linux-kernel - Re: [PATCH] ARM: Support arch_irq_work

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Date:	Fri, 8 Nov 2013 16:07:06 -0800
From:	Olof Johansson <olof@...om.net>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
Cc:	Stephen Boyd <sboyd@...eaurora.org>,
	Kevin Hilman <khilman@...aro.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>
Subject: Re: [PATCH] ARM: Support arch_irq_work_raise() via self IPIs

On Fri, Nov 8, 2013 at 4:01 PM, Russell King - ARM Linux
<linux@....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@...eaurora.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@...om.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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