.wang@intel.com, jfreimann@redhat.com, nicknickolaev@gmail.com, bruce.richardson@intel.com, alejandro.lucero@netronome.com Cc: dgilbert@redhat.com, stable@dpdk.org From: Ilya Maximets Date: Fri, 5 Oct 2018 14:55:48 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20181004081403.8039-11-maxime.coquelin@redhat.com> Content-Language: en-GB Content-Transfer-Encoding: 7bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrEKsWRmVeSWpSXmKPExsWy7djP87o7ArZHG3ztVLc492kZk8WNVfYW 7z5tZ7Lo3XaP3eJK+092i3NrlrJYHOvcw2JxeuE1Fot/HX/YLbY2/Gey2HxxEpMDt8evBUtZ PXbOusvusXjPSyaP6d0PmT3e77vK5tG3ZRVjAFsUl01Kak5mWWqRvl0CV8b/ZydYClazVnT+ 2MbewLiTpYuRk0NCwETi0N9/rF2MXBxCAisYJVqe/WKBcL4wSrR3NLNBOJ8ZJe5P3ckO03J3 1U1miMRyRomVzXugqj4ySuxYcwRoGAeHsICnRHcHF0hcROAOo8SVpZfYQLqZBTQk1l99wghi swnoSJxafQTMZhFQkdjR+o4VxBYViJA48mAhWJxXQFDi5MwnYMdyCjhIzG0+AzVHXKLpy0pW CFteYvvbOWAXSQjcYpd4ce88K0RzmcT2lXNYQA6SEHCRmPk7H+IDYYlXx7dAfSMjcXpyDzQw 6iXut7xkhJjTwSgx/dA/JoiEvcSW1+fYQeYwC2hKrN+lDzHSUaL5ORuEySdx460gxDV8EpO2 TWeGCPNKdLQJQcxQkfh9cDkzhC0lcfPdZ/YJjEqzkPw4C8lfs5D8NQth7QJGllWM4qmlxbnp qcWGeanlesWJucWleel6yfm5mxiBKev0v+OfdjB+vZR0iFGAg1GJh/eF8rZoIdbEsuLK3EOM EhzMSiK8jh7bo4V4UxIrq1KL8uOLSnNSiw8xSnOwKInzLpu3MVpIID2xJDU7NbUgtQgmy8TB KdXAyMut4lQQfN/7dMFvn/Cd3l9E9c3yax8ZzDv9cIU9B+d9hwu8P3rXamyQcepjX+SU4HQ0 S3NnwLKk69buIiV1+Q4Gu5Y8cz16Ps5LVehqTtDpDsNd6w2YFJOcnu67tuxb4LK5Uw621PBs tA7sK9+4b+kFniTBzxsCvU8dvxy/7GNry1aDP6oLlViKMxINtZiLihMBDGXVHFUDAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrGIsWRmVeSWpSXmKPExsVy+t/xe7rbA7ZHG6w8oGdx7tMyJosbq+wt 3n3azmTRu+0eu8WV9p/sFufWLGWxONa5h8Xi9MJrLBb/Ov6wW2xt+M9ksfniJCYHbo9fC5ay euycdZfdY/Gel0we07sfMnu833eVzaNvyyrGALYoPZui/NKSVIWM/OISW6VoQwsjPUNLCz0j E0s9Q2PzWCsjUyV9O5uU1JzMstQifbsEvYz/z06wFKxmrej8sY29gXEnSxcjJ4eEgInE3VU3 mUFsIYGljBIr2iIh4lISP35dYIWwhSX+XOti62LkAqp5zyix+cEboAQHh7CAp0R3BxdIXETg DqPElllnGEEamAU0JNZffcII0XCCUeL4wWawbWwCOhKnVh8BK+IVsJO4t7aDHcRmEVCR2NH6 DmybqECExOrlL1ghagQlTs58AtbLKeAgMbf5DBvEAnWJP/MuMUPY4hJNX1ayQtjyEtvfzmGe wCg0C0n7LCQts5C0zELSsoCRZRWjSGppcW56brGRXnFibnFpXrpecn7uJkZgnG479nPLDsau d8GHGAU4GJV4eCcobosWYk0sK67MPcQowcGsJMLr6LE9Wog3JbGyKrUoP76oNCe1+BCjKdBz E5mlRJPzgSkkryTe0NTQ3MLS0NzY3NjMQkmc97xBZZSQQHpiSWp2ampBahFMHxMHp1QD4x4P Lu+lZ648XxO/vmJ10W1ukQK7OzenlNu99Pjl//akZPwM6crTd6LfX/MI6li4v8b7zw3tuael 5yps3hPOqxhjvmzZymezntkeeNO3w2juP/15Pu92Pbn8Z97MPvt1fundfl5p4jU2t+d84mZ/ Wb/55HdnofsVMqdrlm39UL/01nfDq5+XH16oxFKckWioxVxUnAgAlhJtYukCAAA= Message-Id: <20181005115328eucas1p14030af5c9206a46c3ef38a320ad5c666~atD_ifGMn2922629226eucas1p1Q@eucas1p1.samsung.com> X-CMS-MailID: 20181005115328eucas1p14030af5c9206a46c3ef38a320ad5c666 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20181004081535epcas4p2ebe766e6c1134a60f1aa626ce605a7b6 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20181004081535epcas4p2ebe766e6c1134a60f1aa626ce605a7b6 References: <20181004081403.8039-1-maxime.coquelin@redhat.com> <20181004081403.8039-11-maxime.coquelin@redhat.com> Subject: Re: [dpdk-stable] [PATCH v3 10/19] vhost: add config flag for postcopy feature X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 05 Oct 2018 11:53:31 -0000 On 04.10.2018 11:13, Maxime Coquelin wrote: > Postcopy live-migration features relies on userfaultfd, > which was only introduced in kernel v4.3. > > This patch introduces a new define to allow building vhost > library on kernels not supporting userfaultfd. > > With legacy build system, user has to explicitly set > CONFIG_RTE_LIBRTE_VHOST_POSTCOPY to 'y'. > > With Meson build system, RTE_LIBRTE_VHOST_POSTCOPY gets > automatically defined if userfaultfd kernel header is > present. > > Suggested-by: Ilya Maximets > Signed-off-by: Maxime Coquelin > --- Acked-by: Ilya Maximets