From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m16.mail.163.com (m16.mail.163.com [220.197.31.4]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 1EE4119ABDE; Thu, 22 May 2025 09:47:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.31.4 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747907260; cv=none; b=nYou9YFtdrtR2vIOHE/TLiSL8N2wwtIOXyFV/E+fEf5l5xUJ2CqvdOv3a5YrDruV0CfNLov9SrOQs+YLlbKA/rP/l4CNy0k3w67cBnQYjjp8L/9gqAb0vEZYq/PpFAOseFGx4BaE/0aXstNqiUrVdzE64QfqTn+mC/+xGfPOmIA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747907260; c=relaxed/simple; bh=Q/JtzSsynX2wUmCK1eEor5G/XtxF0d+v18cJ5Ise+c8=; h=Date:From:To:Cc:Subject:In-Reply-To:References:Content-Type: MIME-Version:Message-ID; b=LETHg81pEvr62CKM2LI6+SpvNwmRjWCFE4GYUaI3OtxFMlsl5VVlWT8bwdpnMxLrRF3gvlP4aSj9ChWbRjzxX60ri28eVjZ7Mu50aWVIeEsWSGOljWSnvHhoPpGkvCuDCMWRmTie+QhhCdoIefVRKIe5RtrzfTtbGuydBzkXdNI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=fail (1024-bit key) header.d=163.com header.i=@163.com header.b=MGX/qAUj reason="signature verification failed"; arc=none smtp.client-ip=220.197.31.4 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=fail reason="signature verification failed" (1024-bit key) header.d=163.com header.i=@163.com header.b="MGX/qAUj" 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=UkSR7r/KpcJT49OPCs8Qy98yUDr2Bj0rxe+RJe/hqD0=; b=M GX/qAUjDTJgIUt2mcAIMmT6/3vBpiJSnPYHJWlw0PebKeO18qfPYACXADub4SZmm qUlntSYcmtF76KizoD906deKxvJ76WMLybu1ykQaHR8zeNti9nq3eTO1dc9jZhqP A5tEJ4sDdZQksUP8LN+xBFUKrAQ/d/EpLIzCKe+Xtc= Received: from 00107082$163.com ( [111.35.189.95] ) by ajax-webmail-wmsvr-40-100 (Coremail) ; Thu, 22 May 2025 17:47:17 +0800 (CST) Date: Thu, 22 May 2025 17:47:17 +0800 (CST) From: "David Wang" <00107082@163.com> To: "Greg KH" , mathias.nyman@intel.com, oneukum@suse.com, stern@rowland.harvard.edu Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v4 1/2] USB: core: add a memory pool to urb caching host-controller private data X-Priority: 3 X-Mailer: Coremail Webmail Server Version XT5.0.14 build 20240801(9da12a7b) Copyright (c) 2002-2025 www.mailtech.cn 163com In-Reply-To: <2025052257-expectant-macarena-69ee@gregkh> References: <2025052257-expectant-macarena-69ee@gregkh> X-NTES-SC: AL_Qu2fBfWbuEoo4SOQYOkZnEYQheY4XMKyuPkg1YJXOp80siTL9w4MZm9zFkDN986wFQWhoAiIdylMx/1of7R9bZKdajeYGU2/DaUyEP9X97ij Content-Transfer-Encoding: base64 Content-Type: text/plain; charset=GBK Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <2ffd5bed.9108.196f763d60d.Coremail.00107082@163.com> X-Coremail-Locale: zh_CN X-CM-TRANSID:ZCgvCgDnzwOm8i5oi8oKAA--.22741W X-CM-SenderInfo: qqqrilqqysqiywtou0bp/xtbBkBBVqmgu58u1pQACsH X-Coremail-Antispam: 1U5529EdanIXcx71UUUUU7vcSsGvfC2KfnxnUU== CkF0IDIwMjUtMDUtMjIgMTY6MzM6NDIsICJHcmVnIEtIIiA8Z3JlZ2toQGxpbnV4Zm91bmRhdGlv bi5vcmc+IHdyb3RlOgo+T24gVGh1LCBNYXkgMjIsIDIwMjUgYXQgMDM6MDk6NDNQTSArMDgwMCwg RGF2aWQgV2FuZyB3cm90ZToKPj4gRnJvbSBhbiBlbmQtdXNlcidzIHBlcnNwZWN0aXZlLCB0aGUg cGVyZm9ybWFuY2UgZGlmZmVyZW5jZSB3aXRoIHRoaXMgY2hhbmdlCj4+IGlzIGluc2lnbmlmaWNh bnQgd2hlbiBzeXN0ZW0gaXMgdW5kZXIgbm8gbWVtb3J5IHByZXNzdXJlLCBhbmQgd2hlbiB1bmRl cgo+PiBoZWF2eSBtZW1vcnkgcHJlc3N1cmUuIFdoZW4gc3lzdGVtIGlzIHVuZGVyIGhlYXZ5IG1l bW9yeSBwcmVzc3VyZSwKPj4gZXZlcnl0aGluZyBpcyBzbG93LiAgVGhlcmUgY291bGQgYmUgYSBw b2ludCBpbi1iZXR3ZWVuIG5vIG1lbW9yeSBwcmVzc3VyZQo+PiBhbmQgaGVhdnkgbWVtb3J5IHBy ZXNzdXJlIHdoZXJlIHRoZXNlIDFrKy9zIG1lbW9yeSBhbGxvY2F0aW9ucyB3b3VsZAo+PiBkb21p bmF0ZSB0aGUgcGVyZm9ybWFuY2UsIGJ1dCB2ZXJ5IGhhcmQgdG8gcGlucG9pbnQgaXQuCj4KPkZv ciB0aGlzIHJlYXNvbiBhbG9uZSBJIGNhbid0IHRha2UgdGhpcyBjaGFuZ2UsIHNvcnJ5LgoKU3Rp bGwsIHJlYXNvbmFibGUgdG8gbWUuLi4uCj4KPkFsc28sIGFzIG90aGVycyBoYXZlIHN0YXRlZCwg dGhpcyBjb3VsZCBiZSBkb25lIGluIHRoZSBoY2QgZHJpdmVycwo+dGhlbXNlbHZlcyBpZiB0aGV5 IHdhbnQgdG8sIG5vIG5lZWQgdG8gcHVzaCB0aGlzIGludG8gdGhlIHVzYiBjb3JlLgoKCj4KPnRo YW5rcywKPgo+Z3JlZyBrLWgKCgpUaGFua3MgYWxsIHlvdSBndXlzIGZvciB0YWtpbmcgdGltZSBy ZXZpZXdpbmcvZGlzY3Vzc2luZyB0aGlzLgoKRGF2aWQK