Messages in this thread | | | Date | Thu, 16 May 2013 23:34:20 +0200 | From | Borislav Petkov <> | Subject | Re: Drop WARN on AMD lack of perfctrs |
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On Thu, May 16, 2013 at 10:55:58PM +0200, Robert Richter wrote: > iirc the reason was the different msr range that is switched on fam15h > with a different counter to counter msr offset of 2 instead of 1. The > code relies on the assumption that the msrs exist on that cpu. Thus > the warning if not. Also note that code may have changed in 3.10 in > that area.
Stupid question: why is check_hw_exists() *after* the vendor-specific counter detection code in init_hw_perf_events() even though it is supposed to check whether hardware is emulated?
-- Regards/Gruss, Boris.
Sent from a fat crate under my desk. Formatting is fine. --
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