On Tue, 24 Apr 2012 21:48:47 +0100 Chris Wilson <chris at chris-wilson.co.uk> wrote: > We were attempting to use a per-ring spinlock whilst modifying global > IRQ flags. A recipe for rare missed interrupts. > > Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk> Regardless of whether or not this currently fixes anything, I need this for an upcoming patch. Acked-by: Ben Widawsky <ben at bwidawsk.net>