Hi, On Mon, 4 Apr 2011, Aldy Hernandez wrote:
> > > > (5) Do we agree that all such cpus use a byte-granular modification mask? > > > Now, as of (0) I might agree to disregard the original Alpha, but as the > > embedded world moves to SMP I'm not sure we can disregard > > non-cache coherent NUMA setups or even CPUs without a byte store. > > As per 5, it doesn't matter if the CPU lacks a byte store, since the > cache has a byte-granular modification mask. If it doesn't have byte stores there's no need for byte-granular modification masks :) Ciao, Michael.
