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 CFE64C433F5 for ; Fri, 6 May 2022 14:14:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1442098AbiEFOSb (ORCPT ); Fri, 6 May 2022 10:18:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41340 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1442124AbiEFOS3 (ORCPT ); Fri, 6 May 2022 10:18:29 -0400 Received: from us-smtp-delivery-74.mimecast.com (us-smtp-delivery-74.mimecast.com [170.10.129.74]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 2B9866832F for ; Fri, 6 May 2022 07:14:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1651846484; 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=4WPQviVmMjemjYUh4b8U2LA9qSLoIcn96jpyEFtsl+k=; b=R4rj4LFFCAhLtEUzxNBLFEAqXZJZWctilf+wp+fdEg88CkzM5DIZwS13vf1bjkz12A7Mkv YR8drfVECsK2rBh839n3z0uzh8qTpyISTsxC8vH+URn8DCr99jGtnQ8tLqJ/8pMEBg68u0 4l9KXPtI9a7Eg4Vr2X9r0yDq+4OewVM= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [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-629-dni0LC3cNe2LSghfsbJBpw-1; Fri, 06 May 2022 10:14:37 -0400 X-MC-Unique: dni0LC3cNe2LSghfsbJBpw-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.rdu2.redhat.com [10.11.54.1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id EEAEE1C06903; Fri, 6 May 2022 14:14:35 +0000 (UTC) Received: from dhcp-27-174.brq.redhat.com (unknown [10.40.192.95]) by smtp.corp.redhat.com (Postfix) with SMTP id 85DF840CF8E8; Fri, 6 May 2022 14:14:31 +0000 (UTC) Received: by dhcp-27-174.brq.redhat.com (nbSMTP-1.00) for uid 1000 oleg@redhat.com; Fri, 6 May 2022 16:14:35 +0200 (CEST) Date: Fri, 6 May 2022 16:14:30 +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, Jann Horn , Kees Cook , linux-ia64@vger.kernel.org Subject: Re: [PATCH v4 0/12] ptrace: cleaning up ptrace_stop Message-ID: <20220506141403.GA16084@redhat.com> References: <20220421150248.667412396@infradead.org> <20220421150654.817117821@infradead.org> <87czhap9dy.fsf@email.froward.int.ebiederm.org> <878rrrh32q.fsf_-_@email.froward.int.ebiederm.org> <87k0b7v9yk.fsf_-_@email.froward.int.ebiederm.org> <87k0b0apne.fsf_-_@email.froward.int.ebiederm.org> <87a6bv6dl6.fsf_-_@email.froward.int.ebiederm.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87a6bv6dl6.fsf_-_@email.froward.int.ebiederm.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 2.84 on 10.11.54.1 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org On 05/05, Eric W. Biederman wrote: > > Eric W. Biederman (11): > signal: Rename send_signal send_signal_locked > signal: Replace __group_send_sig_info with send_signal_locked > ptrace/um: Replace PT_DTRACE with TIF_SINGLESTEP > ptrace/xtensa: Replace PT_SINGLESTEP with TIF_SINGLESTEP > ptrace: Remove arch_ptrace_attach > signal: Use lockdep_assert_held instead of assert_spin_locked > ptrace: Reimplement PTRACE_KILL by always sending SIGKILL > ptrace: Document that wait_task_inactive can't fail > ptrace: Admit ptrace_stop can generate spuriuos SIGTRAPs > ptrace: Don't change __state > ptrace: Always take siglock in ptrace_resume > > Peter Zijlstra (1): > sched,signal,ptrace: Rework TASK_TRACED, TASK_STOPPED state I can't comment 5/12. to be honest I didn't even try to look into arch/ia64/. But other than that I see no problems in this version. However, I'd like to actually apply the whole series and read the changed code carefully, but sorry, I don't think I can do this before Monday. Oleg.