From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2AA4B18C932; Mon, 4 Nov 2024 05:46:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730699203; cv=none; b=oDUB/7VKUTyxsv6/F1xaRJa0MNdenL9DsRpqWcaAPLPYXI8jxum1bCLU2p1g5WNXTiF3AoqMlggCJRvS5L9fUeAFv9we8qdOIDapFxkL6oyDnBhrCJ3Z3Uh87wTRY18baQZHRti71UNzwadPe0K625fqEZ+Ff2hjLmyMhVFR8CQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730699203; c=relaxed/simple; bh=vdUrGKV2tdNOxlCYb34IIX5K3OuOPcbCuNVOgS5E4vo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=mzM9tW6xJjXWXe42TrNFbqq7Mb9oBCTA4h7K7r7stHDHwBJhRq9b161OyGyCD6zaPuf/V1OXc3p2LZ37GnYKz91bnD0CHMkzhVCWzCIBmQB8eq3XrRP9GQn/jDOGqi7dWIS43Q+N2SUFEpwgOaU4VxVtj7gzvrj0H8fya4j/WX8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=oGCu94lS; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="oGCu94lS" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 58BDBC4CECE; Mon, 4 Nov 2024 05:46:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1730699202; bh=vdUrGKV2tdNOxlCYb34IIX5K3OuOPcbCuNVOgS5E4vo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=oGCu94lScktKNcMk/xgpMWH1owD+lRbdYDZV+gkNUqWjgX/DlkpB9xAK2ELvWvrKf rzwbkxDWaU1lIDqSIlfafk+b3pg/bfuF+l4hwegr2uu9DxC9Oc2EU8uViwti785BnU xgHG3gAVVeWRSkyDloh5kgrOd0/Uha6HLHzLh0Gw= Date: Mon, 4 Nov 2024 00:11:39 +0100 From: Greg Kroah-Hartman To: Hubert =?utf-8?Q?Wi=C5=9Bniewski?= Cc: Bin Liu , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] usb: musb: Fix hardware lockup on first Rx endpoint request Message-ID: <2024110415-zippy-litigate-f37d@gregkh> References: <2024101625-fetal-oboe-1b9a@gregkh> <50361c479af3067031320b19fe650a32bec6d1ba.camel@gmail.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <50361c479af3067031320b19fe650a32bec6d1ba.camel@gmail.com> On Fri, Oct 18, 2024 at 07:51:54AM +0200, Hubert Wiśniewski wrote: > On Wed, 2024-10-16 at 10:27 +0200, Greg Kroah-Hartman wrote: > > What commit id does this fix? > > This does not fix any commit in particular. Bisecting reveals baebdf48c360 > ("net: dev: Makes sure netif_rx() can be invoked in any context."), but it > did not create the problem, it just exposed it by changing the behaviour of > netif_rx(). Callback could be called from usb_ep_queue() since the very > beginning of the MUSB driver introduced by 550a7375fe72 ("USB: Add MUSB and > TUSB support"). > Great, can you resubmit this with a proper "Fixes:" tag on it so we can backport it to the needed stable kernel(s)? thanks, greg k-h