Re: [PATCH v7 07/10] arm64: define TIF_POLLING_NRFLAG
From: Ankur Arora
Date: Tue Sep 03 2024 - 17:14:59 EST
Will Deacon <will@xxxxxxxxxx> writes:
> On Fri, Aug 30, 2024 at 03:28:41PM -0700, Ankur Arora wrote:
>> From: Joao Martins <joao.m.martins@xxxxxxxxxx>
>>
>> Commit 842514849a61 ("arm64: Remove TIF_POLLING_NRFLAG") had removed
>> TIF_POLLING_NRFLAG because arm64 only supported non-polled idling via
>> cpu_do_idle().
>>
>> To add support for polling via cpuidle-haltpoll, we want to use the
>> standard poll_idle() interface, which sets TIF_POLLING_NRFLAG while
>> polling.
>>
>> Reuse the same bit to define TIF_POLLING_NRFLAG.
>>
>> Signed-off-by: Joao Martins <joao.m.martins@xxxxxxxxxx>
>> Signed-off-by: Mihai Carabas <mihai.carabas@xxxxxxxxxx>
>> Reviewed-by: Christoph Lameter <cl@xxxxxxxxx>
>> Signed-off-by: Ankur Arora <ankur.a.arora@xxxxxxxxxx>
>> ---
>> arch/arm64/include/asm/thread_info.h | 2 ++
>> 1 file changed, 2 insertions(+)
>
> Acked-by: Will Deacon <will@xxxxxxxxxx>
Thanks!
--
ankur