On Wed, Apr 30, 2014 at 06:17:48AM +0000, Wang, Xiaoming wrote: > Dear Peter > If we wait the end of loop as loops_per_jiffy. > It may last more than 130s and local IRQ disabled at interval > which may cause Hard LOCKUP. We break out in 1 second and > dump the stack for debug.
Yeah, so? That makes shoddy engineering alright then? So either fix the loops_per_jiffy thing, it is supposed to wait for 1 second after all, or explain why its broken and entirely replace it. What you do not do is make a loop with 2 differently broken timeouts and hope one works. -- 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/