On Fri, Jul 29, 2005 at 04:23:33PM -0700, Chen, Kenneth W wrote: > > Because exception handler use to work at instruction bundle granularity. > The first EX would automatically catch the 2nd ld8 or st8, with a caveat > that this code is assuming gcc 2.x tool chain. With moving to gcc 3.x > assembler where it understand local tag support, the exception handler > works at instruction granularity and then all the sudden, it falls flat > on its face.
Ah right. > Are you sure you want to use this code? It's for first incarnation of > Itanium. The kernel has an optimized version of copy_user for Itanium2. > See memcpy_mck.S Aha, thank you! That explains why I can't trigger that bug in Linux on Itanium 2. I'll make Xen use the memcpy_mck.S version. Matt - To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
