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

[David Holsgrove]

> -----Original Message-----
> From: David Miller [mailto:davem@davemloft.net]
> Sent: Wednesday, 26 March 2014 10:21 am
> To: joseph@codesourcery.com
> Cc: libc-alpha@sourceware.org; schwab@linux-m68k.org; David Holsgrove;
> aurel32@debian.org
> Subject: Re: Correct robust mutex / PI futex kernel assumptions (bug 9894)
> 
> From: "Joseph S. Myers" <joseph@codesourcery.com>
> Date: Tue, 25 Mar 2014 23:36:36 +0000
> 
> > On Tue, 25 Mar 2014, David Miller wrote:
> >
> >> 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__))
> >
> > Here's a third patch version.
> 
> Looks good to me.

Good for MicroBlaze too - thanks Joseph,

David