[PATCH 3/5] arm: use the spinlocked, generic atomic64 support
jamie at jamieiles.com
Tue Jan 5 14:08:05 EST 2010
On Tue, Jan 05, 2010 at 06:57:32PM +0000, Jamie Lokier wrote:
> Jamie Iles wrote:
> > perf events require that we can support atomic64's. There is a generic,
> > spinlocked version that we can use until we have proper hardware
> > support.
> Is that simply waiting for LDREXD/STREXD-based atomic64's, or is it
> depending on something subtler?
Yes, Will Deacon submitted a patch last month that does this but afaik it
hasn't been merged in yet.
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