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 631E2C433EF for ; Thu, 5 May 2022 18:10:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1382818AbiEESOX (ORCPT ); Thu, 5 May 2022 14:14:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60042 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1382358AbiEESOU (ORCPT ); Thu, 5 May 2022 14:14:20 -0400 Received: from us-smtp-delivery-74.mimecast.com (us-smtp-delivery-74.mimecast.com [170.10.133.74]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 1F32D5AA40 for ; Thu, 5 May 2022 11:10:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1651774239; 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: in-reply-to:in-reply-to:references:references; bh=g+jtLZCY0oS2j8cHAT4ilKEWmUoISrpplfkP+mfinMM=; b=Q3nA9WE2DxvuE3yqa6dt/4f0sAyOwYW46xgwA+hxEUCScmkef3TNjQUwjfMK+XXABDlXf/ R8ELAIcRLADagxgcGrg5rc49X80n09d8vconJv19UP/tVSTtIeByEVPj+NOdwIzU3T9n0d sLBM6iHgEojOF/eUdqlV4mkAMf97Nqc= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-562-ISsz3zr1Nae_YvWmOWeKIw-1; Thu, 05 May 2022 14:10:35 -0400 X-MC-Unique: ISsz3zr1Nae_YvWmOWeKIw-1 Received: from smtp.corp.redhat.com (int-mx09.intmail.prod.int.rdu2.redhat.com [10.11.54.9]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 035CA1014A62; Thu, 5 May 2022 18:10:34 +0000 (UTC) Received: from dhcp-27-174.brq.redhat.com (unknown [10.40.192.3]) by smtp.corp.redhat.com (Postfix) with SMTP id D69755690D9; Thu, 5 May 2022 18:10:28 +0000 (UTC) Received: by dhcp-27-174.brq.redhat.com (nbSMTP-1.00) for uid 1000 oleg@redhat.com; Thu, 5 May 2022 20:10:33 +0200 (CEST) Date: Thu, 5 May 2022 20:10:27 +0200 From: Oleg Nesterov To: "Eric W. Biederman" Cc: linux-kernel@vger.kernel.org, rjw@rjwysocki.net, mingo@kernel.org, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, rostedt@goodmis.org, mgorman@suse.de, bigeasy@linutronix.de, Will Deacon , tj@kernel.org, linux-pm@vger.kernel.org, Peter Zijlstra , Richard Weinberger , Anton Ivanov , Johannes Berg , linux-um@lists.infradead.org, Chris Zankel , Max Filippov , linux-xtensa@linux-xtensa.org, Kees Cook , Jann Horn , linux-ia64@vger.kernel.org Subject: Re: [PATCH v3 08/11] ptrace: Admit ptrace_stop can generate spuriuos SIGTRAPs Message-ID: <20220505181027.GA14011@redhat.com> References: <87k0b0apne.fsf_-_@email.froward.int.ebiederm.org> <20220504224058.476193-8-ebiederm@xmission.com> <20220505152801.GC13929@redhat.com> <87zgjv6f2u.fsf@email.froward.int.ebiederm.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87zgjv6f2u.fsf@email.froward.int.ebiederm.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 2.85 on 10.11.54.9 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 05/05, Eric W. Biederman wrote: > > So I vote for deleting code, and making ptrace_stop easier to reason > about. Yes, yes, agreed. Oleg.