Correct robust mutex / PI futex kernel assumptions (bug 9894)

[David Miller]

From: "Joseph S. Myers" <joseph@codesourcery.com>
Date: Tue, 25 Mar 2014 23:20:00 +0000

> On Tue, 25 Mar 2014, David Miller wrote:
> 
>> Actually, it turns out you can simply test for the CPP macro __sparc_v9__
> 
> In that case, here is a revised patch using __sparc_v9__ in place of 
> __arch64__.

It only get's set for 32-bit v9, you'll need to keep the
(__sparc__ && __arch64__) in an "||" conditional branch.

Something like (__sparc__ && (__arch64__ || __sparc_v9__))