On Fri, 2005-03-04 at 04:19 +1100, Nick Piggin wrote: > You don't want to do that for all architectures, as I said earlier. > eg. i386 can concurrently set the dirty bit with the MMU (which won't > honour the lock). > > So you then need an atomic lock, atomic pte operations, and atomic > unlock where previously you had only the atomic pte operation. This is > disastrous for performance.
Of course, but I was answering to David about sparc64 which uses software TLB load :) Ben. - 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/