From: Johannes Berg <johannes@sipsolutions.net>
To: Bob Copeland <me@bobcopeland.com>
Cc: Sven Eckelmann <sven@narfation.org>,
linux-wireless@vger.kernel.org, Felix Fietkau <nbd@openwrt.org>,
Sven Eckelmann <sven@open-mesh.com>,
Arik Nemtsov <arik@wizery.com>,
liad.kaufman@intel.com
Subject: Re: [RFC v3] mac80211: lock rate control
Date: Tue, 14 Apr 2015 09:54:19 +0200 [thread overview]
Message-ID: <1428998059.3019.1.camel@sipsolutions.net> (raw)
In-Reply-To: <20150413212628.GA7869@localhost> (sfid-20150413_232633_258914_B093F402)
On Mon, 2015-04-13 at 17:26 -0400, Bob Copeland wrote:
> mac80211: introduce plink lock for plink fields
>
> The mesh plink code uses sta->lock to serialize access to the
> plink state fields between the peer link state machine and the
> peer link timer. Some paths (e.g. those involving
> mps_qos_null_tx()) unfortunately hold this spinlock across
> frame tx, which is soon to be disallowed. Add a new spinlock
> just for plink access.
>
> Signed-off-by: Bob Copeland <me@bobcopeland.com>
Thank you!
I've applied both this and the rate control locking patch.
We may later want to pick that up for stable perhaps, but let's let it
bake a little longer, it's pretty big.
johannes
prev parent reply other threads:[~2015-04-14 7:54 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-11 8:14 [RFC v3] mac80211: lock rate control Sven Eckelmann
2015-03-11 8:22 ` Sven Eckelmann
2015-03-12 18:37 ` Johannes Berg
2015-04-13 21:26 ` Bob Copeland
2015-04-14 7:54 ` Johannes Berg [this message]
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