On Wed, Jun 14, 2017 at 11:26:58AM -0500, Janakarajan Natarajan wrote: > In Family 17h, the number of cores sharing a cache level is obtained > from the Cache Properties CPUID leaf (0x8000001d) by passing in the > cache level in ECX. In prior families, a cache level of 2 was used to > determine this information. > > To get the right information, irrespective of Family, iterate over > the cache levels using CPUID 0x8000001d. The last level cache is the > last value to return a non-zero value in EAX. > > Signed-off-by: Janakarajan Natarajan <[email protected]> > --- > arch/x86/events/amd/uncore.c | 19 ++++++++++++++++--- > 1 file changed, 16 insertions(+), 3 deletions(-)
Reviewed-by: Borislav Petkov <[email protected]> -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.
