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Date:   Wed, 9 Apr 2014 15:32:29 +0200
From:   Thomas Bogendoerfer <tsbogend@alpha.franken.de>
To:     Florian Lohoff <f@zz.de>
Cc:     Fengguang Wu <fengguang.wu@intel.com>,
        Michal Marek <mmarek@suse.cz>, kbuild-all@01.org,
        "linux-mips@linux-mips.org" <linux-mips@linux-mips.org>
Subject: Re: arch/mips/sgi-ip22/Platform:29: *** gcc doesn't support needed
 option -mr10k-cache-barrier=store.  Stop.
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On Wed, Apr 09, 2014 at 10:24:45AM +0200, Florian Lohoff wrote:
> Most likely they never made it into gcc upstream but they are
> necessary working around the r10k speculative stores on non
> cache coherent machines like the IP28.

IMHO the patch went upstream judging from the incremental patches
here http://gcc.gnu.org/ml/gcc-patches/2012-12/msg01371.html.

Iirc it went into 4.4.0.

Thomas

-- 
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea.                                                [ RFC1925, 2.3 ]