Re: [RFC][PATCH] sysctl: Remove the sysctl system call

From: Eric W. Biederman
Date: Wed Oct 02 2019 - 10:50:32 EST


Arnd Bergmann <arnd@xxxxxxxx> writes:

> On Wed, Oct 2, 2019 at 12:54 AM Eric W. Biederman <ebiederm@xxxxxxxxxxxx> 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