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

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Date:	Tue, 28 Aug 2007 19:56:28 -0600
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	"H. Peter Anvin" <hpa@...or.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.

"H. Peter Anvin" <hpa@...or.com> writes:

> 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.)

Yes.  But (a) It doesn't affect correctness what answer it gets back.
          (b) It should be using uname.

Or are you thinking about something besides the pthreads usage?

Eric
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