From: "Toke Høiland-Jørgensen" <toke@redhat.com>
To: Felix Fietkau <nbd@nbd.name>, linux-wireless@vger.kernel.org
Cc: johannes@sipsolutions.net
Subject: Re: [PATCH] mac80211: use coarse boottime for airtime fairness code
Date: Fri, 17 Dec 2021 13:22:53 +0100 [thread overview]
Message-ID: <87y24jbeua.fsf@toke.dk> (raw)
In-Reply-To: <20211217114258.14619-1-nbd@nbd.name>
Felix Fietkau <nbd@nbd.name> writes:
> The time values used by the airtime fairness code only need to be accurate
> enough to cover station activity detection.
> Using ktime_get_coarse_boottime_ns instead of ktime_get_boottime_ns will
> drop the accuracy down to jiffies intervals, but at the same time saves
> a lot of CPU cycles in a hot path
>
> Signed-off-by: Felix Fietkau <nbd@nbd.name>
Makes sense for the activity detection stuff!
Acked-by: Toke Høiland-Jørgensen <toke@redhat.com>
prev parent reply other threads:[~2021-12-17 12:22 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-17 11:42 [PATCH] mac80211: use coarse boottime for airtime fairness code Felix Fietkau
2021-12-17 12:22 ` Toke Høiland-Jørgensen [this message]
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