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 4264EC27C40 for ; Thu, 24 Aug 2023 14:33:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241626AbjHXOdQ (ORCPT ); Thu, 24 Aug 2023 10:33:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58652 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241651AbjHXOcv (ORCPT ); Thu, 24 Aug 2023 10:32:51 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 86537193 for ; Thu, 24 Aug 2023 07:32:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1692887524; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type; bh=IGN5BwTI1TXj5JXf6RrJi9vBUlcqrrCxhe7qXqGGUHI=; b=dRB+QJlVDX9kF7XWk6vauxVvwEreUxpz4rj4LD1Q6rcLp3jWI0VaMISh5zhcLDK7Wj/+Yu d+woHZ3HZqi4wwOwYRXYz9efVvGqXdWDrHT12vI1NBg5rn5Bpe1YGgw2O0KYgFbatu7RHM V+qze2ejizVNvhdiQE/tPA8/JlnP7/A= Received: from mimecast-mx02.redhat.com (66.187.233.73 [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-498-L7PzL2hePUKCFphb3FajfQ-1; Thu, 24 Aug 2023 10:32:01 -0400 X-MC-Unique: L7PzL2hePUKCFphb3FajfQ-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 57D5B1C09A46; Thu, 24 Aug 2023 14:32:01 +0000 (UTC) Received: from dhcp-27-174.brq.redhat.com (unknown [10.45.225.43]) by smtp.corp.redhat.com (Postfix) with SMTP id 3530A2026D68; Thu, 24 Aug 2023 14:31:59 +0000 (UTC) Received: by dhcp-27-174.brq.redhat.com (nbSMTP-1.00) for uid 1000 oleg@redhat.com; Thu, 24 Aug 2023 16:31:14 +0200 (CEST) Date: Thu, 24 Aug 2023 16:31:12 +0200 From: Oleg Nesterov To: Andrew Morton Cc: "Eric W. Biederman" , Linus Torvalds , peterz@redhat.com, linux-kernel@vger.kernel.org Subject: [PATCH 0/2] introduce __next_thread(), change next_thread() Message-ID: <20230824143112.GA31208@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 3.1 on 10.11.54.4 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, After document-while_each_thread-change-first_tid-to-use-for_each_thread.patch in mm tree + this series 1. We have only one lockless user of next_thread(), task_group_seq_get_next(). I think it should be changed too. 2. We have only one user of task_struct->thread_group, thread_group_empty(). The next patches will change thread_group_empty() and kill ->thread_group. Oleg.