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[209.132.180.67]) by mx.google.com with ESMTP id h13si11288930edw.348.2019.10.02.08.08.30; Wed, 02 Oct 2019 08:08:56 -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=xmission.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728487AbfJBOua (ORCPT + 99 others); Wed, 2 Oct 2019 10:50:30 -0400 Received: from out01.mta.xmission.com ([166.70.13.231]:54494 "EHLO out01.mta.xmission.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726411AbfJBOua (ORCPT ); Wed, 2 Oct 2019 10:50:30 -0400 Received: from in01.mta.xmission.com ([166.70.13.51]) by out01.mta.xmission.com with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.87) (envelope-from ) id 1iFfxU-0001ee-Bs; Wed, 02 Oct 2019 08:50:28 -0600 Received: from ip68-227-160-95.om.om.cox.net ([68.227.160.95] helo=x220.xmission.com) by in01.mta.xmission.com with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.87) (envelope-from ) id 1iFfxT-0001fT-MJ; Wed, 02 Oct 2019 08:50:28 -0600 From: ebiederm@xmission.com (Eric W. Biederman) To: Arnd Bergmann Cc: Kees Cook , "linux-kernel\@vger.kernel.org" , linux-arch , Linux API , Linus Torvalds , Andi Kleen , Andi Kleen , Cong Wang , Luis Chamberlain , Apelete Seketeli , Chee Nouk Phoon , Chris Zankel , Christian Ruppert , Greg Ungerer , Helge Deller , Hongliang Tao , Huacai Chen , Jonas Jensen , Josh Boyer , Jun Nie , Lars-Peter Clausen , Ley Foon Tan , Linus Walleij , Max Filippov , Olof Johansson , Paul Burton , Phil Edworthy , Pierrick Hascoet , Ralf Baechle , Roland Stigge , Vineet Gupta References: <8736gcjosv.fsf@x220.int.ebiederm.org> <201910011140.EA0181F13@keescook> <87imp8hyc8.fsf@x220.int.ebiederm.org> Date: Wed, 02 Oct 2019 09:49:48 -0500 In-Reply-To: (Arnd Bergmann's message of "Wed, 2 Oct 2019 09:31:01 +0200") Message-ID: <87v9t7gq2b.fsf@x220.int.ebiederm.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-XM-SPF: eid=1iFfxT-0001fT-MJ;;;mid=<87v9t7gq2b.fsf@x220.int.ebiederm.org>;;;hst=in01.mta.xmission.com;;;ip=68.227.160.95;;;frm=ebiederm@xmission.com;;;spf=neutral X-XM-AID: U2FsdGVkX1/UEBXD5WP39qJHI4Xhd6CvSgTp9fMBYRU= X-SA-Exim-Connect-IP: 68.227.160.95 X-SA-Exim-Mail-From: ebiederm@xmission.com X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on sa07.xmission.com X-Spam-Level: ** X-Spam-Status: No, score=2.3 required=8.0 tests=ALL_TRUSTED,BAYES_50, DCC_CHECK_NEGATIVE,TR_Symld_Words,T_TM2_M_HEADER_IN_MSG, T_XMDrugObfuBody_08 autolearn=disabled version=3.4.2 X-Spam-Report: * -1.0 ALL_TRUSTED Passed through trusted hosts only via SMTP * 0.8 BAYES_50 BODY: Bayes spam probability is 40 to 60% * [score: 0.4995] * 1.5 TR_Symld_Words too many words that have symbols inside * 0.0 T_TM2_M_HEADER_IN_MSG BODY: No description available. * -0.0 DCC_CHECK_NEGATIVE Not listed in DCC * [sa07 1397; Body=1 Fuz1=1 Fuz2=1] * 1.0 T_XMDrugObfuBody_08 obfuscated drug references X-Spam-DCC: XMission; sa07 1397; Body=1 Fuz1=1 Fuz2=1 X-Spam-Combo: **;Arnd Bergmann X-Spam-Relay-Country: X-Spam-Timing: total 269 ms - load_scoreonly_sql: 0.04 (0.0%), signal_user_changed: 3.1 (1.1%), b_tie_ro: 2.1 (0.8%), parse: 1.13 (0.4%), extract_message_metadata: 16 (6.0%), get_uri_detail_list: 1.01 (0.4%), tests_pri_-1000: 24 (9.0%), tests_pri_-950: 1.27 (0.5%), tests_pri_-900: 1.10 (0.4%), tests_pri_-90: 35 (13.0%), check_bayes: 33 (12.3%), b_tokenize: 11 (4.1%), b_tok_get_all: 8 (3.1%), b_comp_prob: 2.5 (0.9%), b_tok_touch_all: 7 (2.6%), b_finish: 0.73 (0.3%), tests_pri_0: 173 (64.3%), check_dkim_signature: 0.55 (0.2%), check_dkim_adsp: 2.3 (0.9%), poll_dns_idle: 0.64 (0.2%), tests_pri_10: 3.2 (1.2%), tests_pri_500: 8 (3.0%), rewrite_mail: 0.00 (0.0%) Subject: Re: [RFC][PATCH] sysctl: Remove the sysctl system call X-Spam-Flag: No X-SA-Exim-Version: 4.2.1 (built Thu, 05 May 2016 13:38:54 -0600) X-SA-Exim-Scanned: Yes (on in01.mta.xmission.com) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Arnd Bergmann writes: > On Wed, Oct 2, 2019 at 12:54 AM Eric W. Biederman wrote: >> arch/arm/configs/lpc32xx_defconfig:CONFIG_SYSCTL_SYSCALL=y >> arch/arm/configs/moxart_defconfig:CONFIG_SYSCTL_SYSCALL=y > > Ancient hardware, but still in active use. These tend to have very little > RAM, but they both enable CONFIG_PROC_FS. You actually have to enable CONFIG_PROC_FS to enable CONFIG_SYSCTL_SYSCALL at this point. CONFIG_SYSCTL_SYSCALL is just an emulation of the old interface built on top of /proc. Thank you for the feedback. Eric