From mboxrd@z Thu Jan  1 00:00:00 1970
From: "H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH 15/21] powerpc: Use generic posix_types.h
Date: Thu, 16 Feb 2012 12:58:14 -0800
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To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: David Howells <dhowells@redhat.com>, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, Linus Torvalds <torvalds@linux-foundation.org>, Paul Mackerras <paulus@samba.org>

On 02/16/2012 12:26 PM, Benjamin Herrenschmidt wrote:
> On Thu, 2012-02-16 at 13:44 +0000, David Howells wrote:
>> PowerPC exports __FD_SET() and co. to userspace under some circumstances,
>> therefore this patch potentially breaks the userspace ABI.  Is this okay, Ben?
>
> I don't know why we would need that in userspace, unless some tools I
> don't know about exploit them (hint: there shouldn't be)
>
> I'm happy to remove them and see if anybody complains.
>

I think they are cut-and-paste from the old libc5-enabled i386.  Note 
that __GNUC__ disables it.

	-hpa