From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-qk1-f174.google.com (mail-qk1-f174.google.com [209.85.222.174]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 901AA2857F6 for ; Wed, 23 Apr 2025 17:36:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.222.174 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745429789; cv=none; b=DrprwQ+hdTfqC1iK/qVxiPJF+HTFukYsee2Iqs+kxLGYtdzGo3XzhGx1iPSiYXE9JJ4v1jXk73bFApbcmrrx9s3Lxjn7TWbruGd0HT3iu0FnNkXdy/5pkFra9jL3mfxTEeY5xTRjM24lA5u86bTrG7qgWUMyMBpgVkqOjoDXnBQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745429789; c=relaxed/simple; bh=drAiBKTIiyi9mLR+BwbEskkyvzsYVuH4EzXGje0dF0c=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Khh1iwo2HRKiQjYd6uAMol8V/qUX0ojlgWsr7BgTe83GNhJQg7vXjVY9KjjYKZcML9QMhx76CjQk5tqs01CC8SPKbWxT7ip8cAREExcjml5q0sgXtMuXRFPvK+h7W+C4DQU09CiKbZTdGbRrlPqiE5yTOgxVZyvjAHybwxx45rA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ziepe.ca; spf=pass smtp.mailfrom=ziepe.ca; dkim=pass (2048-bit key) header.d=ziepe.ca header.i=@ziepe.ca header.b=ahPO/+rN; arc=none smtp.client-ip=209.85.222.174 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ziepe.ca Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ziepe.ca Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ziepe.ca header.i=@ziepe.ca header.b="ahPO/+rN" Received: by mail-qk1-f174.google.com with SMTP id af79cd13be357-7c54b651310so14110485a.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.linux.dev; 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=ahPO/+rNImC89kWaKlTRzTYxUI4u1u6vfmpJ+Pg5MnJW0SOOXv3BLPxat055a+cfYl Pb6gLHrnKpKlhUWNb2p0PKpA7VaZmm58xvmWTf7QE7+poX74n3IEfW/m3uuAQJSp0UrN rQ1f7EsgLfNiX7zeqbbYxiuoWTp4QODSi2zai26dL7cPN2hc1fBcLdCY5aqKM8M54QBX i3kwlmHmgAh/VdeuCPtZDwnAwftf3bVTFu3Ezz8mk3jx74wWRTGYTgayYieQRjvUo/R9 UtapocTbwJSPVUulBZfkt5WCzNZifZLjcpblxyGdgrOk6vD6VDmY9QO+oSUJmhNoeC6l 77NA== 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=ACpCBRxhEFRaAP8C/KnqLas3yg3LDOoSCGd2C+qPrPIlyxoH0XPMhwzIrHXnSMQE27 G8vlglME29/Dp2OqPhpxXHimmU8C2tlwZL/6++hAZvQGUx5Gn92aLG+VRWzz7yUDDBiP 9+0VMKxEI7XFf878IKMXH6rxkrXeLvpxczfkcKt5HAET57Q3SMsqggQRMzs6JexknhBU 0C4WzxQBe7FpNTyRI3gWLW2IknuXVWCeykggSbeEgMcoYftZG4MjTUs5qjPhk23K/gNI QasrIERAddt1FwpsPQLrBl94JRXylwBKbshApDfhts/J9tbFWhCjP1xi9/k38o1cWv/L bJ2g== X-Forwarded-Encrypted: i=1; AJvYcCXINaX2cTSUV7qwzpvRKpR/03CPdF+qn/Qwu8Y6doyiice94sXopzOhtdWkIQNm3UcT4ugRiA==@lists.linux.dev X-Gm-Message-State: AOJu0YwjW9QQGYoVgG8T1Tx5KHbKaj/tHrRc9fScao5J2sjJgbOE/D6U WVzmgXRpbaFHRPUxgAR/s3mzBXQ5mumoo/1GPCdeXcka86vZd2Xqkxi2WLuyx4Q= X-Gm-Gg: ASbGncvVd7iLaeBjrD14io7Q3vXaPWR/kUmFoW4F6Q6bvB+QOpODF/fdIrbuXURfi99 v5MOScaVFeLvqZV2akZnOlZEwNtWhvm2e3cX2yC7X/uFl3KvP3Tqh0h+GhXuw3lULnqMmSP1d2P YaK09DlIpwdJH8D6M8czTOAEDTzVqKW4vncE8k+6AxhKrbN+mTmYwQp8c5dbPNC/tbjY5PFPjQD ALHwmCttZLmUpdbUh1fF7liRfU+xAUeYkYG89rB9DpNRu3VEe0rE0gUdNFIUwdzBXl4I+X29of3 re75mHHKeDSb/xFJvK3yZLjZSyVoXAlpY8qsmjDFKYWPXMrD3gAHjy4LbUMr+uFwBcy+RH7V5kX 4j1O3HrbutirgiU6h5WM= 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> Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <7d6f3d50c4e6eb3ab75fd4c5bbaa8efcb1a15b3c.1745394536.git.leon@kernel.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