Received: by 2002:a25:4158:0:0:0:0:0 with SMTP id o85csp769798yba; Wed, 24 Apr 2019 09:18:03 -0700 (PDT) X-Google-Smtp-Source: APXvYqzJelVbUjROps8rgF2EHsLddzTEi71vud7cWNziX4QjJJdroY6QSfRd8z2w4qsShI+X3ISg X-Received: by 2002:a63:6cc4:: with SMTP id h187mr18752856pgc.437.1556122683677; Wed, 24 Apr 2019 09:18:03 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1556122683; cv=none; d=google.com; s=arc-20160816; b=rUfvloa52AwTsxcG3ST70G6GZs8LtjLNLVDUrjRTHsgEgPUj6GF26v7lSxCH4Ohm9O OE1nT+DPMNJGS+nYZ5gcHIUA3W3qH5zrqzwnTSAFOxlHTLHg5pyULV+Zamume5IoOi6X mcNimX6gLtdjJLO2TjiuO2O/qi0rHa5Yf4BaK6AIamT/lfdEl824Jm4nnkOPjmxsHvrt ATRu5DHaCTDA+oLx1WjlUPkxTseG81vwz3hMk7LCnJ/PiS9fUlFPrKpznPCdbs/rOtdk +hWuujtwXWdiszpiNo63QSpNKirr8iU9FHFkIRDxC4+6N1PRTKoAiQRKwq0v2prcs1oO d0ZA== 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; bh=6WC4hYAqIgLTkUYaLUYZEYtZNuRZMbbJLwvDDmBjbGA=; b=lnfqZp0mhjryOjlUJohmpvV/uVzJoAEgdBQj/9l3bb8OLKhP3ymmKajXCrfhd6ackZ Gs/gLjzHdr174/xhnEIMfyFwl3KSX8b36P0K2A2pmf8di0ZGd5IwFrbK8yoqOGc41J4k gXU1qTcyXgD/Qta9hbeRQ9oigZ0MgA3i+DJIV1dI/LlQvq2DQ0EQ17V1kd5LFgTYOu7K rsWEAxioAExFTXdsUOZKNZCK+cbvfFbXVjVbl8IaxHh0YlhURNUtbw4s1sxPOTX3KvmZ 2pRHYkn4A7HotgsStw8qSCeIAyHLj4hx0WvPkVkViMcekqyKtr7TpvQDX7Cw2MfzyDf0 ASXA== 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 o4si17317994pgp.160.2019.04.24.09.17.48; Wed, 24 Apr 2019 09:18:03 -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 S1732198AbfDXQQr (ORCPT + 99 others); Wed, 24 Apr 2019 12:16:47 -0400 Received: from mx1.redhat.com ([209.132.183.28]:44322 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726611AbfDXQQr (ORCPT ); Wed, 24 Apr 2019 12:16:47 -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 D9F8430894F9; Wed, 24 Apr 2019 16:16:45 +0000 (UTC) Received: from dhcp-27-174.brq.redhat.com (unknown [10.43.17.38]) by smtp.corp.redhat.com (Postfix) with SMTP id A8CD35D9C8; Wed, 24 Apr 2019 16:16:43 +0000 (UTC) Received: by dhcp-27-174.brq.redhat.com (nbSMTP-1.00) for uid 1000 oleg@redhat.com; Wed, 24 Apr 2019 18:16:45 +0200 (CEST) Date: Wed, 24 Apr 2019 18:16:42 +0200 From: Oleg Nesterov To: weizhenliang Cc: Christian Brauner , "ebiederm@xmission.com" , "colona@arista.com" , "akpm@linux-foundation.org" , "arnd@arndb.de" , "tglx@linutronix.de" , "deepa.kernel@gmail.com" , "gregkh@linuxfoundation.org" , "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" Subject: Re: Re: [PATCH v4] signal: trace_signal_deliver when signal_group_exit Message-ID: <20190424161641.GI16167@redhat.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: 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 [10.5.110.47]); Wed, 24 Apr 2019 16:16:46 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 04/24, weizhenliang wrote: > > On 04/24, Oleg wrote: > >On 04/24, Christian Brauner wrote: > >> > >> On Wed, Apr 24, 2019 at 08:52:38PM +0800, Zhenliang Wei wrote: > >> > >> > Reviewed-by: Oleg Nesterov > > > >Yes, but ... > > > >> > Reported-by: kbuild test robot > > > >Hmm, really? > > Yes, the kbuild test robot says that if I fix the problem with the third parameter type, > I should add this tag. What is wrong or missing? But this patch does not fix the problem reported by robot, your patch (which introduced that problem) was dropped, the problem has gone. With this "Reported-by: kbuild test robot " tag it looks as if test-robot has found the problem you are trying to fix: the lack of trace_signal_deliver(SIGKILL). Oleg.