From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5282D2F50; Thu, 13 Jun 2024 19:24:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718306668; cv=none; b=OLFq48iQ+VkIlOQjjNkBQwM9uge+N0/25KHgfJtm5eDQk4JjCdJnaLmKu+4Tilv6u5/5kuZ2Sc0gR2I6w7yOpLiyTEYGNLGKSLIU5/aByvCsLLQNtQzIwQ+4i/4EXv2LeFiqlMJ3NcmToQ21VxDI2puL2NdOjYDUKrYCl0PdG/g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718306668; c=relaxed/simple; bh=H3rQAbMXOBkRkOPqVoJjiRb+Cni4OWtGmo42Wuz1lXI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ViicYoHjCoAwRUHceH5m8ll90z0OB5/prgJ03Q644ySngH1CHFpzKpBC8FiSaQd8Q5ZYNAv/yn7AF+vk3H5sEJqtsruZ+OuxaVlNSa5rmSGFD/mNkVYaV/t91H66dBIcACzUck25I00FC94zv+R6Jlhya/bgTuPZuEyHJm+WOow= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=J3Ylbhwn; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="J3Ylbhwn" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6074AC2BBFC; Thu, 13 Jun 2024 19:24:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1718306667; bh=H3rQAbMXOBkRkOPqVoJjiRb+Cni4OWtGmo42Wuz1lXI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=J3YlbhwnpOybqxQ4krBnqxCMZYrEm/cF13xEoiv/guErS65bkXAPvwEr6SUk+ckRZ oJdRvofUEu/DmxzCU5C8pm3R/smk5MUbrSaYOfl/J/IRjO6MSN6TFRB9mB26A3CURj 0rNGgOQc1skMxaWDqmqBKK9NYuFNxWeneKDDFTNbIYUT7VNrRY4YeS4FKI2ir0YVvJ vf3LygVZm5ICrt0PawpakLOF5AsPQL9e+l7iFXYXK4hddA7E/mmZkdFbxZqO4zhyp/ Pb0x5bWq5d09SrGTpMAzd/0X3dxPxn5GTv9TaUX450Bk1cWgo6MVQGrKx7XdPj/D9R DOFbTArU7XnkA== Date: Thu, 13 Jun 2024 22:24:23 +0300 From: Leon Romanovsky To: Zhu Yanjun Cc: Jason Gunthorpe , Jianbo Liu , "David S. Miller" , Eric Dumazet , Jakub Kicinski , linux-rdma@vger.kernel.org, netdev@vger.kernel.org, Paolo Abeni , Saeed Mahameed , Tariq Toukan Subject: Re: [PATCH rdma-next 2/3] IB/mlx5: Create UMR QP just before first reg_mr occurs Message-ID: <20240613192423.GK4966@unreal> References: <55d3c4f8a542fd974d8a4c5816eccfb318a59b38.1717409369.git.leon@kernel.org> <20240607173003.GN19897@nvidia.com> <20240613180600.GG4966@unreal> <09aab0b6-ed3f-4569-992b-ea5bfc1c2c32@linux.dev> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <09aab0b6-ed3f-4569-992b-ea5bfc1c2c32@linux.dev> On Fri, Jun 14, 2024 at 03:12:59AM +0800, Zhu Yanjun wrote: > 在 2024/6/14 2:06, Leon Romanovsky 写道: > > On Fri, Jun 07, 2024 at 02:30:03PM -0300, Jason Gunthorpe wrote: > > > On Mon, Jun 03, 2024 at 01:26:38PM +0300, Leon Romanovsky wrote: > > > > From: Jianbo Liu > > > > > > > > UMR QP is not used in some cases, so move QP and its CQ creations from > > > > driver load flow to the time first reg_mr occurs, that is when MR > > > > interfaces are first called. > > > > > > We use UMR for kernel MRs too, don't we? > > > > Strange, I know that I answered to this email, but I don't see it in the ML. > > > > As far as I checked, we are not. Did I miss something? > > I have also found this problem. IMO, 2 reasons: > 1. Delay in maillist. That is, there is a delay between a mail sent out and > this mail appearing in maillist. We will find this mail in the maillist > after some time. > > 2. sometimes, we forget to include maillist.^_^ I replied on Jun, 7th. Thanks > > Zhu Yanjun > > > > Thanks > > > > > > > > Jason > >