From mboxrd@z Thu Jan 1 00:00:00 1970 From: ebiederm@xmission.com (Eric W. Biederman) Subject: Re: [RFC][PATCH] sysctl: Remove the sysctl system call Date: Wed, 02 Oct 2019 09:49:48 -0500 Message-ID: <87v9t7gq2b.fsf@x220.int.ebiederm.org> References: <8736gcjosv.fsf@x220.int.ebiederm.org> <201910011140.EA0181F13@keescook> <87imp8hyc8.fsf@x220.int.ebiederm.org> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: (Arnd Bergmann's message of "Wed, 2 Oct 2019 09:31:01 +0200") Sender: linux-kernel-owner@vger.kernel.org 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 List-Id: linux-api@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