From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Tue, 15 Oct 2024 09:41:48 +0200 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1t0cBf-004Zru-39 for lore@lore.pengutronix.de; Tue, 15 Oct 2024 09:41:47 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1t0cBf-0004V6-Cq for lore@pengutronix.de; Tue, 15 Oct 2024 09:41:47 +0200 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:Content-Transfer-Encoding: Content-Type:MIME-Version:Date:Message-Id:Subject:References:In-Reply-To:Cc: To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=P/6eyb5CDbGfvjWRUBl+8LtY1wf84WzV1h+/0Hx3xVI=; b=TSFtrMLTHbtR4JOyDBfKCVPzOX 9dw8f2hWciVFSjlNH8UpzmXjq1499rjifE05385+gU6zpzliGxgnzCbdQ3VhJoDzUft/CuuJjVZMl Z9TLP0HcucTw9iNqP3ib9wOtSbgW3cEbJVS+m5GnRO/YH+TU6sZOEJ2gIjeQcZ392w99t6dmAivtD kKr6jtXu3G6QbZS7qfW60YTvE+pL9g6KcbBjSLUR0e+oUrrDOxe2W1X+y9NOOsOB2bVG5xbRpX3gK +F8B/n5EEFsjLRs7z1ppm8+4g6f2Yh1mprFqkD7o/YA/kDH0xhxXyqa7KvPH0Xlrenr+gNdqucCql DYYqOgGw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t0cB8-00000007MnV-21xL; Tue, 15 Oct 2024 07:41:14 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1t0cB5-00000007Mm2-02bv for barebox@lists.infradead.org; Tue, 15 Oct 2024 07:41:12 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1t0cB3-0004RY-8Y; Tue, 15 Oct 2024 09:41:09 +0200 Received: from [2a0a:edc0:0:1101:1d::28] (helo=dude02.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1t0cB2-001ylb-NJ; Tue, 15 Oct 2024 09:41:08 +0200 Received: from localhost ([::1] helo=dude02.red.stw.pengutronix.de) by dude02.red.stw.pengutronix.de with esmtp (Exim 4.96) (envelope-from ) id 1t0cB2-009wPh-28; Tue, 15 Oct 2024 09:41:08 +0200 From: Sascha Hauer To: barebox@lists.infradead.org, Ahmad Fatoum Cc: Denis Orlov In-Reply-To: <20241014125843.2064532-1-a.fatoum@pengutronix.de> References: <20241014125843.2064532-1-a.fatoum@pengutronix.de> Message-Id: <172897806865.2368693.18152888665059519055.b4-ty@pengutronix.de> Date: Tue, 15 Oct 2024 09:41:08 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: b4 0.12.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241015_004111_074364_69126581 X-CRM114-Status: UNSURE ( 8.29 ) X-CRM114-Notice: Please train this message. X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-5.1 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH 0/6] dma: give dma_alloc_coherent a device parameter X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) On Mon, 14 Oct 2024 14:58:37 +0200, Ahmad Fatoum wrote: > Devices can be inherently DMA coherent and thus dma_alloc_coherent could > be implemented as a normal allocation. > > While using uncached memory in this case isn't wrong, it can lead > to a a very stark performance degradation as identified in this patch[1] > when barebox ran under KVM. > > [...] Applied, thanks! [1/6] dma: make DMA_ADDRESS_BROKEN type-safe https://git.pengutronix.de/cgit/barebox/commit/?id=5f004115ac0f (link may not be stable) [2/6] video: stm: use DMA_ADDRESS_BROKEN instead of NULL https://git.pengutronix.de/cgit/barebox/commit/?id=2ca7fca692c0 (link may not be stable) [3/6] crypto: caam - pbl-init: use DMA_ADDRESS_BROKEN instead of NULL https://git.pengutronix.de/cgit/barebox/commit/?id=b3b20535573c (link may not be stable) [4/6] net: designware: don't use dma_mapping_error for non-streaming DMA https://git.pengutronix.de/cgit/barebox/commit/?id=0b2bc567a82a (link may not be stable) [5/6] net: macb: fix DMA_ADDRESS_BROKEN in the coherent ring allocations https://git.pengutronix.de/cgit/barebox/commit/?id=df13e1902a2c (link may not be stable) [6/6] dma: give dma_alloc_coherent a device parameter https://git.pengutronix.de/cgit/barebox/commit/?id=a4c9398795be (link may not be stable) Best regards, -- Sascha Hauer