On 05/15/2014 02:20 PM, H. Peter Anvin wrote: > I'm trying to wrap my head around any forward compatibility > concerns... if we misidentify a fault as spurious that would be bad.
FWIW, I did go through the bullets in the SDM's "4.10.4.3 Optional Invalidation". The only condition not covered by this patch is the one that talks about "CR4.SMEP = 0...". But, I don't know of any case where we take a userspace page and make it supervisor-only, so I don't think this is possible now. -- 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/