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 X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 28290C001E7 for ; Mon, 5 Apr 2021 09:15:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F288861002 for ; Mon, 5 Apr 2021 09:15:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240305AbhDEJO6 (ORCPT ); Mon, 5 Apr 2021 05:14:58 -0400 Received: from mail.kernel.org ([198.145.29.99]:58412 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238892AbhDEJLb (ORCPT ); Mon, 5 Apr 2021 05:11:31 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id AE130613A7; Mon, 5 Apr 2021 09:11:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1617613875; bh=UKghFny69coTffHjMIZPzcbMA/FSap3044jk8omocHM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QH27VaWGDSskJ0Jo819ye5uG+nz/ykHSxy4mS4U0MPXQWnbu+MQE2yJaWaB8buAp+ X7cyIQUBZrzrFwL69fzTw+9/69xc9TuQARO3vBFBy6VBoGWJ1MLW+DrYHo63WHDmY4 X2A8WDGmqR0c8IsTw6V0p7u6kRI2LGc8Mbm6hrlc= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jens Axboe Subject: [PATCH 5.10 125/126] Revert "kernel: freezer should treat PF_IO_WORKER like PF_KTHREAD for freezing" Date: Mon, 5 Apr 2021 10:54:47 +0200 Message-Id: <20210405085035.165900931@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210405085031.040238881@linuxfoundation.org> References: <20210405085031.040238881@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jens Axboe commit d3dc04cd81e0eaf50b2d09ab051a13300e587439 upstream. This reverts commit 15b2219facadec583c24523eed40fa45865f859f. Before IO threads accepted signals, the freezer using take signals to wake up an IO thread would cause them to loop without any way to clear the pending signal. That is no longer the case, so stop special casing PF_IO_WORKER in the freezer. Signed-off-by: Jens Axboe Signed-off-by: Greg Kroah-Hartman --- kernel/freezer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/kernel/freezer.c +++ b/kernel/freezer.c @@ -134,7 +134,7 @@ bool freeze_task(struct task_struct *p) return false; } - if (!(p->flags & (PF_KTHREAD | PF_IO_WORKER))) + if (!(p->flags & PF_KTHREAD)) fake_signal_wake_up(p); else wake_up_state(p, TASK_INTERRUPTIBLE);