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 B59FACD8CB9 for ; Wed, 10 Jun 2026 09:14:34 +0000 (UTC) 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:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=aN/Cp+ThkwaknSIc3DIlddMyUfF7OTN0+hAp5wJoOIc=; b=kVmp9unYEwg1EqinDI6dqOGugf VNgT9MqRffjIPvUHh2/4Xl1gC8Bc7wonR8Bx6OKge1m9gFpxiLuxC+ZnwqI4CmTChhIPA6Shxa4Fi /IZJrR8/uVeOzC+MG1LrAilZotxDDJd8AS1HSH8uaWgjSmACKd+L8MhjkY9yLJf5J//GxphTCIZ7P lg1enkVV4Y6mRmuLtKrIRV3OcTpINQb6apUvlzqVRFaUXdBotK74WmkEq03fMuZMwZ71ys8jV9CaW 2kjK30dB+C33NCAMqtf3DLqKwiCsrvqt9J7FHO4WvsXYQHm36K2LPNf0BSOVqrOBnXbL7Eef8tIe8 Bx2cKvqg==; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 10/06/2026 11:10, Laurentiu Mihalcea wrote: > > > On 6/10/2026 12:37 AM, Krzysztof Kozlowski wrote: >> On Fri, Jun 05, 2026 at 04:36:18AM -0700, Laurentiu Mihalcea wrote: >>> From: Laurentiu Mihalcea >>> >>> The names of the carveout regions are derived using the names of the >>> reserved memory devicetree nodes, which are referenced using the >>> "memory-region" property. This adds a restriction on the names of said >>> devicetree nodes, often bearing specific names such as: "vdevbuffer", >>> "vdev0vring0", "rsc-table", etc... This goes against the devicetree >>> specification's recommendation, which states that the devicetree node >>> names should be generic. >> >> No, it does not. Names like rsc-table feels exactly like DT spec is >> asking - for a name matching purpose. Are you sure you read the spec? > > Quoting from the spec: > > "The name of a node should be somewhat generic, reflecting the function of the > device and not its precise programming model" And read the rest of the spec, please. > > and looking at the examples provided in "2.2.2 Generic Names Recommendation", > wouldn't "memory" be a more appropriate choice for the DT node name instead of > "rsc-table" since it's more generic, while still matching the purpose > of the device? Or perhaps I'm interpreting this the wrong way? You just took one piece skipping the rest. Also binding in the dtschema repeats that. > >> >>> >>> Fix this by documenting an additional, optional property: >>> "memory-region-names". This way, the carveout names can use the values >>> passed via "memory-region-names", while keeping the devicetree node >>> names of the reserved memory regions generic. >> >> I don't see how anything here is fixed. memory-region-names has nothing >> to do with node names. > > The idea here is that the names of the carveout regions can now be passed > via the "memory-region-names" property. Previously, we were using the DT > node names for that. memory-region phandles give you that, not names. You need to state why this is not sufficient. > > Thus, we can now use the more generic "memory" name for the DT nodes since we > no longer use them for the carveout names. That's wrong reason for doing this change. Also random names here change nothing. Best regards, Krzysztof