[PATCH] ARM: Support arch_irq_work_raise() via self IPIs

Olof Johansson olof at lixom.net
Fri Nov 8 19:07:06 EST 2013


On Fri, Nov 8, 2013 at 4:01 PM, Russell King - ARM Linux
<linux at arm.linux.org.uk> wrote:
> On Fri, Nov 08, 2013 at 03:39:13PM -0800, Stephen Boyd wrote:
>> On 11/08/13 15:35, Olof Johansson wrote:
>> > On Fri, Nov 8, 2013 at 1:53 PM, Stephen Boyd <sboyd at codeaurora.org> wrote:
>> >>
>> >> Ah yes. We don't have IPI support on UP kernels but SMP_ON_UP exposes
>> >> arch_irq_work_raise(). How about this? We should just skip this function
>> >> if we're running on UP.
>> > Yep.
>> >
>> > Tested-by: Olof Johansson <olof at lixom.net>
>> >
>> > Send it to Russell's tracker, plz.
>> >
>>
>> Thanks. 7887/1.
>
> It's probably going to miss Stephen's pull from my tree this evening (if
> he even does one) so... that gives me two options: either drop the original
> commit or apply this.

It's Saturday for Stephen, so he won't do another one until Sunday
night our time.

> I think I'll apply this and put it in place just after the original commit
> which caused the breakage.

Thanks, sounds good to me.


-Olof



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