Re: [PATCH 2/2] sysctl: remove sysctl syscall

[Cong Wang]

On 10/19/10 23:05, Andi Kleen wrote:
> On 10/19/2010 4:10 PM, Andreas Schwab wrote:
> > > On 10/19/2010 10:22 AM, Amerigo Wang wrote:
> > > > Remove the obsolete sysctl syscall. It was scheduled
> > > > to be removed in Sept.
> > >
> > > I thought at least older glibc was still using it? Did anyone check
> > > what happens if it sees no sysctl(2)?
> > It will fall back reading from /proc/sys.
>
> First that's slow (but ok), but that will fail if there is no /proc.

I strongly doubt glibc will work if there is no /proc,
a quick grep shows lots of "/proc" strings in glibc code.
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