Re: [PATCH] sysctl: Deprecate sys_sysctl in a user space visible fashion.

[Christoph Hellwig]

On Tue, Aug 28, 2007 at 04:40:15PM -0600, Eric W. Biederman wrote:
> +When:	September 2010
> +Option: CONFIG_SYSCTL_SYSCALL
> +Why:	The same information is available in a more convenient from
> +	/proc/sys, and none of the sysctl variables appear to be
> +	important performance wise.
> +
> +	Binary sysctls are a long standing source of subtle kernel
> +	bugs and security issues.
> +
> +	When I looked several months ago all I could find after
> +	searching several distributions were 5 user space programs and
> +	glibc (which falls back to /proc/sys) using this syscall.

Umm, no way we're ever going to remove a syscall like this.  Please
stop this deprecration crap.  Just make sure no ones adds more binary
sysctls.

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