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 86B3F1D7989; Tue, 29 Oct 2024 16:48:48 +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=1730220528; cv=none; b=MHRqg2uEpqIbl4p2Wv6rZngMb/39o5fNLK5uBOlvFPvoe5GgOb6Lku17miW+JL1492Gu8MA3/ONZRh/CSnuPJubXvScOBKe6K9hYvmTXpAYU4bVAn5q+3xRFbBEdbC4OqBKhPoG2jmvTh5zV8CrmctqA/XWk/OP6JHFKpezvg9I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730220528; c=relaxed/simple; bh=UHUCi4vpc9NsIGRx2NWApkLxNhg8anztoSGFsyKXm3w=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=eGsDdLX4nLb/kOKikq2yJcuI2As+8u57c+YsrpN/FsVoDNvHJTmTiA3l/y84OMf9DhvRfrs5oS0EAid1NSQUPLnayDdbalOp7GfT2vqaDIu51hwbHNC5W2LjHgmCCzcWXyNY1C86wa182Xlt/m21v0wtQxsETNbWC7FkF5UAe8c= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=OyHYnWW1; 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="OyHYnWW1" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4DB9EC4CEE7; Tue, 29 Oct 2024 16:48:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1730220528; bh=UHUCi4vpc9NsIGRx2NWApkLxNhg8anztoSGFsyKXm3w=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=OyHYnWW1pjm6Aj8Kkcd/dadQl9cdDWv80O4cGEbK301k/HKDeMTCHwvXC+cwoVNue We6HnodpvPrTnrRZK2G3lOYDParD9rcxcFpCDPsScBhny2/aGDhYpHfyMfzYn2V5i2 8vIqKiSqrbDs8K9LAxdas5kt/hXTScdnJlrcx6hI16sgOa8vSRzptDpr4ytKHcn6JC 2K+J092fr8qm+NMl8fhV653EwxDOStqEih+f09slsAjOAG/FjJ16ZGRrUEa75cPx7F SRKR/Kt8/jRcBo0e6P4sI47wJZ5jEmWK0WEOf/k+ExW9WR6qRlyhSZXoppq6fNCTC3 iAO+F3XpPWYrQ== Date: Tue, 29 Oct 2024 18:48:43 +0200 From: Leon Romanovsky To: Bjorn Helgaas Cc: Jens Axboe , Jason Gunthorpe , Robin Murphy , Joerg Roedel , Will Deacon , Christoph Hellwig , Sagi Grimberg , Keith Busch , Bjorn Helgaas , Logan Gunthorpe , Yishai Hadas , Shameer Kolothum , Kevin Tian , Alex Williamson , Marek Szyprowski , =?iso-8859-1?B?Suly9G1l?= Glisse , Andrew Morton , Jonathan Corbet , 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 Subject: Re: [PATCH 01/18] PCI/P2PDMA: refactor the p2pdma mapping helpers Message-ID: <20241029164843.GO1615717@unreal> References: <20241028205902.GA1114413@bhelgaas> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20241028205902.GA1114413@bhelgaas> On Mon, Oct 28, 2024 at 03:59:02PM -0500, Bjorn Helgaas wrote: > Prefer subject capitalization in drivers/pci: > > PCI/P2PDMA: Refactor ... > > On Sun, Oct 27, 2024 at 04:21:01PM +0200, Leon Romanovsky wrote: > > From: Christoph Hellwig > > > > The current scheme with a single helper to determine the P2P status > > and map a scatterlist segment force users to always use the map_sg > > helper to DMA map, which we're trying to get away from because they > > are very cache inefficient. > > ... > > Acked-by: Bjorn Helgaas > > A couple minor nits below. I'll fix, thanks