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Re: [PATCH 2/2] mac80211: Fixing Races for skipping tailroom reservation

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> Using spinlocks in TX/RX path is not allowed because spinlocks will make
> TX/RX path to block and its illegal to block while in an RCU read-side
> critical section. I think, I got the joke here :(.

No, that'd be allowed, but you can't spinlock all the TX path because of performance.

I think the way to solve it would be to use synchronize_net() somehow maybe; not really sure.

Johannes

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