Intel's response: https://www.streetinsider.com/Corporate+News/Intel+%28INTC%29+Responds+to+Security+Research+Findings/13648696.html
On Wed, Jan 3, 2018 at 12:57 PM, Joe Landman <joe.land...@gmail.com> wrote: > Looks like it will respond to a 'nopti' boot option (at least the patches > I've seen from 4-Dec) > > > > On 01/03/2018 12:57 PM, Ellis H. Wilson III wrote: > >> On 01/03/2018 12:47 PM, Lux, Jim (337K) wrote: >> >>> I suppose the down side is that if they do kernel mods to fix this >>> for the 99.9%, it adversely affects the performance for the 0.1% >>> (that is, us). >>> >> >> We've been discussing this extensively at my workplace, and the >> overwhelming expectation is that at least in Linux the fix should be >> configurable such that those operating in non-multitenant systems (such as >> scale-out storage appliances) can disable it. >> >> If this ends up not being the case, I would expect it in the short-term >> to lock us out of upgrading to newer kernels where the fix and resultant >> overheads come into play until we're on newer CPUs where the architecture >> deficiency is resolved. This latter part (the expectation of Intel fixing >> it in their newer HW) is all the more reason I'm inclined to believe the >> fix will be delivered as a tunable. >> >> Best, >> >> ellis >> >> > -- > Joe Landman > e: joe.land...@gmail.com > t: @hpcjoe > w: https://scalability.org > g: https://github.com/joelandman > l: https://www.linkedin.com/in/joelandman > > > _______________________________________________ > Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing > To change your subscription (digest mode or unsubscribe) visit > http://www.beowulf.org/mailman/listinfo/beowulf > -- Kevin Van Workum, PhD Sabalcore Computing Inc. --
_______________________________________________ Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
