On Sun, 2006-03-19 at 13:00 -0800, David S. Miller wrote: > You have physically indexed caches, thus cache coherency transactions > should purge all cache lines with that same physical TAG.
No, we have virtually indexed but physically tagged caches; this is why we have the problem (we have to select one of the aliases to flush). > Direct I/O is another problematic case. OK, I confess to not ever having looked at that ... does it use get_user_pages() as well? James - To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
