From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 191A6C00140 for ; Fri, 12 Aug 2022 09:50:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229966AbiHLJuT (ORCPT ); Fri, 12 Aug 2022 05:50:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37426 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237014AbiHLJuS (ORCPT ); Fri, 12 Aug 2022 05:50:18 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 42AD4101B; Fri, 12 Aug 2022 02:50:17 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id CF1A5B82388; Fri, 12 Aug 2022 09:50:15 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 7C8E5C433B5; Fri, 12 Aug 2022 09:50:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1660297814; bh=4xmUSnWbtlwB4j/CmfyVfPxefCxcgIliLxGjbbC9WA8=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=SnZFMbrP2+obQZ/4KepTrPK5lj+TaRoQ4ZIrTiNX6BBg4lqgrbrTdOOruJLINwX0w blO9xgwRqR16D6wS4xLsNohlIlUsRcLMMe04LpzwlTNIpWcHiKj9rtCFp4i76xUGtB jXOPkpmX+TqceXx0hBP/WA2QAi8odF6AeP4V62wlDhGNCVZr2jchvBUZsjbxNDPPHP qgDNYg3NYGGrrUhKdsoKqHTUPj/N79COQLn5LXsof/svjn4qZiWNupsw49ZBPvOp7o vPtJTcz02/XQ8GDxccj7ZDopRqqR7YteQOqqafg99995pG9nCEOvNygAvrqbj9bmlz csKfNb0PrjDnA== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id 63C0AC43142; Fri, 12 Aug 2022 09:50:14 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH] rds: add missing barrier to release_refill From: patchwork-bot+netdevbpf@kernel.org Message-Id: <166029781440.21057.2862076834998387336.git-patchwork-notify@kernel.org> Date: Fri, 12 Aug 2022 09:50:14 +0000 References: In-Reply-To: To: Mikulas Patocka Cc: santosh.shilimkar@oracle.com, netdev@vger.kernel.org, linux-rdma@vger.kernel.org, rds-devel@oss.oracle.com Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org Hello: This patch was applied to netdev/net.git (master) by David S. Miller : On Wed, 10 Aug 2022 09:00:42 -0400 (EDT) you wrote: > The functions clear_bit and set_bit do not imply a memory barrier, thus it > may be possible that the waitqueue_active function (which does not take > any locks) is moved before clear_bit and it could miss a wakeup event. > > Fix this bug by adding a memory barrier after clear_bit. > > Signed-off-by: Mikulas Patocka > Cc: stable@vger.kernel.org Here is the summary with links: - rds: add missing barrier to release_refill https://git.kernel.org/netdev/net/c/9f414eb409da You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html