On Thu, 2015-03-12 at 12:09 +0100, Ingo Molnar wrote: > * Ross Zwisler <[email protected]> wrote: > > > The current algorithm used in clflush_cache_range() can cause the last > > cache line of the buffer to be flushed twice. > > > > Fix that algorithm so that each cache line will only be flushed once, > > and remove arithmetic on void pointers. Void pointer arithmetic is > > allowed by GCC extensions, but isn't part of the base C standards. > > The optimization itself is fine, but that last argument is bogus: the > Linux kernel very much relies on 'void *' arithmetics in a gazillion > places.
Okay. Are you happy with the patch as is or would you like me to resubmit with that bit omitted from the change log? - Ross -- 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/
