Jeremy Fitzhardinge wrote: > Andi Kleen wrote: >>> (This was under Xen, but there's no reason it couldn't happen on bare >>> hardware.) >>> >> Hmm, does Xen perhaps not use interrupt stacks? > > Looks like that's all done in do_IRQ, so it should be independent of > whether its Xen or not. And the stack overflow check is performed on > the main stack, before switching to the interrupt stack. >
Yeah, the do_IRQ thing is misleading because it makes you think the interrupt caused an overflow when all it did was detect a near-overflow condition. (The number printed is the amount of space left.) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/