On Fri, Feb 05, 2021 at 11:13:24AM -0800, Jim Mattson wrote: > Cascade Lake Xeon parts have the same model number as Skylake Xeon > parts, so they are tagged with the intel_pebs_isolation > quirk. However, as with Skylake Xeon H0 stepping parts, the PEBS > isolation issue is fixed in all microcode versions. > > Add the Cascade Lake Xeon steppings (5, 6, and 7) to the > isolation_ucodes[] table so that these parts benefit from Andi's > optimization in commit 9b545c04abd4f ("perf/x86/kvm: Avoid unnecessary > work in guest filtering"). > > Signed-off-by: Jim Mattson <jmatt...@google.com>
Thanks!