From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=198.175.65.20 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793358343; b=J41MhuLaVPPuF8clFGsyzsLMIrisKVa/D+fqpSkR9fo8IbIUNh1twz4nl9yFTJpy5gYo xeh1Stg9/Di3YlZt4DptQUqS0D/IN7JRitlViXFIyJEUjpJ6avskbKgxV3xkNLAmEmfsM oZs9wP30LDqrKZl5znP84OXwiBly4CWtdzNdLyMiSccY5nOg1nVL+Jofk15+DlXqKndse QwqkFK4oMgYZF1/+EszkrefkDoQuU8+pWBIKHlO3rKeV+T7zgRKmb/wEhtd8KzLJxhTgZ Pks7zFiud3RLvL94WAfKHca1hGTHPpZOyx4IbGk5pSEpt7c1dEGucM4HsYqkJPR04sg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793358343; h=DMARC-Filter:DKIM-Signature:X-CSE-ConnectionGUID:X-CSE-MsgGUID: X-IronPort-AV:X-IronPort-AV:Received:X-CSE-ConnectionGUID: X-CSE-MsgGUID:X-ExtLoop1:X-IronPort-AV:Received:Message-ID:Date: MIME-Version:User-Agent:Subject:To:Cc:References:Content-Language: From:In-Reply-To:Content-Type:Content-Transfer-Encoding; bh=agPdL3qf24JsUrVZj63GCPygkTFupZp996BGcl/rBUE=; b=gGGt9mIAqPUBn2Q4YbOL13TZu4H6q1p4WTZM0FSES+zJpyt+t+fWdhsox4O1GG/N1RRh b+cWMuLD6qKmCf5TH5G1wePLbRDJGopXaR1QFyHwJycFnY4wqK0vMTCIr33xFzMhDxrmg iR7HQceW3MWrXzq5f5Ky8PcZvA5mnRgmxZ2ymEGAAEfOVlnT8nLUowGL+LcUrL7MjTAIk dbqXReCTE5rt7jlARineMzE6RUxAYJxG1YDMglF+zvfRrEVgJ2/mFRwojba6N9tWFqwls 4GIb+PuafAB3U9mB1+INV1Nz4nSS5LTMLbWkzQpkkh2qUkVf6ZjRpJelg+X5Tb/CbuQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=R9tiDqIo; arc=none smtp.remote-ip=198.175.65.20 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.20]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9FA00606A31C for ; Fri, 30 Oct 2026 11:05:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 9FA00606A31C Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=R9tiDqIo DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1793358343; x=1824894343; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=RPmCyYVF42T+rjNF3nsLyULwsX3PjwgLJgwv02au+5M=; b=R9tiDqIowmnvNWWzoBPu5FuX6m8MZspVUUYgpk/VpCN++TQL4YwoVuwQ pOfcmAOXKqGcvpwlbu6nJBYukeVd5LxDAcD4CpHqXwtKQMqBAmESu0txC hWi1J3XKXF+6balRveMyFHKfV2uT47FIdK0I/opxFWy5qJvNwRIbU0ktJ 0TvKbqKZBiA75zoy+EgV4HGRpHqqi0no+RoexfuDdfKF5+0A13vJVn+i9 qKF3HS699s9q+kRpyk8quLv2L3kiEtIaYWCvoZ+VNKGGLEprbf6qI2KyF ovB+M54hbCr0gBaaX3b3lWWuf46hZmX1rygiz7VcbDYnL9HWDg6SBvOZw Q==; X-CSE-ConnectionGUID: wEfh0ytISfW47cn4UhHUpg== X-CSE-MsgGUID: qf2HQ0fjQNGmNDN55fEbpw== X-IronPort-AV: E=McAfee;i="6800,10657,11950"; a="2144575" X-IronPort-AV: E=Sophos;i="6.27,186,1787036400"; d="scan'208";a="2144575" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Oct 2026 04:05:42 -0700 X-CSE-ConnectionGUID: SpbQ9/50R7SLZRuaaqf1Ng== X-CSE-MsgGUID: NfFiClmeQAmaeA9d/TJJ3g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,186,1787036400"; d="scan'208";a="5300912" Received: from slindbla-desk.ger.corp.intel.com (HELO [10.245.244.25]) ([10.245.244.25]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Oct 2026 04:05:41 -0700 Message-ID: Date: Fri, 30 Oct 2026 13:05:16 +0200 X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2] xhci: give back TDs and clean up ep0 after disconnect To: Greg KH Cc: linux-usb@vger.kernel.org, regressions@lists.linux.dev, michal.pecio@gmail.com, Yiyu Zhou , Dennis Wissel References: <20261029204324.658845-1-mathias.nyman@linux.intel.com> <20261029204324.658845-2-mathias.nyman@linux.intel.com> <2026103009-handful-labored-d1ce@gregkh> Content-Language: en-US From: Mathias Nyman In-Reply-To: <2026103009-handful-labored-d1ce@gregkh> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 10/30/26 07:22, Greg KH wrote: > On Thu, Oct 29, 2026 at 10:43:24PM +0200, Mathias Nyman wrote: >> From: Yiyu Zhou >> >> Fix a regression in v7.3 introduced by the commits in the Fixes tags. >> Those patches avoid endpoint recovery and rapid state changes after >> the root port link is lost. >> >> This caused a regression in device enumeration. > > I see this patch twice? > My mistake, bash history shows I added the same file twice after git send-email > And sashiko seems to object to it, is that response correct? > It does find one potential case where this patch does not fix the enumeration of devices that disconnect during reset. This patch however is tested and does resolve the two real life regressions where devices briefly disconnect during enumeration. There's a risk for more real life regression if I too hastily fix this patch to cover that sashiko case. Thanks Mathias