linux-kernel - Re: [PATCH 10/10] perf_counter: powerpc: clean up perc_counter

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Date:	Fri, 20 Mar 2009 09:17:23 +1100
From:	Paul Mackerras <paulus@...ba.org>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	mingo@...e.hu, rostedt@...dmis.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 10/10] perf_counter: powerpc: clean up perc_counter_interrupt

Peter Zijlstra writes:

> From: Paul Mackerras <paulus@...ba.org>
> 
> > Nice cleanup, and thanks for updating powerpc too.  With this, I think
> > we'll need to update the powerpc perf_counter_interrupt a bit: we
> > might as well use get_perf_counter_pending() instead of the wakeup
> > variable now.  I'll send an extra patch once I have done some testing.
> 
> This seems to work OK.
> 
> Signed-off-by: Paul Mackerras <paulus@...ba.org>
> Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>

Let's have a better patch description (my fault for not providing a
decent one in the first place):

perf_counter: powerpc: clean up perf_counter_interrupt

From: Paul Mackerras <paulus@...ba.org>

This updates the powerpc perf_counter_interrupt following on from the
"perf_counter: unify irq output code" patch.  Since we now use the
generic perf_counter_output code, which sets the perf_counter_pending
flag directly, we no longer need the need_wakeup variable.  This
removes need_wakeup and makes perf_counter_interrupt use
get_perf_counter_pending() instead.

Signed-off-by: Paul Mackerras <paulus@...ba.org>
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