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Re: [PATCH] mac80211: defer tailroom counter manipulation when roaming

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On Thu, 2013-02-28 at 23:19 +0100, Johannes Berg wrote:
> From: Johannes Berg <johannes.berg@xxxxxxxxx>
> 
> During roaming, the crypto_tx_tailroom_needed_cnt counter
> will often take values 2,1,0,1,2 because first keys are
> removed and then new keys are added. This is inefficient
> because during the 0->1 transition, synchronize_net must
> be called to avoid packet races, although typically no
> packets would be flowing during that time.

[...]

applied.

johannes

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