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

[Kevin Hilman]

Stephen Boyd <sboyd at codeaurora.org> writes:

> On 10/28, Kevin Hilman wrote:
>> Stephen Boyd <sboyd at codeaurora.org> writes:
>> 
>> > This will allow the scheduler tick to be restarted if we're in
>> > full NOHZ mode.
>> >
>> > Cc: Kevin Hilman <khilman at linaro.org>
>> > Cc: Frederic Weisbecker <fweisbec at gmail.com>
>> > Signed-off-by: Stephen Boyd <sboyd at codeaurora.org>
>> 
>> Minor nit, but I'd prefer a more verbose changelog (I forget things
>> quickly and like to rely on changelogs for my memory.)  Probably worth
>> adding something like: "By default, irq_work is tied to the tick
>> processing (update_process_times()) but in full NOHZ mode, no tick means
>> no IRQ work.  In order for IRQ work to be done in full NOHZ mode, a
>> self-IPI is used to process IRQ work."
>> 
>> Other than the changelog nit, patch looks good, feel free to add
>> 
>> Reviewed-by: Kevin Hilman <khilman at linaro.org>
>> 
>> If Russell is OK with this, it can go to his patch system.
>> 
>
> Fair enough. This is what I came up with. I'll send it off to the
> patch tracker in about 12 hours if nobody else has anymore
> comments.

Nice description, thanks for the respin.

Kevin