From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Fri, 18 Oct 2024 10:48:03 +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 1t1ieR-005osU-2q for lore@lore.pengutronix.de; Fri, 18 Oct 2024 10:48:03 +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 1t1ieR-0001S2-9E for lore@pengutronix.de; Fri, 18 Oct 2024 10:48:03 +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=xwTswIXNLCep4Rej1JwTU+EWwSIQnxcpj41zBpxOY14=; b=eNED81v++6zWSwesFWdFfxrLB5 hclIx2A4voUzgpH2fzn2hQBy73YI8d6hdK9iU8hVLnNXS93IvTeEnO3N+1DQbs2W6bjMK0sIZNGhT zSR95U4J2VDaYcGL20ak2A4yt0bkLHQPE3nzvoyHsw/no3xDJ/0ZeMLK/gUKa74TbEFCpnjdXpAnI 7bzbCltiJD/rj0mnftsPM0BueoAlJ7RbLg98xF8plH5E5E/w61Oo4LR4QvoJ52dH73mOlC8j4ZXr6 ak190Tw0+ut6rdUTSiO0zSWguSILVGTJeiUNBeSLvI/BBrEtm/TQJ7qDfZ0kQ99gusFxTCZk/3ttI EK7CsiVQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t1idz-000000002M2-05wK; Fri, 18 Oct 2024 08:47:35 +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 1t1iW8-0000000Hadu-2Cf7 for barebox@lists.infradead.org; Fri, 18 Oct 2024 08:39:29 +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 1t1iW5-0000fj-S0; Fri, 18 Oct 2024 10:39:25 +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 4.96) (envelope-from ) id 1t1iW5-000BJv-1h; Fri, 18 Oct 2024 10:39:25 +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 1t1iW5-00CH20-1W; Fri, 18 Oct 2024 10:39:25 +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: <172924076546.2925225.5925292444750492033.b4-ty@pengutronix.de> Date: Fri, 18 Oct 2024 10:39:25 +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-20241018_013928_618114_68FF0451 X-CRM114-Status: UNSURE ( 8.18 ) 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=-5.0 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=0960c40b252c (link may not be stable) [2/6] video: stm: use DMA_ADDRESS_BROKEN instead of NULL https://git.pengutronix.de/cgit/barebox/commit/?id=6757e58a5613 (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=a02105b5050e (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=4e8ec055e5e4 (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=50da8ab7050d (link may not be stable) [6/6] dma: give dma_alloc_coherent a device parameter (no commit info) Best regards, -- Sascha Hauer