On Thu, 27 Mar 2008, Andi Kleen wrote: > It would be quite possible to make the cycle conditional on a > cpufeatures.h quirk flag that is only set on P5. Just would need to > out of line a few functions to avoid code bloat.
Exactly what I suggested at the LKML -- you could even go down to a list of steppings affected as an RMW cycle is unnecessarily expensive (we only need interrupt atomicity, but there is no way to disable the LOCK# implication of "xchg"). Maciej ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://ad.doubleclick.net/clk;164216239;13503038;w?http://sf.net/marketplace _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
