Re: [PATCH 1/4] tile: Add support for handling PMC hardware

From: Peter Zijlstra
Date: Thu Mar 06 2014 - 05:32:21 EST


On Thu, Mar 06, 2014 at 10:12:54AM +0000, Tony Lu wrote:
> >One thing I didn't spot is a tile irq_work implementation; perf likes to
> >have one.
>
> We do not have tile irq_work for now. It seems like perf works fine
> even without the arch irq_work. Anyway, we will investigate it, and
> submit it as a separate patch when it gets ready.

Yeah, it does work; I have a note somewhere there's a race without it,
but I lost the relevant details.

I should probably try and reconstruct and either fix or at least
comment :/
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/