On Tue, Apr 08, 2014 at 09:43:54PM +0000, Brown, Len wrote: > #1: skip flush for C1 > #2: skip flush for C1 and C1E One stray thought I had: IFF the erratum is due to the cache flushing of the higher C states, these two patches should still be correct while also (possibly) avoiding the performance penalty, since C1* doesn't flush caches yet. Of course, I've no clue if this is indeed the root cause of this particular erratum and I'm not sure you guys are allowed to say even if you would know :/ -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html