On Tue, Jun 21, 2011 at 05:37:31PM +0800, TAO HU wrote: > Hi, Russell > > Wouldn't it lead to oops with your patch?
The might_sleep() occurs because its trying to process the page fault. We shouldn't be trying to do that with IRQs disabled - instead, we should try to fix up the fault from kernel space by invoking the fixup for the ldrt instructions in __und_usr. This may throw the system into a loop against your process (which you should still be able to kill) which will suggest that there's dirty I-cache lines - we seem to be executing code in a non-present page (at 0xafd0ce5c). -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
