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Wed, 14 Oct 2020 22:51:26 +0000 Date: Wed, 14 Oct 2020 19:51:25 -0300 From: Jason Gunthorpe To: Bob Pearson , Maor Gottlieb , Leon Romanovsky CC: Subject: Re: dynamic-sg patch has broken rdma_rxe Message-ID: <20201014225125.GC5316@nvidia.com> References: <0fdfc60e-ea93-8cf2-b23a-ce5d07d5fe33@gmail.com> Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <0fdfc60e-ea93-8cf2-b23a-ce5d07d5fe33@gmail.com> User-Agent: Mutt/1.9.4 (2018-02-28) X-ClientProxiedBy: MN2PR01CA0009.prod.exchangelabs.com (2603:10b6:208:10c::22) To DM6PR12MB3834.namprd12.prod.outlook.com (2603:10b6:5:14a::12) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from mlx.ziepe.ca (142.177.128.188) by MN2PR01CA0009.prod.exchangelabs.com (2603:10b6:208:10c::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3477.20 via Frontend Transport; Wed, 14 Oct 2020 22:51:26 +0000 Received: from jgg by jggl.ziepe.ca with local (Exim 4.90_1) (envelope-from ) id 1kSpcD-0001ew-Ci; Wed, 14 Oct 2020 19:51:25 -0300 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1602715889; bh=QozgLSbLg2T03V2She+aAryUiB0cUMnvhA5uWoyx1u4=; h=ARC-Seal:ARC-Message-Signature:ARC-Authentication-Results:Date: From:To:CC:Subject:Message-ID:References:Content-Type: Content-Disposition:In-Reply-To:User-Agent:X-ClientProxiedBy: MIME-Version:X-MS-Exchange-MessageSentRepresentingType; b=Q3+D8eMEuwlAupdZQXG4kg+DoK20VF5JnL2ShN8/mi0ONcH8GZOfZKgwmaC+eO+xW nGKSURl3SmcosXDiTbvBL9CpjBdCJTfHHAOoP/h9dkDprB4xEMJ0orl9DEbU/78SDW vuY4WcjzyaBHA5FzK7tnR2UfWHDQTc+MH1QGt8RETHn0xxVefuUuIS2tox9q14B12H XslKautH2AymYzqQNqw2lSzyfLGoU2Uv/mqlU1YDk9z/nlPaTyJ/4BxLi2+H8BZ4oU PUNxFBi8KRD6GCHBHf18yQF71dE18LUiyU4nxctK3O6GBFfow8+AE0jHezDbS9VdAQ TAtlzHydS8vtQ== Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org Archived-At: List-Archive: List-Post: On Tue, Oct 13, 2020 at 09:33:14AM -0500, Bob Pearson wrote: > Jason, > > Just pulled for-next and now hit the following warning. > Register user space memory is not longer working. > I am trying to debug this but if you have any idea where to look let me know. The offset_in_page is wrong, but it is protecting some other logic.. Maor? Leon? Can you sort it out tomorrow? Jason