* Gautham R. Shenoy <e...@linux.vnet.ibm.com> [2020-12-10 16:08:58]: > From: "Gautham R. Shenoy" <e...@linux.vnet.ibm.com> > > On POWER systems, groups of threads within a core sharing the L2-cache > can be indicated by the "ibm,thread-groups" property array with the > identifier "2". > > This patch adds support for detecting this, and when present, populate > the populating the cpu_l2_cache_mask of every CPU to the core-siblings > which share L2 with the CPU as specified in the by the > "ibm,thread-groups" property array. > > On a platform with the following "ibm,thread-group" configuration > 00000001 00000002 00000004 00000000 > 00000002 00000004 00000006 00000001 > 00000003 00000005 00000007 00000002 > 00000002 00000004 00000000 00000002 > 00000004 00000006 00000001 00000003 > 00000005 00000007 >
Looks good to me. Reviewed-by: Srikar Dronamraju <sri...@linux.vnet.ibm.com> -- Thanks and Regards Srikar Dronamraju
