On Thu, Jul 04, 2013 at 04:00:57PM +0200, Peter Zijlstra wrote: > On Thu, Jul 04, 2013 at 03:44:57PM +0200, Andi Kleen wrote: > > Evidently it's not read-only on Haswell at least. > > It would be ever so good if you could at least test run such patches against > semi-current chips, not only the very latest.
So we tested some systems (old and new Atom, Westmere, Nehalem, *Bridge) and they all have writable TOS. Also I double checked the SDM and it actually documents these MSRs as R/W in Chapter 35 So relying on this is ok. -Andi -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
