From: Bernd Edlinger <bernd.edlin...@hotmail.de>
Date: Sat, 21 Oct 2017 06:51:30 +0000
> This is the possible reason for different hard to reproduce
> problems on my ARMv7-SMP test system.
>
> The symptoms are in recent kernels imprecise external aborts,
> and in older kernels various kinds of network stalls and
> unexpected page allocation failures.
>
> My testing indicates that the trouble started between v4.5 and v4.6
> and prevails up to v4.14.
>
> Using the dirty_tx before acquiring the spin lock is clearly
> wrong and was first introduced with v4.6.
>
> Fixes: e3ad57c96715 ("stmmac: review RX/TX ring management")
>
> Signed-off-by: Bernd Edlinger <bernd.edlin...@hotmail.de>
Applied, thank you.
