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 CCC97CDB465 for ; Sat, 14 Oct 2023 13:26:39 +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-Type: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: In-Reply-To:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date: Reply-To:Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date :Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=OpkcY1ce2bBNmHKu7dgmm33NF8xdnfswtq3DmEUq15I=; b=XN20ZO9p2Ln02AcfWVuhhOOQIW Jp1dMkUImNhV6CYlG3y/NEP+Z8JcNTcSLxoYNJNlUoJHsBUC+W7etoXffvLrfG+6AXeptXaDgq426 sikNuqtna4bhMwVjSeRew2+qGFOJLPOsj+0YpU0OQbS4h6P5zG0yiJj4bkQtQoxUA/9U6TPn9A17h tDKaD8HavpxnDAakk3caHLqJyOmmQZAD3wkeR4xI+zsRaCCFuJZJyln5OjwJKX5cr6ycrsJ9Ao4A7 SPNv9cw1BXZrlXzxPRJKUblCuUxiCcsGcbM8wisNeozVS8mIpANeQ99Gshu7shAywcETm2mFD7eCy tVeiRhgg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qreec-005Q7P-1f; Sat, 14 Oct 2023 13:26:06 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qreeY-005Q6e-1b for linux-arm-kernel@lists.infradead.org; Sat, 14 Oct 2023 13:26:05 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id BD139602F3; Sat, 14 Oct 2023 13:25:55 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9506EC433C7; Sat, 14 Oct 2023 13:25:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1697289955; bh=xyAHBtwF6qf+q9F9kmfhHuJJAP88d/S1vOjvN3+mXHw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=OlLa0Ulc0DKDp2Ct10MC5Zsba52hUu+14ZbgGrlmTFVOb+MSAqT6NFF3knJbmDzqZ xXOuQvyOL/5JfqzX7hgYx3FHfjHw4KFxg3NaJpm3SH4+pnAxmNmWndifO5AapuoMuC W2aQSHZEA+Ut5u4ayVY3NM4r+7zfLMYrU89VOuRA74QbdcnNEYtofU6mAJPNUcx8xE ZrA3QUmfdCmFRLCcmGf3FotFK+dyRS6iYvapj4jIaX7Heh5xxjbT9zlMOuLcY/2/go V6iA8DtVFoHP14QMrfr27cj1Shnb8as0vDk2qKu/PONC/9R4WFQ3dFZ5YIM53l2DlT T9MYJd/YjQlQg== Date: Sat, 14 Oct 2023 14:25:50 +0100 From: Conor Dooley To: Linu Cherian Cc: Mike Leach , "suzuki.poulose@arm.com" , "james.clark@arm.com" , "leo.yan@linaro.org" , "linux-arm-kernel@lists.infradead.org" , "coresight@lists.linaro.org" , "linux-kernel@vger.kernel.org" , "robh+dt@kernel.org" , "krzysztof.kozlowski+dt@linaro.org" , "conor+dt@kernel.org" , "devicetree@vger.kernel.org" , Sunil Kovvuri Goutham , George Cherian Subject: Re: [EXT] Re: [PATCH 1/7] dt-bindings: arm: coresight-tmc: Add "memory-region" property Message-ID: <20231014-carbon-slept-9464499a4156@spud> References: <20230929133754.857678-1-lcherian@marvell.com> <20230929133754.857678-2-lcherian@marvell.com> MIME-Version: 1.0 In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231014_062602_575202_6B762CD6 X-CRM114-Status: GOOD ( 13.56 ) 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: , Content-Type: multipart/mixed; boundary="===============9100097776336081246==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============9100097776336081246== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="xODWgUT9EMkdmFwT" Content-Disposition: inline --xODWgUT9EMkdmFwT Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Oct 14, 2023 at 11:36:37AM +0000, Linu Cherian wrote: > > > + - description: Reserved meta data memory. Used for ETR and ETF= sinks. > > > + > > > + memory-region-names: > > > + items: > > > + - const: trace-mem > > > + - const: metadata-mem > > > + > >=20 > > Is there a constraint required here? If we are using the memory area for > > trace in a panic situation, then we must have the meta data memory area > > defined? > > Perhaps a set of names such as "etr-trace-mem", "panic-trace-mem" , > > "panic-metadata-mem", were the first is for general ETR trace in non-pa= nic > > situation and then constrain the "panic-" areas to appear together. > > The "etr-trace-mem", "panic-trace-mem" could easily point to the same > > area. > >=20 > As noted above, we do not have other generic use case for these reserved = regions now. > Hence two regions/names, panic-trace-mem and panic-metadata-mem with cons= traints kept as > minItems: 2 and maxItems: 2 would suffice ? Whatever you do, please delete the -mem suffix. --xODWgUT9EMkdmFwT Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCZSqWzgAKCRB4tDGHoIJi 0qX6AP9zu1/zSvIKb+Or0bUn+DYlqMtR8PQFTUOPeVyvcHN8SwEA1kUb5kBtLo7/ /tHTuGBcFv3oHZR+As70GVeHsRHGtwA= =JnQT -----END PGP SIGNATURE----- --xODWgUT9EMkdmFwT-- --===============9100097776336081246== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============9100097776336081246==--