From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CF907C369D5 for ; Wed, 23 Apr 2025 18:47:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=rNJodNA/CGOE8qYPmCoAIvEyeqrCcwNf4apB4pxSGaA=; b=02rmDuiIenfYO9mwnnzLFm9A/P u97BXcB/L9sZTtjyABAyeI7B6qFrram+SR6pZbISVwfXFZT5bFMiXY+gdzXLiUBY4+G2fMdM79sg9 /OIBF66xthb5+sPQE7iOy2uFp6tLZ7WyZLo96GIOVHi+ILE2WFLA4x1+MT/6ihvk8D8lEdR8r6XVM X3TJq+m9hacsKUsdqIZFqDkTOG49VeT9liCcDAcBeGUDZQ0LK05Rq1/MZd1fl8D1b0Mg4oGoZ1H/Z a//Bt6e7jFNZZtPNO5eD0P9OcorKUvK3XD6ZZcPvnZGVEYIIpa3PubI6Ws63kWQKd74YH5zOfnbAL mN5sfCsQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1u7f7t-0000000Bd84-0Wfv; Wed, 23 Apr 2025 18:47:17 +0000 Received: from mail-qk1-x735.google.com ([2607:f8b0:4864:20::735]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1u7e1L-0000000BHji-2uCf for linux-nvme@lists.infradead.org; Wed, 23 Apr 2025 17:36:28 +0000 Received: by mail-qk1-x735.google.com with SMTP id af79cd13be357-7c54b651310so14110085a.0 for ; Wed, 23 Apr 2025 10:36:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ziepe.ca; s=google; t=1745429786; x=1746034586; darn=lists.infradead.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=rNJodNA/CGOE8qYPmCoAIvEyeqrCcwNf4apB4pxSGaA=; b=ludoQzRNLHhLF+FCrBmtr+SXmc3Ji66imni+dk9ULbQVnANP2UddKARSmjRBiLOYkc KioDb2RlhRSWzGjdMeMG/2i9UPxtB45/+IAtAebm5bqMP+TpjydShShlVAfLX2TC4LkI t1XJ/Xeq7soQYgJxOYnq/XxajMqMid0pTrAhXu+4+lBVgzbtBp1R7GLXikjP1noD/9uk e0RjSxhy5mYA6Z/xaqMgWOmQADzOS+ZvTxliEmy9pmpkgKdIPLhpJPQeACE/ChvdnC4L +HeUTRnIc3KT3g3yYzxEboWXcjKAVua1WcSAcyqAYKYC9Z7t3jI71dgvZIadUglTQRZV xMtQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1745429786; x=1746034586; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=rNJodNA/CGOE8qYPmCoAIvEyeqrCcwNf4apB4pxSGaA=; b=nXjCzEWoCQwiS1jO9gTy5QeGCKO29jQFCIkvqsejk7H6O6NpOYy48nl74FbF2dAykO me/UN/ELHuY2sWN0tWcc/fEd/9KRELzgV9CMgsu/uXCvxX1upI89jRICzrPo3JJeJDJ6 4FlTBbVQX41kF1mh77ntajNQ+RhDzweIw70EYB8AwAVeZjrK94BO3VotOWNbURHO9Qr9 Tq04ZDpXzIfBBU7K1jj51BBn22wx/9EZPQLCFTT7cZH0ayVc3IbNCceXHYwwmHkYaD73 VhQ2eA9PCt38p2qV04aAi0SEoviXowBHz+7I+kkaAlH38J/DWNvTd3S7xt97Jhhv5lsK R7ng== X-Forwarded-Encrypted: i=1; AJvYcCXzUUAH+YermZJevD76B+5zU0AtOwWjZG4EiHX2wZmr8po/20NNn2lyBo3dXiA3MM7spv/EuhMWSgH2@lists.infradead.org X-Gm-Message-State: AOJu0Yy3TMNg+Ai3r9dXNAsA9qybFWmQSZ/vMhhqjyOAdoWCke7wDjO2 cRMggheXyuU1jlMXfXjAZyCovs7syP7Q75YS46bc95+JloEN0mzWOkTT0LxTai8= X-Gm-Gg: ASbGnctoXI/0rFWA5aGEF7mik7aHt1rwspdPusObJJuNC2JO8ggofYkqZpZIbVTlJOM Dcag8KNHqhQwks6UjXOydMLsUiuIh9MKw8hEo3JyjD1evHsDUahVsxxgDZjWuoeGNYpg8V524Ia NJiiSub9WNYk4PNyJ1lrIZx0a788iQZWZiNkbgZCH6iRXS9dVcVs5mtaKBTnnikvxRQE1EtpMCl YTv+FmWOwa3KS+k+hviEJj5S8BbaINsmYwTkp5qkkJ5OWTGC1wWgwL1fMeYDezoig6X2fOCMgHs 6N5hoFb75nC95EDgSgwtLc/ffzW7veDdymMyFo+FYF7x5IXnuQRr757m5fz3b27GlBoP/qhTMzM jgnvFGsfUscHqI8nzuP0= X-Google-Smtp-Source: AGHT+IFfYFJ3H6MHGXkZxUwtNrKhvKS2i7aEibqmChB9ejFnkuFqgY0c21HHcZ68bh6mda7wa7inKA== X-Received: by 2002:a05:620a:44d3:b0:7c7:a5ce:aaf1 with SMTP id af79cd13be357-7c928018e95mr2986289985a.35.1745429786563; Wed, 23 Apr 2025 10:36:26 -0700 (PDT) Received: from ziepe.ca (hlfxns017vw-142-167-219-86.dhcp-dynamic.fibreop.ns.bellaliant.net. [142.167.219.86]) by smtp.gmail.com with ESMTPSA id af79cd13be357-7c925a6eb31sm709808085a.3.2025.04.23.10.36.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Apr 2025 10:36:26 -0700 (PDT) Received: from jgg by wakko with local (Exim 4.97) (envelope-from ) id 1u7e1J-00000007Lca-2cT8; Wed, 23 Apr 2025 14:36:25 -0300 Date: Wed, 23 Apr 2025 14:36:25 -0300 From: Jason Gunthorpe To: Leon Romanovsky Cc: Marek Szyprowski , Jens Axboe , Christoph Hellwig , Keith Busch , Leon Romanovsky , Jake Edge , Jonathan Corbet , Zhu Yanjun , Robin Murphy , Joerg Roedel , Will Deacon , Sagi Grimberg , Bjorn Helgaas , Logan Gunthorpe , Yishai Hadas , Shameer Kolothum , Kevin Tian , Alex Williamson , =?utf-8?B?SsOpcsO0bWU=?= Glisse , Andrew Morton , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, linux-rdma@vger.kernel.org, iommu@lists.linux.dev, linux-nvme@lists.infradead.org, linux-pci@vger.kernel.org, kvm@vger.kernel.org, linux-mm@kvack.org, Niklas Schnelle , Chuck Lever , Luis Chamberlain , Matthew Wilcox , Dan Williams , Kanchan Joshi , Chaitanya Kulkarni Subject: Re: [PATCH v9 13/24] RDMA/core: Convert UMEM ODP DMA mapping to caching IOVA and page linkage Message-ID: <20250423173625.GO1213339@ziepe.ca> References: <7d6f3d50c4e6eb3ab75fd4c5bbaa8efcb1a15b3c.1745394536.git.leon@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <7d6f3d50c4e6eb3ab75fd4c5bbaa8efcb1a15b3c.1745394536.git.leon@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250423_103627_732064_21AF8B6F X-CRM114-Status: GOOD ( 12.33 ) X-Mailman-Approved-At: Wed, 23 Apr 2025 11:34:49 -0700 X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org On Wed, Apr 23, 2025 at 11:13:04AM +0300, Leon Romanovsky wrote: > From: Leon Romanovsky > > Reuse newly added DMA API to cache IOVA and only link/unlink pages > in fast path for UMEM ODP flow. > > Tested-by: Jens Axboe > Signed-off-by: Leon Romanovsky > --- > drivers/infiniband/core/umem_odp.c | 104 ++++++--------------------- > drivers/infiniband/hw/mlx5/mlx5_ib.h | 11 +-- > drivers/infiniband/hw/mlx5/odp.c | 40 +++++++---- > drivers/infiniband/hw/mlx5/umr.c | 12 +++- > drivers/infiniband/sw/rxe/rxe_odp.c | 4 +- > include/rdma/ib_umem_odp.h | 13 +--- > 6 files changed, 71 insertions(+), 113 deletions(-) Reviewed-by: Jason Gunthorpe Jason