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=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,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 EF97AC433F1 for ; Fri, 26 Mar 2021 15:53:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CB58061A28 for ; Fri, 26 Mar 2021 15:53:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231213AbhCZPww (ORCPT ); Fri, 26 Mar 2021 11:52:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41352 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230331AbhCZPwJ (ORCPT ); Fri, 26 Mar 2021 11:52:09 -0400 Received: from mail-il1-x134.google.com (mail-il1-x134.google.com [IPv6:2607:f8b0:4864:20::134]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 74C58C0613AA for ; Fri, 26 Mar 2021 08:52:09 -0700 (PDT) Received: by mail-il1-x134.google.com with SMTP id j11so5362941ilu.13 for ; Fri, 26 Mar 2021 08:52:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=li3YfRJpVv71xu0WVsVssRzCMBArHCH1EvW6QYE1yT0=; b=n7oHJNJCUAxOzOa/CGB3u4Q7UE5CWm5TKevwGbzL3PRl8+GI6vh0c4qFK6r6FNlPm3 ylHkElPhL0Xh++BcEfdRjU0EJa/IvxICaOUe/yWv7GojHTTqNv8bIZL7XEBPbBOfSWp+ zQoBfYMqj62OtPnmh2UF+XJBfBnOeAguzP46pdRk7g/GmFcIXSCA8tmdW/Jp1wWGAOQq BvjCc6fIIjh0epHDbR2byBUoASCGIr3loqA+yqcBmEYsJX+RLdfCbRjOVJOnnN0bEZl+ EFZAZw/QDIWEkqzUK1k20yY0WfL0X2Lg6pCFE+B8tzG1u3W2ixxnvkqkWpyE3gbjm7kb OVow== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=li3YfRJpVv71xu0WVsVssRzCMBArHCH1EvW6QYE1yT0=; b=klpADnzFQfIWc348ojP/zdzAUhvdRfv4RalWdPn4lZi1Wn7VRCJJ6xildG7bpst7nK 6m9dq+Uz+FxmQSrdSgFqsN/rMudAa6MQApfqJ87Ks/7x5RAWyX8c+oYZG7pTu0NXvIvi Xl8EnniXgvDUzV9aA683JL1p9BgWeYRx3kfO8ZnmtxJfC6w9c3iFEvALpvYDir/C/dSu FRcv8LMMTGSL7aGGcalcdALo4O2lEC0PTibXVZLNfiotH+sE/7fv7GDX+MqdmUn5wmQj Ct+Zr+3GuaEg4693ttub8ncMOOSTZ81OyQOmWOAHRlZfFHDP9hVzduSYyZ1XKqd6+95w dkyg== X-Gm-Message-State: AOAM530/n4AoxW+A3EojXtOs5iRPXFDlRpN7rbsypkq/n8PrsccDnGp6 DX1pz3AfmqBe66EMImL1mAqC6Q== X-Google-Smtp-Source: ABdhPJwBwx8cRwQ7I43gdoBP66bssGfrR1P/zEt8f5ovURJegjRD93MoycFphMyp79wX/sfVZ5SbVg== X-Received: by 2002:a05:6e02:219e:: with SMTP id j30mr10764366ila.196.1616773928942; Fri, 26 Mar 2021 08:52:08 -0700 (PDT) Received: from p1.localdomain ([65.144.74.34]) by smtp.gmail.com with ESMTPSA id a7sm4456337ilj.64.2021.03.26.08.52.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 26 Mar 2021 08:52:08 -0700 (PDT) From: Jens Axboe To: io-uring@vger.kernel.org Cc: torvalds@linux-foundation.org, ebiederm@xmission.com, metze@samba.org, oleg@redhat.com, linux-kernel@vger.kernel.org, Jens Axboe Subject: [PATCH 05/10] Revert "kernel: freezer should treat PF_IO_WORKER like PF_KTHREAD for freezing" Date: Fri, 26 Mar 2021 09:51:20 -0600 Message-Id: <20210326155128.1057078-8-axboe@kernel.dk> X-Mailer: git-send-email 2.31.0 In-Reply-To: <20210326155128.1057078-1-axboe@kernel.dk> References: <20210326155128.1057078-1-axboe@kernel.dk> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- kernel/freezer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/freezer.c b/kernel/freezer.c index 1a2d57d1327c..dc520f01f99d 100644 --- 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); -- 2.31.0