Messages in this thread | | | Date | Mon, 7 Nov 2016 10:20:31 +0100 | From | Borislav Petkov <> | Subject | Re: [PATCH v3 1/2] x86/AMD: Fix cpu_llc_id for AMD Fam17h systems |
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On Mon, Nov 07, 2016 at 08:31:21AM +0100, Ingo Molnar wrote: > > cpu_llc_id (Last Level Cache ID) derivation on AMD Fam17h has an > > underflow bug when extracting the socket_id value. It starts from 0
How's this...
> > so subtracting 1 from it will result in an invalid value. This breaks > > scheduling topology later on since the cpu_llc_id will be incorrect. ^^^^^^^^^^^^^^^^^^^ ... here?
> Same question as for the previous patch: what are the effects of the bug:
See above.
-- Regards/Gruss, Boris.
SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg) --
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