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 0495EC33CAF for ; Mon, 20 Jan 2020 02:15:43 +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 7F36F206D7 for ; Mon, 20 Jan 2020 02:15:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="mZChODZ0" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7F36F206D7 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 BC9C3166A; Mon, 20 Jan 2020 03:14:50 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz BC9C3166A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1579486540; bh=Fk6Qf7FwCfFBaioet1gt1U4eKxgM7SC6lBUTIv6xsMg=; h=To:References:From:Date:In-Reply-To:Cc:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=mZChODZ0/Y9nyrhgpYmRdyLauszn+lVHKgu4OBfWniIRUbL6HO3lhToIZEbEZzYGK HzGHwt/4w/q20ySgtRjyqG+XQWCuHinn15tUl7jiDBMtjBNdQGe3XkPupNCeSqMKR1 KB6UY5BexTEKuyNrTXxWmVaDlI7RN9J8diEQb8gU= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 2560DF801D8; Mon, 20 Jan 2020 03:14:50 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 016CEF8020C; Mon, 20 Jan 2020 03:14:44 +0100 (CET) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) (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 6B22BF800C6 for ; Mon, 20 Jan 2020 03:14:37 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 6B22BF800C6 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 19 Jan 2020 18:14:34 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,340,1574150400"; d="scan'208";a="215103580" Received: from keyon-x299.sh.intel.com (HELO [10.239.159.75]) ([10.239.159.75]) by orsmga007.jf.intel.com with ESMTP; 19 Jan 2020 18:14:33 -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> <3374dc7d-e969-5380-581a-f6801a2fe50f@linux.intel.com> <68e008e2-6796-f893-35ed-d76a2bf92587@linux.intel.com> <7c6bb315-1ffc-665d-ff5e-e5e440f3e609@linux.intel.com> From: Keyon Jie Message-ID: Date: Mon, 20 Jan 2020 10:23:45 +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" T24gMjAyMC8xLzE5IOS4i+WNiDY6NDMsIFRha2FzaGkgSXdhaSB3cm90ZToKPiBPbiBTdW4sIDE5 IEphbiAyMDIwIDExOjE0OjU2ICswMTAwLAo+IEtleW9uIEppZSB3cm90ZToKPj4KPj4gT24gMjAy MC8xLzE5IOS4i+WNiDU6MDQsIFRha2FzaGkgSXdhaSB3cm90ZToKPj4+IE9uIFN1biwgMTkgSmFu IDIwMjAgMDk6MTE6MTcgKzAxMDAsCj4+PiBLZXlvbiBKaWUgd3JvdGU6Cj4+Pj4gT24gMjAyMC8x LzE5IOS4i+WNiDM6MDksIFRha2FzaGkgSXdhaSB3cm90ZToKPj4+PiBJdCB2YXJpZXMgZm9yIGVh Y2ggc3RyZWFtLCBtb3N0IG9mIHRoZW0gYXJlIDY1NTM2IEJ5dGVzIG9ubHksIHdoZXJlYXMKPj4+ PiBvbmUgZm9yIFdha2UtT24tVm9pY2UgbWlnaHQgbmVlZCBhID4gNCBTZWNvbmRzIGJ1ZmZlciBj b3VsZCBiZSB1cCB0bwo+Pj4+IGFib3V0IDF+Mk1CeXRlcywgYW5kIGFub3RoZXIgb25lIGZvciBk ZWVwLWJ1ZmZlciBwbGF5YmFjayBjYW4gYmUgdXAgdG8KPj4+PiBhYm91dCA4TUJ5dGVzLgo+Pj4g SG0sIHNvIHRoaXMgdmFyaWVzIHNvIG11Y2ggZGVwZW5kaW5nIG9uIHRoZSB1c2UgY2FzZT8KPj4+ IEkgdGhvdWdodCBpdCBjb21lcyBmcm9tIHRoZSB0b3BvbG9neSBmaWxlIGFuZCBpdCdzIGVzc2Vu dGlhbGx5Cj4+PiBjb25zaXN0ZW50IG92ZXIgdmFyaW91cyBwdXJwb3Nlcy4KPj4KPj4gWWVzLCB3 ZSBhZGQgZGlmZmVyZW50IGJ1ZmZlcl9ieXRlc19tYXggbGltaXRhdGlvbiB0byBlYWNoIHN0cmVh bQo+PiBkZXBlbmRpbmcgb24gaXRzIHVzZSBjYXNlLCBiYXNpY2FsbHkgd2Ugc2V0IGl0IHRvIHRo ZSBtYXhpbXVtIHZhbHVlIHdlCj4+IGNsYWltIHRvIHN1cHBvcnQgb25seSwgd2UgZG9uJ3Qgd2Fu dCB0byB3YXN0ZSBhbnkgb2YgdGhlIHN5c3RlbQo+PiBtZW1vcnkuCj4+Cj4+Pgo+Pj4+PiBJIHRo aW5rIHdlIGNhbiBnbyBmb3IgcGFzc2luZyB6ZXJvIGFzIGRlZmF1bHQsIHdoaWNoIG1lYW5zIHNr aXBwaW5nCj4+Pj4+IHByZWFsbG9jYXRpb24uICBJbiBhZGRpdGlvbiwgd2UgbWF5IGFkZCBhbiB1 cHBlciBsaW1pdCBvZiB0aGUgdG90YWwKPj4+PiBKdXN0IGRpZCBhbiBleHBlcmltZW50IGFuZCB0 aGlzIHdvcmtzIGZvciBtZSwgSSBiZWxpZXZlIHdlIHN0aWxsIG5lZWQKPj4+PiB0byBjYWxsIHNu ZF9wY21fc2V0X21hbmFnZWRfYnVmZmVyKCkgdGhvdWdoIHRoZSBwcmVhbGxvY2F0aW9uIGlzCj4+ Pj4gc2tpcHBlZCBpbiB0aGlzLCByaWdodD8KPj4+IE5vLCBzbmRfcGNtX3NldF9tYW5hZ2VkX2J1 ZmZlcigpIGlzIHRoZSBuZXcgUENNIHByZWFsbG9jYXRpb24gQVBJLgo+Pj4gVGhlIG9sZCBzbmRf cGNtX2xpYl9wcmVhbGxvY2F0ZSooKSBpcyBhbG1vc3QgZ29uZS4KPj4KPj4gV2hhdCBJIGFza2Vk IGlzIGFjdHVhbGx5IHRoYXQgc2luY2UgdGhlIHByZWFsbG9jYXRpb24gd2lsbCBiZQo+PiBza2lw cGVkKHdpdGggcGFzc2luZyBzaXplPTApLCBjYW4gd2UganVzdCBub3QgY2FsbGluZwo+PiBzbmRf cGNtX3NldF9tYW5hZ2VkX2J1ZmZlcigpIG9yIHNuZF9wY21fbGliX3ByZWFsbG9jYXRlKigpIGlu IG91ciBTT0YKPj4gUENNIGRyaXZlcj8gSSBiZWxpZXZlIG5vKHdlIHN0aWxsIG5lZWQgdGhlIGlu dm9raW5nIHRvIGRvCj4+IGluaXRpYWxpemF0aW9uIGV4Y2VwdCBidWZmZXIgYWxsb2NhdGluZyk/ Cj4gCj4gWW91IHN0aWxsIG5lZWQgdG8gY2FsbCBpdC4gIE90aGVyd2lzZSB0aGUgUENNIGNvcmUg ZG9lc24ndCBrbm93IHdoYXQKPiBraW5kIG9mIGJ1ZmZlciB0eXBlIGhhcyB0byBiZSBhbGxvY2F0 ZWQuCj4gCj4gQmFzaWNhbGx5IHNuZF9wY21fc2V0X21hbmFnZWRfYnVmZmVyKCkgb3Igc25kX3Bj bV9saWJfcHJlYWxsb2NhdGUqKCkKPiBkb2VzIHR3byB0aGluZ3M6IHNldCB0aGUgYnVmZmVyIHR5 cGUgYW5kIGl0cyBwcmVhbGxvY2F0aW9uIChkZWZhdWx0Cj4gYW5kIG1heCBzaXplKS4gIFRoZSBs YXR0ZXIgZGVmYXVsdCBzaXplIGNhbiBiZSAwLCBtZWFuaW5nIHRoYXQgbm8KPiBkZWZhdWx0IHBy ZWFsbG9jYXRpb24gaXMgcGVyZm9ybWVkLiAgQWxzbyB0aGUgbWF4IGNhbiBiZSAwLCBpLmUuIG5v Cj4gcHJlYWxsb2NhdGlvbiBpcyBuZWVkZWQgYXQgYWxsIGZvciB0aGUgYnVmZmVycyAoZS5nLiB2 bWFsbG9jCj4gYnVmZmVycykuICBNZWFud2hpbGUgdGhlIGJ1ZmZlciB0eXBlIGFuZCBpdHMgZGV2 aWNlIHBvaW50ZXIgYXJlCj4gbWFuZGF0b3J5IGFuZCBjYW4ndCBiZSBza2lwcGVkLgoKR290IGl0 LCB0aGFua3MgZm9yIGd1aWRpbmcgb24gaXQgVGFrYXNoaS4KClRoYW5rcywKfktleW9uCgo+IAo+ Pj4KPj4+Pj4gYW1vdW50IG9mIGFsbG9jYXRpb24gcGVyIGNhcmQsIGNvbnRyb2xsZWQgaW4gcGNt X21lbW9yeS5jLCBmb3IKPj4+Pj4gZXhhbXBsZS4gIFRoaXMgbG9naWMgY2FuIGJlIGFwcGxpZWQg dG8gdGhlIGxlZ2FjeSBIREEsIHRvby4KPj4+Pj4KPj4+Pj4gVGhpcyBzaG91bGQgYmUgcmVsYXRp dmVseSBlYXN5LCBhbmQgSSdsbCBwcm92aWRlIHRoZSBwYXRjaCBpbiB0aGUgbmV4dAo+Pj4+PiB3 ZWVrLgo+Pj4+IE9LLCB0aGF0J3MgZmluZSBmb3IgbWUgYWxzbywgdGhhbmsgeW91Lgo+Pj4gQmVs b3cgaXMgYSBxdWljayBoYWNrIGZvciBIREEuICBXZSBzdGlsbCBuZWVkIHRoZSBjZXJ0YWluIGFt b3VudCBvZgo+Pj4gcHJlYWxsb2NhdGlvbiBmb3Igbm9uLXg4NiBzeXN0ZW1zIHRoYXQgZG9uJ3Qg c3VwcG9ydCBTRy1idWZmZXJzLCBzbwo+Pj4gYSBiaXQgb2YgdHJpY2sgaXMgYXBwbGllZCB0byBL Y29uZmlnLgo+Pj4KPj4+IFRvdGFsbHkgdW50ZXN0ZWQsIGFzIHVzdWFsLgo+Pgo+PiBEaWQgYSBx dWljayB0ZXN0KHBsdXMgcGFzc2luZyAwIHNpemUgZm9yIHByZWFsbG9jYXRlIGluIFNPRiBQQ00K Pj4gZHJpdmVyKSBhbmQgaXQgd29ya3MgZm9yIG15IHVzZSBjYXNlKG5vIHJlZ3Jlc3Npb24gY29t cGFyaW5nIHRoYXQKPj4gd2l0aG91dCBhcHBseWluZyB0aGlzIHBhdGNoKSwgVGhhbmsgeW91Lgo+ IAo+IE9LLCB3aWxsIHRpZHkgdXAgYW5kIHN1Ym1pdCBsYXRlci4KPiAKPiAKPiBUYWthc2hpCj4g X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KPiBBbHNhLWRl dmVsIG1haWxpbmcgbGlzdAo+IEFsc2EtZGV2ZWxAYWxzYS1wcm9qZWN0Lm9yZwo+IGh0dHBzOi8v bWFpbG1hbi5hbHNhLXByb2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8vYWxzYS1kZXZlbAo+IApf X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpBbHNhLWRldmVs IG1haWxpbmcgbGlzdApBbHNhLWRldmVsQGFsc2EtcHJvamVjdC5vcmcKaHR0cHM6Ly9tYWlsbWFu LmFsc2EtcHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby9hbHNhLWRldmVsCg==