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 X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9F4CEC33CB1 for ; Fri, 17 Jan 2020 10:05:27 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2ABFC2073A for ; Fri, 17 Jan 2020 10:05:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="L7rybNYx" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2ABFC2073A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 653F217C8; Fri, 17 Jan 2020 11:04:35 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 653F217C8 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1579255525; bh=5RJHsYuqWSzfK7V7qZfX6KavjCLXiyrhtkoOGRQsteo=; h=To:References:From:Date:In-Reply-To:Cc:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=L7rybNYxb0SdVJ3LsQgMzELLl2M87XgSBJVs9WQyVt0MP3VJPCD2OVkCvO4Vt/rjK 8MtXjyekC2lhgdtEBHbCiWnqAZwsGiVRCMmoC9aKWZNze8cZkjqexfepKcuaqYA+1N 1BrOLGnv98nBGpUHNO7YNGkG7nSai8Ob48GBtEgI= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id DADF6F8014B; Fri, 17 Jan 2020 11:04:34 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 67429F801EB; Fri, 17 Jan 2020 11:04:33 +0100 (CET) Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 9D35FF800E9 for ; Fri, 17 Jan 2020 11:04:24 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 9D35FF800E9 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 17 Jan 2020 02:04:21 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,329,1574150400"; d="scan'208";a="214426950" Received: from unknown (HELO [10.239.159.75]) ([10.239.159.75]) by orsmga007.jf.intel.com with ESMTP; 17 Jan 2020 02:04:20 -0800 To: Takashi Iwai References: <20200116045318.5498-1-yang.jie@linux.intel.com> <97bbe88d1a6b63fe8e9b02bf0c5ce4a80553c48d.camel@linux.intel.com> <3c0a0067043d614cd4491b28acf6d49640746b15.camel@linux.intel.com> <93ac843a-bad5-550e-f427-e2a94bd3e8ef@linux.intel.com> From: Keyon Jie Message-ID: Date: Fri, 17 Jan 2020 18:13:31 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US Cc: "alsa-devel@alsa-project.org" , Pierre-Louis Bossart , "Rajwa, Marcin" Subject: Re: [alsa-devel] [PATCH] ALSA: pcm: fix buffer_bytes max constrained by preallocated bytes issue X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" CgpPbiAyMDIwLzEvMTcg5LiL5Y2IMzo1NywgVGFrYXNoaSBJd2FpIHdyb3RlOgo+IE9uIEZyaSwg MTcgSmFuIDIwMjAgMDY6MzA6MTggKzAxMDAsCj4gS2V5b24gSmllIHdyb3RlOgo+Pgo+PiBPbiAy MDIwLzEvMTcg5LiK5Y2INDozNywgVGFrYXNoaSBJd2FpIHdyb3RlOgo+Pgo+PiBIaSBUYWthc2hp LCBJIGdldCB5b3VyIGNvbmNlcm4gaGVyZSwgYnV0IGlmIHdlIHN3aXRjaCB0byB1c2UgZG1hX21h eAo+PiBsaW1pdCwgd2Ugd29uJ3QgY2hhbmdlIHRoZSBwcmVhbGxvY2F0ZWQgYnVmZmVyLCBpdCB3 aWxsIGJlIHN0aWxsIDY0S0IKPj4gZm9yIGVhY2ggc3RyZWFtLCB1c2VyIHNwYWNlIGNhbiBhc2sg Zm9yIHJlLWFsbG9jYXRlIGJ1ZmZlciBmb3IgZWFjaAo+PiBzdHJlYW0gdXAgdG8gMzJNQiwgYnV0 IHRob3NlIHBpbm5lZCBhbmQgY2FuJ3QgYmUgc3dhcHBlZCBvdXQgb25lcyBhcmUKPj4gdGhlIDY0 S0IgcHJlYWxsb2NhdGVkIG9uZXMgb25seSwgYW0gSSB3cm9uZz8KPiAKPiBObywgaW4gZ2VuZXJh bCwgYWxsIHNvdW5kIGhhcmR3YXJlIGJ1ZmZlcnMgYXJlIHBpbm5lZC4KClNvcnJ5LCBJIG11c3Qg aGF2ZSBiZWVuIHdyb25nIGhlcmUsIHdoYXQgSSB3YXMgZm9jdXNpbmcgb24gaXMgdGhvc2UgCmFs bG9jYXRlZCBTRyBETUEgYnVmZmVycywgSSBhbSBub3Qgc3VyZSBpZiB0aGV5IGFyZSB0aG9zZSB5 b3UgY2FsbGVkIAoiaGFyZHdhcmUgYnVmZmVycyIgaGVyZS4KCk15IHVuZGVyc3RhbmRpbmcgd2Fz IGxpa2UgdGhpczoKCjEuIGluIHBjbV9uZXcoKSBzdGFnZSwgdGhlIGRldmljZSBQQ00gZHJpdmVy IHNob3VsZCBjYWxsIApzbmRfcGNtX2xpYl9wcmVhbGxvY2F0ZV9wYWdlcygpLT4KCXNuZF9wY21f bGliX3ByZWFsbG9jYXRlX3BhZ2VzKCktPgoJCXByZWFsbG9jYXRlX3BjbV9wYWdlcygpCmFuZCB0 aGVuIHRoZSBzdWJzdHJlYW0tPmRtYV9idWZmZXIgaXMgaW5pdGlhbGl6ZWQgd2l0aCB0aGUgcHJl YWxsb2NhdGVkIApidWZmZXIuCgoyLiBpbiBwY21fb3BlbigpIHN0YWdlLCB0aGUgZGV2aWNlIFBD TSBkcml2ZXIgc2hvdWxkIGNhbGwKc25kX3BjbV9saWJfbWFsbG9jX3BhZ2VzKCktPgoJc25kX2Rt YV9hbGxvY19wYWdlcygpIC8vaWYgd2UgbmVlZCB0byByZWFsbG9jYXRlIGJpZ2dlciBidWZmZXIu ICpUaGUgCnN1YnN0cmVhbS0+ZG1hX2J1ZmZlciB3b24ndCBiZSBmcmVlZCwgVGFrYXNoaSwgdGhp cyBpcyB3aGF0IEkgdGhvdWdodCAKeW91IG5hbWVkICJwaW5uZWQiIGJ1ZmZlci4qIEFuZCB0aG9z ZSByZWFsbG9jYXRlZCBiaWdnZXIgYnVmZmVyIHZpYSAKc25kX2RtYV9hbGxvY19wYWdlcygpIHdp bGwgYmUgZnJlZWQgYXQgcGNtX2Nsb3NlKCkgcGVyIG15IHVuZGVyc3RhbmRpbmc/CgpUaGFua3Ms Cn5LZXlvbgoKPiAKPiAKPiBUYWthc2hpCj4gX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX18KPiBBbHNhLWRldmVsIG1haWxpbmcgbGlzdAo+IEFsc2EtZGV2ZWxA YWxzYS1wcm9qZWN0Lm9yZwo+IGh0dHBzOi8vbWFpbG1hbi5hbHNhLXByb2plY3Qub3JnL21haWxt YW4vbGlzdGluZm8vYWxzYS1kZXZlbAo+IApfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXwpBbHNhLWRldmVsIG1haWxpbmcgbGlzdApBbHNhLWRldmVsQGFsc2Et cHJvamVjdC5vcmcKaHR0cHM6Ly9tYWlsbWFuLmFsc2EtcHJvamVjdC5vcmcvbWFpbG1hbi9saXN0 aW5mby9hbHNhLWRldmVsCg==