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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=ham 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 93DABC10F13 for ; Tue, 16 Apr 2019 12:43:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6D6BE205ED for ; Tue, 16 Apr 2019 12:43:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729131AbfDPMnc (ORCPT ); Tue, 16 Apr 2019 08:43:32 -0400 Received: from mx1.redhat.com ([209.132.183.28]:35834 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726907AbfDPMnc (ORCPT ); Tue, 16 Apr 2019 08:43:32 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 0C4D5307E047; Tue, 16 Apr 2019 12:43:27 +0000 (UTC) Received: from dhcp-27-174.brq.redhat.com (unknown [10.43.17.38]) by smtp.corp.redhat.com (Postfix) with SMTP id 12CA05D9D6; Tue, 16 Apr 2019 12:43:20 +0000 (UTC) Received: by dhcp-27-174.brq.redhat.com (nbSMTP-1.00) for uid 1000 oleg@redhat.com; Tue, 16 Apr 2019 14:43:26 +0200 (CEST) Date: Tue, 16 Apr 2019 14:43:20 +0200 From: Oleg Nesterov To: "Joel Fernandes (Google)" Cc: linux-kernel@vger.kernel.org, luto@amacapital.net, rostedt@goodmis.org, dancol@google.com, christian@brauner.io, jannh@google.com, surenb@google.com, torvalds@linux-foundation.org, Alexey Dobriyan , Al Viro , Andrei Vagin , Andrew Morton , Arnd Bergmann , "Eric W. Biederman" , Kees Cook , linux-fsdevel@vger.kernel.org, linux-kselftest@vger.kernel.org, Michal Hocko , Nadav Amit , Serge Hallyn , Shuah Khan , Stephen Rothwell , Taehee Yoo , Tejun Heo , Thomas Gleixner , Tycho Andersen Subject: Re: [PATCH RFC 1/2] Add polling support to pidfd Message-ID: <20190416124320.GA24643@redhat.com> References: <20190411175043.31207-1-joel@joelfernandes.org> <20190416120430.GA15437@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190416120430.GA15437@redhat.com> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.42]); Tue, 16 Apr 2019 12:43:32 +0000 (UTC) Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On 04/16, Oleg Nesterov wrote: > > And ->wait_pidfd should probably > live in task->signal_struct. but this will need the additional cleanup in free_signal_struct(), list_del(&sig->wait_pidfd->head). Oleg.