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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS 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 951B0C43381 for ; Wed, 27 Mar 2019 01:26:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6E3712075E for ; Wed, 27 Mar 2019 01:26:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732440AbfC0B0K (ORCPT ); Tue, 26 Mar 2019 21:26:10 -0400 Received: from vmicros1.altlinux.org ([194.107.17.57]:46702 "EHLO vmicros1.altlinux.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726377AbfC0B0I (ORCPT ); Tue, 26 Mar 2019 21:26:08 -0400 Received: from mua.local.altlinux.org (mua.local.altlinux.org [192.168.1.14]) by vmicros1.altlinux.org (Postfix) with ESMTP id 6BCD972CCAC; Wed, 27 Mar 2019 04:26:06 +0300 (MSK) Received: by mua.local.altlinux.org (Postfix, from userid 508) id 61C917CC74C; Wed, 27 Mar 2019 04:26:06 +0300 (MSK) Date: Wed, 27 Mar 2019 04:26:06 +0300 From: "Dmitry V. Levin" To: Oleg Nesterov Cc: Thomas Gleixner , Steven Rostedt , "Gustavo A. R. Silva" , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , x86@kernel.org, LKML , Dominik Brodowski , Andy Lutomirski , Kees Cook , "Eric W. Biederman" Subject: Re: [PATCH v2] x86/syscalls: Mark expected switch fall-throughs Message-ID: <20190327012606.GA16532@altlinux.org> References: <20190228192746.GA13021@embeddedor> <20190326151244.GC16837@redhat.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="bg08WKrSYDhXBjb5" Content-Disposition: inline In-Reply-To: <20190326151244.GC16837@redhat.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --bg08WKrSYDhXBjb5 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Mar 26, 2019 at 04:12:45PM +0100, Oleg Nesterov wrote: > On 03/23, Thomas Gleixner wrote: [...] > > 2) syscall_set_arguments() has been introduced in 2008 and we still ha= ve > > no caller. Instead of polishing it, can it be removed completely or= are > > there plans to actually use it? >=20 > I think it can die. When PTRACE_GET_SYSCALL_INFO is finally squeezed into the kernel, we could discuss adding PTRACE_SET_SYSCALL_INFO as well, and it will need syscall_set_arguments(). --=20 ldv --bg08WKrSYDhXBjb5 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIcBAEBCAAGBQJcmtEuAAoJEAVFT+BVnCUI3zUP/2RZWYWuiAp3lHUdLmqHR3eY 3u8EEPpVPtF+crpRfqoQiW2FG2cSKfRnEHfrFw9zldkcVtzrRIMuk9o/7cPyPtb2 A68+LQzhB4Np4VOhoYp75OpQFFkYZYkyvKcFdCgOrnOsqXz7//S+9coaSaImNOqG Pn6l6aozZ77rCZ2YIv6viLQNo8eHhs0Qkdo0dsZ6RIDfAbRcXx7KNhNBZF2yxYis QQJrf/vU/PmjOLCFvHsOKqZRF0fh9OMG2R+9CizYfbQv3KZb5oWXVH+F2SLwQhRO xXCDJJ203Ete6xZHcwMNheZmBX7+TfiXowlatY5DE2dVSBS+n5sVlceprKNg1Cq1 97No96ngGmcCywXSHxDUPUcEVN1XNGN+V5mhGWO4aV5T4bbmcEVk6pYHflOVng2z gknj0x2PBgR0k4eVtZvBt2j+owrHS1oSS34wBP4DVCriicwIDNMqv+2cWOKs/BHn o6b17QFVbh8+DbfaBvaAVzlrJneAwkbP5BstorFdCiplRcu6NCY0rkj/T8f3urOO esDLlxaizbPGDX/uc0GvG/HgPJC+qt+qZXxE6bsYHLEKvKZFGMrOPbTws3bGl85A iHz+hVMF5g1YnICerbnmQdXcpUopR9XcmpI1cSaxj1hbWh3mfNzhmwtiXrwB+jCp eR7q0PDioucgVdaLAtbd =UA9I -----END PGP SIGNATURE----- --bg08WKrSYDhXBjb5--