On 08/19/2018 12:13 PM, Pu Wen wrote: > To make Xen works functionly on Hygon platforms, reuse AMD's Xen support > code path for Hygon. > > There are six core performance events counters per thread, so there are > six MSRs for these counters(0-5). Also there are four legacy PMC MSRs, > they are alias of the counters(0-3). > > In this version of kernel Hygon use the lagacy and safe versions of MSR > access. It works fine when VPMU enabled in Xen on Hygon platforms by > testing with perf. > > Signed-off-by: Pu Wen <puwen@xxxxxxxx> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
