On Fri, 27 Feb 2015 13:32:55 +0100 Valentin Rothberg <valentin.rothb...@lip6.fr> wrote:
> The IRQF_DISABLED is a NOOP and scheduled to be removed. According to > Ingo Molnar (e58aa3d2d0cc01ad8d6f7f640a0670433f794922) running IRQ > handlers with interrupts enabled can cause stack overflows when the > interrupt line of the issuing device is still active. > I suggest you prepare a patch which removes IRQF_DISABLED entirely. Several drivers still use it and it is possible that they have been buggy for some time, so we should be careful to cc the relevant maintainers (they probably don't exist) so they can check out what's going on in their code. -- 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/