[PATCH] clocksource: em_sti: Set cpu_possible_mask to fix SMP broadcast

Simon Horman horms at verge.net.au
Wed Sep 25 19:43:21 EDT 2013


On Wed, Sep 25, 2013 at 11:19:04PM +0200, Daniel Lezcano wrote:
> On 09/18/2013 10:01 PM, Simon Horman wrote:
> > From: Magnus Damm <damm at opensource.se>
> > 
> > Update the STI driver by setting cpu_possible_mask to make EMEV2
> > SMP work as expected together with the ARM broadcast timer.
> > 
> > This breakage was introduced by:
> > 
> > f7db706 ARM: 7674/1: smp: Avoid dummy clockevent being preferred over real hardware clock-event
> > 
> > Without this fix SMP operation is broken on EMEV2 since no
> > broadcast timer interrupts trigger on the secondary CPU cores.
> > 
> > Signed-off-by: Magnus Damm <damm at opensource.se>
> > Tested-by: Simon Horman <horms+renesas at verge.net.au>
> > Reviewed-by: Stephen Boyd <sboyd at codeaurora.org>
> > Signed-off-by: Simon Horman <horms+renesas at verge.net.au>
> > ---
> 
> Thanks ! Applied to my tree as 3.12 fix.

Thanks!



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