From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=117.135.210.3 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792484051; b=ZbSO+1yEoP2i4OGrecVkcW388z3JDPkniXLUE/ydjSvcqnQCIykPZaYy4LRqp2WpgkZN d2UDqpWCUrADRcEFI67xASvLnMgEjThUsYCqW/c7V3eNnbZRGEZfqaBhw5yoU+RqCmRGK 75a9tyoQjeFwbrTQjL1jVdMK7ifEG08tD+TJZpXz5LAdTLW8ETeIXHJpqqD6yg0QTygZC EXX2ZWyIk02KnmpTirw8RGaIJ10IvFe1XZFhrkip7/Lslbo01vCFxtdxPtIk7IUIyVbEA rwMXB0P1nWR76p1ws/a1rC81D6KeLYFaNKMk46zKTEMHKKWm6QPQK8t5tCz1Ij4f6ZA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792484051; h=DMARC-Filter:DKIM-Signature:Date:From:To:Cc:Subject:X-Priority: X-Mailer:In-Reply-To:References:X-NTES-SC:Content-Transfer-Encoding: Content-Type:MIME-Version:Message-ID:X-Coremail-Locale:X-CM-TRANSID: X-CM-SenderInfo:X-Coremail-Antispam; bh=aEsK9vnGIWgdQWg/4/gp+ERqdPLdZK75eQSfT/gO9Pk=; b=PpGbyxp+KzJrgDGttXpHhJPQxJCzW2da48G/WoO9radxbHoxLfO2MwZD/Im4xuABI/m4 5H7T8Di77KtGC940Ya5oipEP5dF5h5U5qO7cQY8uKUHHU68QBo5+PGigM2vYSIQ+gBWeG G4EnaqTUOykSBBpMhIEphrf1qD9Z8omvBNMRJehCrDjcat8qbtyow1oJOMPRfKUKleE3N HKm7VUObMalOmkUZUlFzipUrHBUQq6IYa51yIcjFAs6NmaU8dsHNwbbQo+90UkQLI6k0F o4hT7Rt4ZGcYLD9lfdwvSujuo20+lksJ2pDqLSQ1Ep0xjkRfUq8kksxx2HEhr+GaI/w== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass header.d=163.com header.i=@163.com header.a=rsa-sha256 header.s=s110527 header.b=RCnjv+vU; arc=none smtp.remote-ip=117.135.210.3 Received: from m16.mail.163.com (m16.mail.163.com [117.135.210.3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9753C606A324; Tue, 20 Oct 2026 08:14:07 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 9753C606A324 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=163.com header.i=@163.com header.a=rsa-sha256 header.s=s110527 header.b=RCnjv+vU DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=Date:From:To:Subject:Content-Type:MIME-Version: Message-ID; bh=aEsK9vnGIWgdQWg/4/gp+ERqdPLdZK75eQSfT/gO9Pk=; b=R Cnjv+vUw17RM25HbbvPqMuGddLQAMNXJ0irypFTfWPLOd6+HOf3gwWx8a2uP2SmB iDAziIByqccqzbaF9irRVvpqnnVhRrfSP0844asw+laXL975n8MmReJ8/wccS40t dwd/tu0cxmXnt80jgfrZdR4QRYqABLnulyXy8r/pSc= Date: Tue, 20 Oct 2026 16:10:32 +0800 (CST) From: "jiale yao" <19888972804@163.com> To: "Peng Fan (OSS)" Cc: "Frank Li" , "Zhang Wei" , "Sascha Hauer" , "Pengutronix Kernel Team" , "Fabio Estevam" , "Linus Walleij" , "H Hartley Sweeten" , "Ryan Mallon" , "Mika Westerberg" , "Ebony Zhu" , "Kumar Gala" , "Dan Williams" , "Andrew Morton" , "Zhangfei Gao" , "Arnd Bergmann" , "Qiao Zhou" , "Leo Yan" , "Lennert Buytenhek" , "Nicolas Pitre" , "Saeed Bishara" , "Maciej Sosnowski" , "Shawn Guo" , "Srinidh Kasagar" , dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org Subject: Re:Re: [PATCH 0/7] dmaengine: drain completion tasklets during teardown X-Priority: 3 X-Mailer: Coremail Webmail Server Version 2023.4-cmXT build 20260511(2e539873) Copyright (c) 2002-2026 www.mailtech.cn 163com In-Reply-To: <20261020073620.224795-1-peng.fan@oss.nxp.com> References: <20261020073620.224795-1-peng.fan@oss.nxp.com> X-NTES-SC: AL_Qu2SAPiTvEAo5CabY+kcn08ShO49XMOyvfoi2YFTc+MEpyPT/CwnXV1dJHjX9MKlLySpjjK2QjZX0MN8TZd4HI2VUqoFvXudLFbzFGVQoQ== Content-Transfer-Encoding: base64 Content-Type: text/plain; charset=GBK X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Message-ID: <3d4b1cde.711e.1a1585cb34c.Coremail.19888972804@163.com> X-Coremail-Locale: zh_CN X-CM-TRANSID:bCgvCgCnV_34IddqIc9cAA--.879W X-CM-SenderInfo: x1dryxhdohiji6rwjhhfrp/xtbCzhgXUWrXIfhxlAAA3R X-Coremail-Antispam: 1U5529EdanIXcx71UUUUU7vcSsGvfC2KfnxnUU== SGkgUGVuZywKCkF0IDIwMjYtMTAtMjAgMTU6MzY6MTksICJQZW5nIEZhbiAoT1NTKSIgPHBlbmcu ZmFuQG9zcy5ueHAuY29tPiB3cm90ZToKPk9uIFN1biwgMTggT2N0IDIwMjYgMTI6MDc6MTYgKzA4 MDAgSmlhbGUgWWFvIDx5YW9qaWFsZTAyQDE2My5jb20+IHdyb3RlOgo+Cj4+IFNldmVyYWwgRE1B ZW5naW5lIGRyaXZlcnMgZGVmZXIgaW50ZXJydXB0IGNvbXBsZXRpb24gcHJvY2Vzc2luZyB0bwo+ PiB0YXNrbGV0cywgYnV0IHJlbGVhc2UgY2hhbm5lbCByZXNvdXJjZXMgd2l0aG91dCBkcmFpbmlu ZyB0YXNrbGV0cyB0aGF0Cj4+IHdlcmUgYWxyZWFkeSBxdWV1ZWQuIFN0b3BwaW5nIG9yIHJlbGVh c2luZyBhbiBJUlEgcHJldmVudHMgbmV3IGhhcmQgSVJRCj4+IGhhbmRsZXJzLCBidXQgZG9lcyBu b3Qgc3luY2hyb25pemUgdGhlIGRlZmVycmVkIHRhc2tsZXQuCj4+IAo+PiBEZXBlbmRpbmcgb24g dGhlIGRyaXZlciwgYSBsYXRlIHRhc2tsZXQgY2FuIGFjY2VzcyBmcmVlZCBkZXNjcmlwdG9yCj4+ IHN0b3JhZ2Ugb3IgaW52b2tlIGEgY29tcGxldGlvbiBjYWxsYmFjayBhZnRlciBpdHMgY2xpZW50 IGRhdGEgaGFzIGJlZW4KPj4gcmVsZWFzZWQuIEVuc3VyZSBlYWNoIHByb2R1Y2VyIGlzIHN0b3Bw ZWQgYmVmb3JlIGtpbGxpbmcgdGhlIHRhc2tsZXQgYW5kCj4+IGZyZWVpbmcgdGhlIHJlc291cmNl cyBpdCBjYW4gYWNjZXNzLgo+PiAKPj4gRWFjaCBwYXRjaCBpcyBpbmRlcGVuZGVudCBhbmQga2Vl cHMgdGhlIHN5bmNocm9uaXphdGlvbiBsb2NhbCB0byBvbmUKPj4gZHJpdmVyJ3MgY2hhbm5lbCBv ciBkZXZpY2UgdGVhcmRvd24gcGF0aC4KPj4gCj4+IEppYWxlIFlhbyAoNyk6Cj4+ICAgZG1hZW5n aW5lOiBlcDkzeHg6IGRyYWluIHRhc2tsZXQgYmVmb3JlIGZyZWVpbmcgY2hhbm5lbCByZXNvdXJj ZXMKPj4gICBkbWFlbmdpbmU6IGZzbGRtYTogZHJhaW4gY2hhbm5lbCB0YXNrbGV0IGR1cmluZyBy ZW1vdmFsCj4+ICAgZG1hZW5naW5lOiBtbXBfcGRtYTogZHJhaW4gY2hhbm5lbCB0YXNrbGV0cyBk dXJpbmcgcmVtb3ZhbAo+PiAgIGRtYWVuZ2luZTogbW1wX3RkbWE6IHN5bmNocm9uaXplIHRhc2ts ZXQgd2hlbiBmcmVlaW5nIGEgY2hhbm5lbAo+PiAgIGRtYWVuZ2luZTogbXZfeG9yOiBkcmFpbiBJ UlEgdGFza2xldCBiZWZvcmUgZnJlZWluZyBjaGFubmVsIG1lbW9yeQo+PiAgIGRtYWVuZ2luZTog bXhzLWRtYTogc3luY2hyb25pemUgdGFza2xldCB3aGVuIGZyZWVpbmcgYSBjaGFubmVsCj4+ICAg ZG1hZW5naW5lOiBzdGVfZG1hNDA6IHN5bmNocm9uaXplIHRhc2tsZXQgd2hlbiByZWxlYXNpbmcg YSBjaGFubmVsCj4+IAo+PiAgZHJpdmVycy9kbWEvZXA5M3h4X2RtYS5jIHwgNCArKystCj4+ICBk cml2ZXJzL2RtYS9mc2xkbWEuYyAgICAgfCAxICsKPj4gIGRyaXZlcnMvZG1hL21tcF9wZG1hLmMg ICB8IDQgKysrKwo+PiAgZHJpdmVycy9kbWEvbW1wX3RkbWEuYyAgIHwgMiArKwo+PiAgZHJpdmVy cy9kbWEvbXZfeG9yLmMgICAgIHwgNiArKysrLS0KPj4gIGRyaXZlcnMvZG1hL214cy1kbWEuYyAg ICB8IDEgKwo+PiAgZHJpdmVycy9kbWEvc3RlX2RtYTQwLmMgIHwgMiArKwo+Cj5Zb3UgbWlnaHQg bmVlZCB0byBhZGQgYSBiaXQgbW9yZSBjb250ZXh0IG9uIHRoZSBpc3N1ZXMuCj4KPlRha2luZyBt eHMtZG1hIGZvciBleGFtcGxlLCBpdCBpcyBub24tU01QIHByb2Nlc3Nvci4KPgo+VGhlIG5vcm1h bCBjb21wbGV0aW9uIHBhdGggaXM6Cj4xLiBETUEgaGFyZGlycSBmaXJlcyAtPiBteHNfZG1hX2lu dF9oYW5kbGVyKCkgLT4gdGFza2xldF9zY2hlZHVsZSgpIC0+IHJhaXNlcyBUQVNLTEVUX1NPRlRJ UlEKPjIuIGlycV9leGl0KCkgLT4gc29mdGlycSBwcm9jZXNzaW5nIC0+IHRhc2tsZXRfYWN0aW9u KCkgLT4gbXhzX2RtYV90YXNrbGV0KCkgcnVucwo+My4gUmV0dXJuIHRvIHByb2Nlc3MgY29udGV4 dAo+Cj5UaGUgdGFza2xldCBhbG1vc3QgYWx3YXlzIGNvbXBsZXRlcyBiZWZvcmUgcHJvY2VzcyBj b250ZXh0IHJlc3VtZXMuCj5UaGUgb25seSB3YXkgdG8gaGl0IHRoZSByYWNlIG9uIFVQIGlzIGlm IHNvZnRpcnEgcHJvY2Vzc2luZyBnZXRzIGRlZmVycmVkCj50byBrc29mdGlycWQsIGFuZCB0aGVu Ogo+SW4gUFJFRU1QVF9SVCBjYXNlOiBUYXNrbGV0cyBiZWNvbWUgdGhyZWFkZWQgYW5kIGNhbiBp bnRlcmxlYXZlLgo+SXMgdGhlcmUgYSBjaGFuY2UgdGhhdCBpbiBub24tUlQgY2FzZSwgY291bGQg d2UgaGl0IGlzc3VlcyBvbiBVUCBwcm9jZXNzb3I/Cj4KPk9yIEkgbWF5IHVuZGVyc3RhbmQgd3Jv bmc/CgpUaGFua3MgZm9yIHRoZSBkZXRhaWxlZCBhbmFseXNpcy4KClRoZSBub3JtYWwgVVAvbm9u LVJUIHBhdGggdXN1YWxseSBydW5zIHRoZSB0YXNrbGV0IGZyb20gaXJxX2V4aXQoKSwgYXMKeW91 IGRlc2NyaWJlZC4gSG93ZXZlciwgaWYgdGhlIERNQSBJUlEgcmFpc2VzIFRBU0tMRVRfU09GVElS USBhZnRlciB0aGF0CnZlY3RvciBoYXMgYWxyZWFkeSBiZWVuIHByb2Nlc3NlZCBpbiB0aGUgY3Vy cmVudCBzb2Z0aXJxIHBhc3MsCm5lZWRfcmVzY2hlZCgpIG9yIHRoZSBzb2Z0aXJxIHRpbWUvcmVz dGFydCBsaW1pdHMgY2FuIGRlZmVyIGl0IHRvCmtzb2Z0aXJxZC4gUHJvY2VzcyBjb250ZXh0IG1h eSB0aGVuIHJlbGVhc2UgdGhlIGNoYW5uZWwgYmVmb3JlIHRoZQp0YXNrbGV0IHJ1bnMuCgpBIHNp bWlsYXIgdGVhcmRvd24gaXNzdWUgd2FzIGZpeGVkIGJ5IGNvbW1pdCAwY2E3OTk3OTM4NGYKKCJS RE1BL2VyZG1hOiBGaXggQ0VRIHRhc2tsZXQgdXNlLWFmdGVyLWZyZWUgb24gcmVtb3ZhbCIpLiBm cmVlX2lycSgpCnN5bmNocm9uaXplcyB0aGUgaGFyZCBJUlEgaGFuZGxlciwgYnV0IGRvZXMgbm90 IGRyYWluIGFuIGFscmVhZHkgcXVldWVkCnRhc2tsZXQuCgpGb3IgbXhzLWRtYSwgdGhlIGRlZmVy cmVkIHRhc2tsZXQgbWF5IGludm9rZSB0aGUgY29tcGxldGlvbiBjYWxsYmFjawphZnRlciBpdHMg Y2xpZW50IGRhdGEgaGFzIGJlZW4gcmVsZWFzZWQuIFRoZXJlZm9yZSB0aGlzIGNhbiBhbHNvIGhh cHBlbgpvbiBVUC9ub24tUlQsIGFsdGhvdWdoIHRoZSB3aW5kb3cgaXMgbmFycm93LgoKPgo+UmVn YXJkcwo+UGVuZwo+Cj4+ICA3IGZpbGVzIGNoYW5nZWQsIDE3IGluc2VydGlvbnMoKyksIDMgZGVs ZXRpb25zKC0pCj4+IAo+PiAtLSAKPj4gMi4zNC4xCj4KPlNlbnQgdXNpbmcgaGttbCAoaHR0cHM6 Ly9naXRodWIuY29tL3NqcDM4L2hhY2tlcm1haWwpCgoKVGhhbmtzLApKaWFsZQo=