From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:45976 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752425AbdFOND5 (ORCPT ); Thu, 15 Jun 2017 09:03:57 -0400 Subject: Patch "r8152: re-schedule napi for tx" has been added to the 4.4-stable tree To: hayeswang@realtek.com, alexander.levin@verizon.com, davem@davemloft.net, gregkh@linuxfoundation.org Cc: , From: Date: Thu, 15 Jun 2017 15:03:37 +0200 Message-ID: <14975318173064@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled r8152: re-schedule napi for tx to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: r8152-re-schedule-napi-for-tx.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From foo@baz Thu Jun 15 15:01:15 CEST 2017 From: hayeswang Date: Thu, 26 Jan 2017 09:38:33 +0800 Subject: r8152: re-schedule napi for tx From: hayeswang [ Upstream commit 248b213ad908b88db15941202ef7cb7eb137c1a0 ] Re-schedule napi after napi_complete() for tx, if it is necessay. In r8152_poll(), if the tx is completed after tx_bottom() and before napi_complete(), the scheduling of napi would be lost. Then, no one handles the next tx until the next napi_schedule() is called. Signed-off-by: Hayes Wang Signed-off-by: David S. Miller Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/net/usb/r8152.c | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -1851,6 +1851,9 @@ static int r8152_poll(struct napi_struct napi_complete(napi); if (!list_empty(&tp->rx_done)) napi_schedule(napi); + else if (!skb_queue_empty(&tp->tx_queue) && + !list_empty(&tp->tx_free)) + napi_schedule(napi); } return work_done; Patches currently in stable-queue which might be from hayeswang@realtek.com are queue-4.4/r8152-fix-rtl8152_post_reset-function.patch queue-4.4/r8152-re-schedule-napi-for-tx.patch