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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id BC5DACCD1A5 for ; Sat, 18 Oct 2025 16:02:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:To:In-Reply-To:References:Date: Message-Id:From:Subject:MIME-Version:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=gZB/Zj8ynkDjzERfFgSBC/TT20uV+ITtoY8TmX51pFI=; b=uT5KtecOKfaWsY o/k5dLmoQc3l7wvH66c47+P6tbYxPt16F/apWAfUAZKgjeAhau60KNhZpQyZxy5HjxzlkbA76ugmI S+1f8hFKo7uqWvjllxXtKVlW2nVN8ZLuiKx/cJbk6U4mwYxjDHsryjLaL/yCfBNYvkXf4kR6Y4hyH v2RI/p11ucJRKo7tkKVvsXM6NEhCFpDMy27FV9+T4CbCYogz26pP3jsHkZnLJsDjQe6qb0w9VQC88 kpPwcKENGmmQON/kQ28N8nblb68z2J11yCqC0QVdhqkg2K5fKpov2UxKkzTiaXoLHfEhVxweGOQw1 jKi1N1xIbbVn/iMQiiAA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vA9NQ-0000000A76i-3YpY; Sat, 18 Oct 2025 16:01:52 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vA9NO-0000000A75R-2Ln1 for linux-riscv@lists.infradead.org; Sat, 18 Oct 2025 16:01:50 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 0160F61160; Sat, 18 Oct 2025 16:01:50 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C4182C4CEF8; Sat, 18 Oct 2025 16:01:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1760803309; bh=W6ogpD1KM+CMWbUs+G23MEoyLhb/J95Jle+AQgCTx9o=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=jfn+9k8/hxqjb8D2Yl+EGbqrb4rxtTIb404ltItB5hepMdx6jxesJ8mOx3YrxXuVY Eib02ct1YKFuH+o+VhSv/fMUheC3xIVppe38jl9n0xpQdqRkmC6+ZVtjcMPigLjSe7 6SLOLd2Lhf5Lafwphi+I4Iq7c7IfCC940rz+z3SP4KLdnPxpLg1p0925PyTPYl0maw wMp9sxQtzHg6rmeJ3AXTGJPPfPZkGeT8PHWmWNBRXoaYUzFEW9oMYrvCoHbUX3I24/ nLkWw/AUzSRiLhv0mMkik+n/7GJbtm6cozcunJh986oe20jxjOGQKx5gnQdQZJDUZQ YwrkstN0ejpXw== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 33D2B39EFBB7; Sat, 18 Oct 2025 16:01:34 +0000 (UTC) MIME-Version: 1.0 Subject: Re: [PATCH] RISC-V: Define pgprot_dmacoherent() for non-coherent devices From: patchwork-bot+linux-riscv@kernel.org Message-Id: <176080329274.3028979.8344603968685020251.git-patchwork-notify@kernel.org> Date: Sat, 18 Oct 2025 16:01:32 +0000 References: <20250820152316.1012757-1-apatel@ventanamicro.com> In-Reply-To: <20250820152316.1012757-1-apatel@ventanamicro.com> To: Anup Patel X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alex@ghiti.fr, rafael@kernel.org, anup@brainfault.org, atish.patra@linux.dev, linux-kernel@vger.kernel.org, palmer@dabbelt.com, paul.walmsley@sifive.com, linux-riscv@lists.infradead.org, ajones@ventanamicro.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Hello: This patch was applied to riscv/linux.git (fixes) by Paul Walmsley : On Wed, 20 Aug 2025 20:53:16 +0530 you wrote: > The pgprot_dmacoherent() is used when allocating memory for > non-coherent devices and by default pgprot_dmacoherent() is > same as pgprot_noncached() unless architecture overrides it. > > Currently, there is no pgprot_dmacoherent() definition for > RISC-V hence non-coherent device memory is being mapped as > IO thereby making CPU access to such memory slow. > > [...] Here is the summary with links: - RISC-V: Define pgprot_dmacoherent() for non-coherent devices https://git.kernel.org/riscv/c/ca525d53f994 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv