On Thu 2013-06-20 16:36:00, Vitalii Demianets wrote: > In a SMP case there was a race condition issue between > uio_pdrv_genirq_irqcontrol() running on one CPU and irq handler on another > CPU. Fix it by spin_locking shared resources access inside irq handler. > Also: > - Change disable_irq to disable_irq_nosync to avoid deadlock, because > disable_irq waits for the completion of the irq handler; > - Change atomic bit-manipulation routines to their non-atomic counterparts > as we already are guarding the code by spinlock. > > Signed-off-by: Vitalii Demianets <vi...@nppfactor.kiev.ua>
Sounds good. Reviewed-by: Pavel Machek <pa...@ucw.cz> -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
