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[209.132.180.67]) by mx.google.com with ESMTP id a64si30024598pfb.56.2019.04.08.19.44.00; Mon, 08 Apr 2019 19:44:15 -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=DUMhZtkz; 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 S1726988AbfDICNN (ORCPT + 99 others); Mon, 8 Apr 2019 22:13:13 -0400 Received: from mail-ua1-f66.google.com ([209.85.222.66]:45883 "EHLO mail-ua1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725953AbfDICNM (ORCPT ); Mon, 8 Apr 2019 22:13:12 -0400 Received: by mail-ua1-f66.google.com with SMTP id c13so4977375uao.12; Mon, 08 Apr 2019 19:13:12 -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=EyI77CdUtd3imX8c2og/tF7W43FQ8JfQEdZaPTZMBh4=; b=DUMhZtkzhHKADNgDqmCt1jxfDk3fUiSR2EfRKhCpZCTjsSpCJV15artTULCDvF+9vF IpZKUhTluu2oRXn5RU4WPv5sKYX9jxFs2OjXwNh7sVY2ef7t1+lqulUDnIucAKK5frED UwguBtWypTkHws2CMYzN6vAovJM4OjXG4fiVRxNdFKt7521HL1rOl+GRGCy/KO6+xt4J sMVuPzJ423EVmZbsF55RZWlCGHIYKyViMjesiu5VFEoAVYlXg8+UJ8s/xWcEM2Qli9QA Mx2s4ePwcctwMKcGvwkvi4MiLZOzMaMD1hVih5SKYSCCcAxJ1CgS1eg9+xnCucb5Pg7Q wTGQ== 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=EyI77CdUtd3imX8c2og/tF7W43FQ8JfQEdZaPTZMBh4=; b=JnL6d+Kq4SQZq8SOc7WRs78cUCTr7XBzul558FucBf0iKNc7DJhYpiGBu5VM0d9hqj Mg4cyLIPg25efNsKiHwytegPcGLas3xKjP10qLOvxgmy75qMoXy9nf7GR3JOFU4mU/D9 rGVRydc/t0GbDrIj69rKK92zWTiIK2FsVqnqmAC3azDOfv8YEVD8W+mNVFMQa/avqkdA DiAUkS4Gebw2Jw/NBNZ/oausRDeonLsjYg8xjadnUPgxz4zgbcEJg0E8UOimKorX9Ene BxetFijs/bm9fIuBEn5Efo7mkfzKnZiBtrm1Vodpow8AVhxEqVj8CC0n68hBpfbgcIIC N+qw== X-Gm-Message-State: APjAAAVL4fwrfgvNBI7M53g6UkcF3VVPfkWc1RxsJgFJtC4qTku1As2a 4yuCsVDbF548t/CtnJ5nFXaxcIv4oEpsRIs6vuc= X-Received: by 2002:ab0:3419:: with SMTP id z25mr17791439uap.102.1554775991757; Mon, 08 Apr 2019 19:13:11 -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 10:13:00 +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.