On Tue, 2007-11-20 at 06:09 +0100, Nick Piggin wrote: > This isn't a bugfix, but may help performance slightly... > > -- > powerpc 64-bit hash pte lock bit is an actual lock, so it can take advantage > of lock bitops for slightly more optimal memory barriers (can avoid an lwsync > in the trylock). > > Signed-off-by: Nick Piggin <[EMAIL PROTECTED]> > Acked-by: Benjamin Herrenschmidt <[EMAIL PROTECTED]> > ---
Looks nice, I'll try it out on a G5 and let you know. Cheers, Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
