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 X-Spam-Level: X-Spam-Status: No, score=-15.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A7FDBC43464 for ; Fri, 18 Sep 2020 16:17:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 71996238A0 for ; Fri, 18 Sep 2020 16:17:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600445859; bh=+ZDDi5fKSOk2QwweJZEnSXEbFsLv0NPSYsNZKOgudqs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=tCxyE644q6Bqp6/Tyefpsw2qdW7hqbvaN0eUIFvx0yfY0LMozBTXIkWd/YoSCE2+k zPsTuWUBFDavmlWC1hB4pDlJFNbujKjCd2Kigk8V3lcTjkP/PyDRitN17YBNJYhtUR XF7giWi5W5RdykUpDJo/TJ/BpeujqXN8/8SaZGFI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726485AbgIRQRi (ORCPT ); Fri, 18 Sep 2020 12:17:38 -0400 Received: from mail.kernel.org ([198.145.29.99]:59432 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726461AbgIRQRc (ORCPT ); Fri, 18 Sep 2020 12:17:32 -0400 Received: from localhost.localdomain (236.31.169.217.in-addr.arpa [217.169.31.236]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2E4232396D; Fri, 18 Sep 2020 16:17:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600445851; bh=+ZDDi5fKSOk2QwweJZEnSXEbFsLv0NPSYsNZKOgudqs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RjWKhi16rnfviTFnXVHuIWxyxghCY9wvbQTOmh0y2Dv/YOQgNyna1op0Y00sNz4UC PIT08bg5XR/GH707u8t6UqGWyt32ZhZV2bVudPcGIqpmailEmQ3rhOgvOB5p3HSBwZ 9KsIFHt2dMbb+hW6DeyafK2LlN4G1HVlPwzctiNY= From: Will Deacon To: Catalin Marinas , Clint Sbisa Cc: kernel-team@android.com, Will Deacon , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Lorenzo Pieralisi , Bjorn Helgaas , Benjamin Herrenschmidt , Jason Gunthorpe Subject: Re: [PATCH v2] arm64: Enable PCI write-combine resources under sysfs Date: Fri, 18 Sep 2020 17:17:15 +0100 Message-Id: <160043431383.3781570.11856151668553199705.b4-ty@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200918033312.ddfpibgfylfjpex2@amazon.com> References: <20200918033312.ddfpibgfylfjpex2@amazon.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 18 Sep 2020 03:33:12 +0000, Clint Sbisa wrote: > This change exposes write-combine mappings under sysfs for > prefetchable PCI resources on arm64. > > Originally, the usage of "write combine" here was driven by the x86 > definition of write combine. This definition is specific to x86 and > does not generalize to other architectures. However, the usage of WC > has mutated to "write combine" semantics, which is implemented > differently on each arch. > > [...] Applied to arm64 (for-next/pci), thanks! [1/1] arm64: Enable PCI write-combine resources under sysfs https://git.kernel.org/arm64/c/5fd39dc22027 Cheers, -- Will https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev