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

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Date:	Tue, 28 Aug 2007 18:31:45 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
CC:	Christoph Hellwig <hch@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] sysctl: Deprecate sys_sysctl in a user space visible
 fashion.

Eric W. Biederman wrote:
> Christoph Hellwig <hch@...radead.org> writes:
> 
>> Umm, no way we're ever going to remove a syscall like this.  
> 
> If someone besides me cares about more then rhetoric I will be happy
> to reconsider and several years is plenty of time to find that out.
> 
> I aborted the removal last time precisely because we had not done an
> adequate job of warning our users.  A printk when we run a program
> that uses the binary interface and an long enough interval the warning
> makes it to the Enterprise kernels before we remove the interface
> should be sufficient.
> 

glibc uses it, and it uses it in contexts where access to the filesystem 
isn't functional (e.g. in chroot.)

	-hpa
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