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 6F06A3090D7; Mon, 6 Apr 2026 05:49:49 +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=1775454589; cv=none; b=LBSusPKa43umQ/OW7TAp2HwE/l7yTCi00tz4bA4zgnZwmNXAI18sTft4G/WhbRCrVP2Zk7w1yNzJ6WwG8j1L8zrQ9qFl2XPa67zEQ9iMQPjV5vF/NU6lX3+eKI3MqIw+Elj+gh9SwqXloanyGUXx6PfyT9Eu+DI4/k6fFhowlHo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775454589; c=relaxed/simple; bh=4thoVWcMmw4MkYMp3l5E6+QpX/OSrE+K9Cc8bqDe0Ss=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=XQA4CbXkLBh/o9TM0l3GHR8HOE78UCdfBV72jWkwslMVUXRxJS+ZcLeyesQw5vQW7xivUc9xGXMEe0ISToWApF++OWszmBh55flPbttz3W3kBqutDVv4gX9JDszEfNZNZJTFeurTcw8uGPXfV4+b5hO5YcXPImqnU7CPVa/GgBc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=bgXI890r; 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="bgXI890r" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 63BD2C4CEF7; Mon, 6 Apr 2026 05:49:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775454589; bh=4thoVWcMmw4MkYMp3l5E6+QpX/OSrE+K9Cc8bqDe0Ss=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=bgXI890rX05ktv9oPv33HQAY90wguIlq0zeVRBIbmeDKXLA/c1mE1e5ydxu7hcduI kTZ9nO2+CkEVZjIDQGxe5bkfu2tmthXMLqKff1bqGFPaj+08+iHC08xjxc92g1DPEE KwVzjDTLqo2zhZDXkIrcuY5ezh3/H92TsCyGn+R1UdZRVT4pOQwueRJNE+JlSFvysL s3ofTuZZGE6Y2soiw9bIkJ/yTIdEF/ZL9+ftN7CICVlDH8rbwnbFFIAgWY4IyHBOsS w2C3bcHMNGEXDzAizYg/NRL6FHwycOJuhBHTezD2YnqnSWkNgtd7JsDL5QtQx8LstU +278O8yuLefAQ== Date: Mon, 6 Apr 2026 11:19:45 +0530 From: Vinod Koul To: Douglas Anderson Cc: Greg Kroah-Hartman , "Rafael J . Wysocki" , Danilo Krummrich , Alan Stern , Saravana Kannan , Christoph Hellwig , Eric Dumazet , Johan Hovold , Leon Romanovsky , Alexander Lobakin , Alexey Kardashevskiy , Robin Murphy , Frank.Li@kernel.org, alex@ghiti.fr, andre.przywara@arm.com, andrew@lunn.ch, aou@eecs.berkeley.edu, catalin.marinas@arm.com, dmaengine@vger.kernel.org, driver-core@lists.linux.dev, gregory.clement@bootlin.com, iommu@lists.linux.dev, jgg@ziepe.ca, kees@kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org, linux-riscv@lists.infradead.org, linux-snps-arc@lists.infradead.org, linux@armlinux.org.uk, m.szyprowski@samsung.com, palmer@dabbelt.com, peter.ujfalusi@gmail.com, pjw@kernel.org, sebastian.hesselbarth@gmail.com, tsbogend@alpha.franken.de, vgupta@kernel.org, will@kernel.org, willy@infradead.org Subject: Re: [PATCH v4 7/9] driver core: Replace dev->dma_coherent with dev_dma_coherent() Message-ID: References: <20260404000644.522677-1-dianders@chromium.org> <20260403170432.v4.7.If839f6dde98979fce177f70c6c74689a1904ee76@changeid> Precedence: bulk X-Mailing-List: dmaengine@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: <20260403170432.v4.7.If839f6dde98979fce177f70c6c74689a1904ee76@changeid> On 03-04-26, 17:05, Douglas Anderson wrote: > In C, bitfields are not necessarily safe to modify from multiple > threads without locking. Switch "dma_coherent" over to the "flags" > field so modifications are safe. Acked-by: Vinod Koul -- ~Vinod