Messages in this thread | | | Subject | Re: [PATCH] mac80211: fix possible deadlock in TX path | From | Erik Stromdahl <> | Date | Wed, 1 May 2019 13:06:47 +0200 |
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On 4/30/19 9:49 AM, Toke Høiland-Jørgensen wrote: > Erik Stromdahl <erik.stromdahl@gmail.com> writes: > >> This patch fixes a possible deadlock when updating the TX statistics >> (when calling into ieee80211_tx_stats()) from ieee80211_tx_dequeue(). > > So is this the fix for the issue with TX scheduling you reported > earlier? :) >
Actually not. I thought so initially, but then, after a few more test runs, I was able to run into the issue again.
But it does seem to fix the other issue with the RCU stall since I haven't seen it with this patch applied (could be just a coincidence though).
-- Erik
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