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SubjectRe: [PATCH] ARM: Support arch_irq_work_raise() via self IPIs
Date
Stephen Boyd <sboyd@codeaurora.org> writes:

> On 10/28, Kevin Hilman wrote:
>> Stephen Boyd <sboyd@codeaurora.org> writes:
>>
>> > This will allow the scheduler tick to be restarted if we're in
>> > full NOHZ mode.
>> >
>> > Cc: Kevin Hilman <khilman@linaro.org>
>> > Cc: Frederic Weisbecker <fweisbec@gmail.com>
>> > Signed-off-by: Stephen Boyd <sboyd@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@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


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