> Linux doesn't ever run the cpu in the RMO memory model any more. All > sparc64 chips run only in TSO now. > > All of the Niagara chips implement an even stricter than TSO memory > model, and the membars we used to have all over the kernel to handle > that properly were just wasted I-cache space. So I just moved > unilaterally to TSO everywhere and killed off the membars necessitated > by RMO.
OK, thanks for the clarification. That's also fine from GCC's viewpoint. -- Eric Botcazou
