On Tue, 3 Feb 2004, Ralf Baechle wrote: > > Perhaps it wasn't really tested. Have you ever run the code on a PC > > variant? Has anyone else? > > Yes, it has. Olivetti M700-10, around 2.2 or so. The code used at that > time in arch/mips/mm/r4xx0.c was not much different from what pg-r4k.c is > generating now that is it violates this hazard. OK then. > > I suppose so -- without the "mips-pg-r4k-scache" patch my system is very > > unstable and the difference is essentially that in addition to > > Create_Dirty_Excl_SD there are additional Create_Dirty_Excl_D ones, that, > > apart from being a performance hit, shouldn't have any effect. I have to > > investigate it further yet. > > Interesting, I was expecting somewhat better performance from the > combination of both. Anyway, what is now in CVS is tested on R4400SC V4.0. After rereading the description I agree with you, so I am going to get at the code again soon. -- + Maciej W. Rozycki, Technical University of Gdansk, Poland + +--------------------------------------------------------------+ + e-mail: macro@ds2.pg.gda.pl, PGP key available +
