Re: [Gc] Re: SMP ARM issue

Ivan Maidanski ivmai at
Sat Apr 9 02:05:22 PDT 2011


GC v7+ uses AO_store_release for unlocking, so the problem, as Zoltan said, does not apply to.


Fri, 8 Apr 2011 22:49:26 +0200 Zoltan Varga <vargaz at>:

 I think the problem no longer applies to the current GC sources, only to older versions (6.4 etc).

On Fri, Apr 8, 2011 at 7:00 PM, Rodrigo Kumpera <kumpera at> wrote:
A colleague of mine recently tracked a SMP related bug on ARM. The issue is that gc_locks.h doesn't define GC_clearand arm requires proper fencing.
Here's the patch he applied: ( 

Cheers,Rodrigo Kumpera
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