From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-1445413-1522346898-2-2549920225187258535 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.249, ME_NOAUTH 0.01, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, LANGUAGES ensv, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='CN', FromHeader='org', MailFrom='org' X-Spam-charsets: plain='UTF-8' X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: stable-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=fm2; t= 1522346898; b=Fiq1INFaNi/Alg0qMLAZbJShjH2LnA1k2ELcGWgVDFPPhmjQNh hdAM1vtCczMGY6+irKR1SlwFGS+XEkEhLOpcUd8dPjgDTgTdFA8YSY3nPCnYNRr7 NM00k2Eiu83NJQRWVBxGAEeDu7w5oFUGrotuWEUdpjY9fy/fO0Lu2JUWt7t0SLKK +onwKIuKLwe/cW9z/d2CfTHUE13cMffb+MwDayK8s8HOvh3KzitI+R1hoDhdBfx+ 67/Hl9qGqzTo0SWWOhElWtJ00n9UyOk8GAc7Cn1zKrl0+3XGzh0OWhwc73V0+1o6 wHpQqglJ4QyUyqfvSkfFu6wVxQMPourGkzHw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-type:sender :list-id; s=fm2; t=1522346898; bh=ujGUzzvICLboNLsLb1o/LaXe4ISYlm /vzBKjlYJlumg=; b=S6226eF8mV0xHq2zo5ctzYM7hhKfPQtFS1rii3kPNIY9t1 /ZDfpKharSH7apE6T0UIAQjXGpyryL3I7Va2B6lvrpqBy9AFlINMghOOS7uMX1gB 9Tnn6r7B2q8F3UWfQt+mVXgXHUoArQDO3hwOHpYMdesu1QUhwS8/DO5PiVFmij+f 07e8ngQt30++nKKv1d7wONHKhbTmmYpn5vYhwxDrIDQlBiOorUsEJOMS3EQZFbDC DT6M2te3GD/ZuXwId6RMkqDFx1R9MbHIdZJPktnWxHMY+ZtXyDoXoZrSng6+CWl7 Ius4xJvRP8fv6HLur510BN5ql8Ae/Y5NLyo7eNxQ== ARC-Authentication-Results: i=1; mx5.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-cm=none score=0; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes; x-vs=clean score=-100 state=0 Authentication-Results: mx5.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-cm=none score=0; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes; x-vs=clean score=-100 state=0 X-ME-VSCategory: clean X-CM-Envelope: MS4wfDTitxvicUMBfq9TjtdpvqBq0WH7uqUd7LzZcAhxlWk2ukcJL4QbNj9hxOeVB6wIJ7/mIZ26ajDE5+GUbCZHAZS5LysdyqOUFDQrolSe2xhvd7vaZHAF AVIvchd38MGiUURFJrf94/nG3gwiH997eQ8bX782yFwK1aLVU/0nL80pdNDCacwx6/5mUgAFGixJ6X4XEfpWGn6sP0xDrdq6PtvPCQO2yUhuH3y2GrQhWnp+ X-CM-Analysis: v=2.3 cv=NPP7BXyg c=1 sm=1 tr=0 a=UK1r566ZdBxH71SXbqIOeA==:117 a=UK1r566ZdBxH71SXbqIOeA==:17 a=IkcTkHD0fZMA:10 a=v2DPQv5-lfwA:10 a=VnNF1IyMAAAA:8 a=J1Y8HTJGAAAA:8 a=ag1SF4gXAAAA:8 a=5obkJBC4009fAKjw8KMA:9 a=QEXdDO2ut3YA:10 a=y1Q9-5lHfBjTkpIzbSAN:22 a=Yupwre4RP9_Eg_Bd0iYG:22 X-ME-CMScore: 0 X-ME-CMCategory: none Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754234AbeC2SIP (ORCPT ); Thu, 29 Mar 2018 14:08:15 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:60568 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754076AbeC2SIN (ORCPT ); Thu, 29 Mar 2018 14:08:13 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Julian Wiedmann , "David S. Miller" Subject: [PATCH 4.4 15/20] s390/qeth: when thread completes, wake up all waiters Date: Thu, 29 Mar 2018 20:00:51 +0200 Message-Id: <20180329175742.647123546@linuxfoundation.org> X-Mailer: git-send-email 2.16.3 In-Reply-To: <20180329175741.886181131@linuxfoundation.org> References: <20180329175741.886181131@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Julian Wiedmann [ Upstream commit 1063e432bb45be209427ed3f1ca3908e4aa3c7d7 ] qeth_wait_for_threads() is potentially called by multiple users, make sure to notify all of them after qeth_clear_thread_running_bit() adjusted the thread_running_mask. With no timeout, callers would otherwise stall. Signed-off-by: Julian Wiedmann Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- drivers/s390/net/qeth_core_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -952,7 +952,7 @@ void qeth_clear_thread_running_bit(struc spin_lock_irqsave(&card->thread_mask_lock, flags); card->thread_running_mask &= ~thread; spin_unlock_irqrestore(&card->thread_mask_lock, flags); - wake_up(&card->wait_q); + wake_up_all(&card->wait_q); } EXPORT_SYMBOL_GPL(qeth_clear_thread_running_bit);