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received-spf: None (protection.outlook.com: mellanox.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: D2ODWG3OFgMOA3q/kor/uCCqsppxZHAjl5zLlOa4C6FeJu/TlvZ7hy/mbRrCp8qAKaC3Zu5NjVHXbvIr/xWpypShITNdCbceLA7Dtv++oDTtojHwDQ+LNx4OB117BDWQw4qufGYytEHozD0m7rmHgtzNoe3nOHl/JwDu+/YsoCQB/UE5eMTMQnvrhX7hXaFXi25BldL6KIxykMpKBcDOrHQZ7La+rsD8nITiauy4zOaTqIJdnRi5emyEnJsB17A39boDFJGAlrPCfgS5DYkUY9jsHep33qgg8Uu17HhDO6LoSIS0w5wZZ1lxoqHPzvniNujnBRjV4gDNeniOT6qLNzYnZeccAucM6y/wv336vlx9JNmHagWv10vqi1O+hvc+IEV8pXo0ymSht83Bds8Vd5nlNEY7YiEW+WhDGI/30Xk= Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: Mellanox.com X-MS-Exchange-CrossTenant-Network-Message-Id: 3fab805d-945f-4ee7-8f9b-08d721bed509 X-MS-Exchange-CrossTenant-originalarrivaltime: 15 Aug 2019 20:26:19.6191 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: a652971c-7d2e-4d9b-a6a4-d149256f461b X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: /1NnWXMJwJSQRBt15aMEbtmJOIRnUlQMYNyD8ryJ5JtRyzB+bL+1+acMup2tOR+xMBqg42hMGf0v5ggsCn/nqw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR05MB6529 Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org > -----Original Message----- > From: Jason Gunthorpe > Sent: Thursday, August 15, 2019 10:30 PM > To: Leon Romanovsky ; Moni Shoua > > Cc: Doug Ledford ; Leon Romanovsky > ; RDMA mailing list ; > Guy Levi(SW) ; Ido Kalir ; Majd > Dibbiny ; Mark Zhang > Subject: Re: [PATCH rdma-rc 0/8] Fixes for v5.3 >=20 > On Thu, Aug 15, 2019 at 11:38:26AM +0300, Leon Romanovsky wrote: > > From: Leon Romanovsky > > > > Hi, > > > > This is a collection of new fixes for v5.3, everything here is fixing > > kernel crash or visible bug with one exception: patch #5 "IB/mlx5: > > Consolidate use_umr checks into single function". That patch is nice > > to have improvement to implement rest of the series. > > > > Thanks > > > > Ido Kalir (1): > > IB/core: Fix NULL pointer dereference when bind QP to counter > > > > Jason Gunthorpe (1): > > RDMA/mlx5: Fix MR npages calculation for IB_ACCESS_HUGETLB > > > > Leon Romanovsky (2): > > RDMA/counters: Properly implement PID checks > > RDMA/restrack: Rewrite PID namespace check to be reliable > > > > Moni Shoua (4): > > IB/mlx5: Consolidate use_umr checks into single function > > IB/mlx5: Report and handle ODP support properly > > IB/mlx5: Fix MR re-registration flow to use UMR properly > > IB/mlx5: Block MR WR if UMR is not possible >=20 > I'm a little murky on what thes are fixing? Moni? See original fixed patch. Sometime the HW device disables some UMR abilities and hence driver should = avoid UMR usage in some cases. This HW behavior can be seen today in Linux@= windows environment with "untrusted VF". >=20 > Jason