From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m16.mail.163.com (m16.mail.163.com [220.197.31.2]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 267DB2741A4; Wed, 14 May 2025 11:52:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.31.2 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747223525; cv=none; b=oVIk+L8IxUDQp3fRbGCm8HS757G4Tyce0ViFS0p2sUa8l6qES1oP+a8jmZiG8MkT5ajRitgGM57r4/EUyiXO5tEOrTAkLBuAY0holmsozAR+P2tFEtdwNiVZNtbjAdFswnZnx5dI44JRpBYA31EVep/VqzNGR5VLlOxBuYNgLmg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747223525; c=relaxed/simple; bh=ig8WQD2mm9MKTSF9qc4BBEUvxyfahEl5b6dtPdFLtAk=; h=Date:From:To:Cc:Subject:In-Reply-To:References:Content-Type: MIME-Version:Message-ID; b=PccIo3JB7b5w4OQTZPcQgBQLEth9/nGSv12vkOa+8nifTXS1W98ypjAhxQUwmTV4Nm+ZBPT/HJ7BDF0dLURNeAp06AoihBOFdJ3RBwoo7tdCSerRxD3ZvQpuZj8rNwcYEzblIdBRh4wC4O4Eg1wBIFkDp8sXJ76gg6ubqs1vWVQ= 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=BqKDeVxA reason="signature verification failed"; arc=none smtp.client-ip=220.197.31.2 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="BqKDeVxA" 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=rMbvT6uML8YQwQrr4NcesSn671/PWQtE82gjKxtCgFo=; b=B qKDeVxA0jPK6cINFe2JwcLXpiSKMrAUlhwm9uB6SgV+xOrVJ4tu0kn3oCXWCIJGu 9WvrSaNsUn9JAd+oveIQaUAjbDYzPUjszksJpd13w8ce9CwgDvt0Rm1vlURtZwsC jFMuKwOFBaevAVD3LqjwDxzg36cPgYM/q02OojZU0c= Received: from 00107082$163.com ( [111.35.191.17] ) by ajax-webmail-wmsvr-40-146 (Coremail) ; Wed, 14 May 2025 19:51:36 +0800 (CST) Date: Wed, 14 May 2025 19:51:36 +0800 (CST) From: "David Wang" <00107082@163.com> To: "Oliver Neukum" Cc: mathias.nyman@intel.com, gregkh@linuxfoundation.org, stern@rowland.harvard.edu, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 1/2] USB: core: add a memory pool to urb for 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: <51fe78fb-5d73-458f-b3d1-fc84cd6c5869@suse.com> References: <20250512150724.4560-1-00107082@163.com> <20250513113817.11962-1-00107082@163.com> <51fe78fb-5d73-458f-b3d1-fc84cd6c5869@suse.com> X-NTES-SC: AL_Qu2fBf6ZvEwi4CSYYekZnEYQheY4XMKyuPkg1YJXOp80tCb8wgUaeXBjIGn77cOIKS2Svxeadh1H8uJQYYtJWbJN6jmTiaZ4mmytp3jfX693 Content-Transfer-Encoding: base64 Content-Type: text/plain; charset=GBK Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <484fe5f7.9d28.196cea2c6db.Coremail.00107082@163.com> X-Coremail-Locale: zh_CN X-CM-TRANSID:kigvCgD3X77JgyRoMYMEAA--.29853W X-CM-SenderInfo: qqqrilqqysqiywtou0bp/1tbiqARNqmgkfR-pFAACsa X-Coremail-Antispam: 1U5529EdanIXcx71UUUUU7vcSsGvfC2KfnxnUU== CkF0IDIwMjUtMDUtMTQgMTk6MjM6MDIsICJPbGl2ZXIgTmV1a3VtIiA8b25ldWt1bUBzdXNlLmNv bT4gd3JvdGU6Cj4KPgo+T24gMTMuMDUuMjUgMTM6MzgsIERhdmlkIFdhbmcgd3JvdGU6Cj4+IC0t LQo+Cj5IaSwKPgo+c3RpbGwgYW4gaXNzdWUgYWZ0ZXIgYSBzZWNvbmQgcmV2aWV3Lgo+SSBzaG91 bGQgaGF2ZSBub3RpY2VkIGVhcmxpZXIuCj4KPj4gLS0tIGEvZHJpdmVycy91c2IvY29yZS91cmIu Ywo+PiArKysgYi9kcml2ZXJzL3VzYi9jb3JlL3VyYi5jCj4+IEBAIC0yMyw2ICsyMyw3IEBAIHN0 YXRpYyB2b2lkIHVyYl9kZXN0cm95KHN0cnVjdCBrcmVmICprcmVmKQo+PiAgIAo+PiAgIAlpZiAo dXJiLT50cmFuc2Zlcl9mbGFncyAmIFVSQl9GUkVFX0JVRkZFUikKPj4gICAJCWtmcmVlKHVyYi0+ dHJhbnNmZXJfYnVmZmVyKTsKPj4gKwlrZnJlZSh1cmItPmhjcHJpdl9tZW1wb29sKTsKPgo+V2hh dCBpZiBzb21lYm9keSB1c2VzIHVzYl9pbml0X3VyYigpPwoKSSBhbSBub3QgcXVpdGUgc3VyZSBh Ym91dCB0aGUgY29uY2VybiBoZXJlLCBkbyB5b3UgbWVhbiBzb21lYm9keSBjcmVhdGUgYSB1cmIs CmFuZCB0aGVuIHVzYl9pbml0X3VyYigpIGhlcmUsIGFuZCBuZXZlciB1c2UgdXJiX2Rlc3Ryb3kg dG8gcmVsZWFzZSBpdD8KClRoYXQgd291bGQgY2F1c2UgbWVtb3J5IGxlYWsgaWYgdXJiX2Rlc3Ry b3kgaXMgbm90IGNhbGxlZC4uLi4uLkJ1dCBpcyB0aGlzIHJlYWxseSBwb3NzaWJsZT8uCgo+ICAK Pj4gICAJa2ZyZWUodXJiKTsKPj4gICB9Cj4+IEBAIC0xMDM3LDMgKzEwMzgsMjUgQEAgaW50IHVz Yl9hbmNob3JfZW1wdHkoc3RydWN0IHVzYl9hbmNob3IgKmFuY2hvcikKPj4gICAKPj4gICBFWFBP UlRfU1lNQk9MX0dQTCh1c2JfYW5jaG9yX2VtcHR5KTsKPj4gICAKPj4gKy8qKgo+PiArICogdXJi X2hjcHJpdl9tZW1wb29sX3phbGxvYyAtIGFsbG9jIG1lbW9yeSBmcm9tIG1lbXBvb2wgZm9yIGhj cHJpdgo+PiArICogQHVyYjogcG9pbnRlciB0byBVUkIgYmVpbmcgdXNlZAo+PiArICogQHNpemU6 IG1lbW9yeSBzaXplIHJlcXVlc3RlZCBieSBjdXJyZW50IGhvc3QgY29udHJvbGxlcgo+PiArICog QG1lbV9mbGFnczogdGhlIHR5cGUgb2YgbWVtb3J5IHRvIGFsbG9jYXRlCj4+ICsgKgo+PiArICog UmV0dXJuOiBOVUxMIGlmIG91dCBvZiBtZW1vcnksIG90aGVyd2lzZSBtZW1vcnkgYXJlIHplcm9l ZAo+PiArICovCj4+ICt2b2lkICp1cmJfaGNwcml2X21lbXBvb2xfemFsbG9jKHN0cnVjdCB1cmIg KnVyYiwgc2l6ZV90IHNpemUsIGdmcF90IG1lbV9mbGFncykKPj4gK3sKPj4gKwlpZiAodXJiLT5o Y3ByaXZfbWVtcG9vbF9zaXplIDwgc2l6ZSkgewo+PiArCQlrZnJlZSh1cmItPmhjcHJpdl9tZW1w b29sKTsKPj4gKwkJdXJiLT5oY3ByaXZfbWVtcG9vbF9zaXplID0gc2l6ZTsKPj4gKwkJdXJiLT5o Y3ByaXZfbWVtcG9vbCA9IGttYWxsb2Moc2l6ZSwgbWVtX2ZsYWdzKTsKPgo+VGhhdCBjb3VsZCB1 c2Uga3phbGxvYygpLgoKVGhlIG1lbW9yeSB3b3VsZCBiZSAgc2V0IHRvIDAgYmVmb3JlIHJldHVy bmluZyB0byB1c2VyLCB2aWEgbWVtc2V0LCAgIG5vIG1hdHRlciB3aGV0aGVyIHRoZSBtZW1vcnkg aXMgCm5ld2x5IGFsbG9jZWQgb3IganVzdCByZXVzZWQuICBJIHRoaW5rIHVzaW5nIGttYWxsb2Mg aXMgb2sgaGVyZS4KCgpUaGFua3MKRGF2aWQKCj4KPglSZWdhcmRzCj4JCU9saXZlcgo=