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[209.132.180.67]) by mx.google.com with ESMTP id 70si29445715pfu.227.2019.04.08.19.29.10; Mon, 08 Apr 2019 19:29:27 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=potlje7A; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727343AbfDICLy (ORCPT + 99 others); Mon, 8 Apr 2019 22:11:54 -0400 Received: from mail-vk1-f194.google.com ([209.85.221.194]:39807 "EHLO mail-vk1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727291AbfDICLu (ORCPT ); Mon, 8 Apr 2019 22:11:50 -0400 Received: by mail-vk1-f194.google.com with SMTP id s80so3511459vke.6; Mon, 08 Apr 2019 19:11:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=o50EFn9CaX/ULubRrv169eDGLZ1KBStdLz5wpbfUkiQ=; b=potlje7AWOM24pNydX2laAf5SlMdZRpRYSb3SYP3lA+vDqmiTd2+7mUhtadEotjhO0 umUTO5EAFa9suItj/r1mH7BC1xxOIGC+Au8CtW4be12B7pu731YjbbmQqhMUob9pLMYt fzhwG7COQ2mTwM1mvSp52SbRCpUEv3jPk6VyMMI0/Uu7pfmA9C1RGuO1xkxxacalYcUi Xg8qstlMs6+dlUe1yOSySoGpnTZ5yBa2LDTiKGAmdLT3vPevPME7I6LHhXInBSs9jtS2 KQQ59r8cclLePXMgYIrmVM4zq2bBAwxCHtLwQpSkovc17/vVpbyo9+SEGehT7H+vheVf EoGw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=o50EFn9CaX/ULubRrv169eDGLZ1KBStdLz5wpbfUkiQ=; b=MK1JzHrY46VdDtlglDBObB7srHL0hwPvbcWhZel87pUEOIihq72ub3ZmCZijlNFqkn yGmBLcuI58hfK/Ngbml/z0E3dWPg5cKQUvY3WPtz8eEVRWCtKkBwHsxhBT0DKtWqos1z dYalTYpFRU1zNgqUqdOTmxFbsV4BAC83BlfW5g9Yr64QhRNQGv1vsUcaVlsHI6i2JzfE YYSEgO1RRotm0yVAibItK3fZjyuCwtGfsWGAC3sLkbnRqEe5oGhrnC5eE1mB9kBSCmXF mR2MJL8xF11Gu8JaGTWY09IokqFuRDjRMRp8iMdnPNqrDZxx6uMwDJNYNkXQxnCOxGPr zhMw== X-Gm-Message-State: APjAAAU3mDU9EDXAKquWQWeojwgrRATF56+IZdryciLab3eeBFldFYX4 Ps3B9Zo37xmNKRJOiuXn9976V3Ra/ws+W/TF+l0= X-Received: by 2002:a1f:bed1:: with SMTP id o200mr18844144vkf.38.1554775909513; Mon, 08 Apr 2019 19:11:49 -0700 (PDT) MIME-Version: 1.0 References: <20190219074500.16454-1-vichy.kuo@gmail.com> In-Reply-To: From: pierre kuo Date: Tue, 9 Apr 2019 10:11:38 +0800 Message-ID: Subject: Re: [PATCH 1/1] of: reserved_mem: fix reserve memory leak To: Rob Herring Cc: Marek Szyprowski , Frank Rowand , devicetree@vger.kernel.org, "linux-kernel@vger.kernel.org" Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org hi Rob, Marek and Frank: > > In this patch, we un-reserving memory ONLY if explicit compatible matching fail. > > That mean driver found something wrong while matching and let OS know. > > (But reserved-memory without compatible property will not be affected.) > > > > So per ur explaination, there would be cases that driver reported > > matching memory fail, > > but the memory is still needed by another processor? Would you mind to give some comment and suggestion for this patch? Sincerely appreciate ur kind help,