Received: by 2002:ac0:a5a7:0:0:0:0:0 with SMTP id m36-v6csp965165imm; Wed, 25 Jul 2018 09:06:34 -0700 (PDT) X-Google-Smtp-Source: AAOMgpe94K3+eNLizPEikwsy5ZvGn3l3wTzNdR2bGXnwC+1FlsKAspggvHhPCs2adAQSX8mZlskF X-Received: by 2002:a17:902:b58b:: with SMTP id a11-v6mr20473199pls.34.1532534794556; Wed, 25 Jul 2018 09:06:34 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1532534794; cv=none; d=google.com; s=arc-20160816; b=FR3QrCyzVpPLpOPFi0IuVrovC7EQJIohvJMWDPobmuKTO4rsOJ0K18BZL2hMwWdpiI IhkwYSk2DPBxNZL7HhDXYWgQP7kSNSOGCXxA9TxGDpFesHqxgn93vMvSShkOq1gcEom0 /gaW2FBhDF5XE/6hX3Iqgc8jwcN2t2KozrmS/PQed+W0aOjRZBPqzaw9I1GZ4uFmhweo bhsnZw5NmsqA5u2Lrq9eIb9wlEv8Ci7xfwoSFFugHjsobVOeendS2lksqu/i1l4uanEP Hl0owBf5XfMABqBZx29s+Nv8QXspxZZQ5B5q+QSGy5cNHxNCB8gBpf1SJ7jyAXMzlAQm P9rg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:arc-authentication-results; bh=WU2p6VipjvsGfyHrenOCfWm6XOK/+pnUSTt2wJaQ3RU=; b=Ggo2L21dV2ajTtz9QcXNPc7vR/K9ihgvZDVW3UeNCkNQcBMBUjJhX4G3qme368KvXw JC2sLshufeEKZdhFMAQ/qD7cnvUiU/+LnxUtnRNZ+ulRnnpjF7OmZ4D4EnY+xX0MLKVa 5eK/bzFITXhkce5bAeF5/Ua9aP/Rs7uvijIEE3wGjgoelzWTp96bxw4VRuBUMRcfGvbC lnpSa7KG9W5OHORQtAVFuqflvWKYUtFZO8QgyouW8ErVQEh4w4LA6HDmnDCzRcLSPSf6 Elxyxmgy/3q+jaNKlzBDYhjhojqx3VoC0R9tc/OfJkWE/M5mQcxGCYIE32wcqVkpqcxH SNkg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=redhat.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id n11-v6si12774856plg.344.2018.07.25.09.06.19; Wed, 25 Jul 2018 09:06:34 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729219AbeGYRRt (ORCPT + 99 others); Wed, 25 Jul 2018 13:17:49 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:45044 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728600AbeGYRRt (ORCPT ); Wed, 25 Jul 2018 13:17:49 -0400 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 mx1.redhat.com (Postfix) with ESMTPS id 5B10A8185331; Wed, 25 Jul 2018 16:05:30 +0000 (UTC) Received: from dhcp-27-174.brq.redhat.com (unknown [10.34.27.30]) by smtp.corp.redhat.com (Postfix) with SMTP id DE6F32026D68; Wed, 25 Jul 2018 16:05:28 +0000 (UTC) Received: by dhcp-27-174.brq.redhat.com (nbSMTP-1.00) for uid 1000 oleg@redhat.com; Wed, 25 Jul 2018 18:05:30 +0200 (CEST) Date: Wed, 25 Jul 2018 18:05:28 +0200 From: Oleg Nesterov To: "Eric W. Biederman" Cc: Linus Torvalds , Andrew Morton , linux-kernel@vger.kernel.org, Wen Yang , majiang Subject: Re: [PATCH 00/20] PIDTYPE_TGID removal of fork restarts Message-ID: <20180725160527.GA21007@redhat.com> References: <87sh4so5jv.fsf@xmission.com> <20180709145726.GA26149@redhat.com> <877em4nxo0.fsf@xmission.com> <87lgakm4ol.fsf@xmission.com> <20180710134639.GA2453@redhat.com> <877em2jxyr.fsf_-_@xmission.com> <87efft5ncd.fsf_-_@xmission.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87efft5ncd.fsf_-_@xmission.com> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 2.78 on 10.11.54.4 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.8]); Wed, 25 Jul 2018 16:05:30 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.8]); Wed, 25 Jul 2018 16:05:30 +0000 (UTC) for IP:'10.11.54.4' DOMAIN:'int-mx04.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'oleg@redhat.com' RCPT:'' Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 07/23, Eric W. Biederman wrote: > > signal: Add calculate_sigpending() > fork: Have new threads join on-going signal group stops > signal: Don't restart fork when signals come in. Oh, I need to re-read these patches tomorrow. I have some concerns, but perhaps I am wrong. Will write another email tomorrow. Oleg.