Messages in this thread |  | | Date | Mon, 8 Feb 2021 13:40:02 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH RESEND] perf/x86/kvm: Add Cascade Lake Xeon steppings to isolation_ucodes[] |
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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 <jmattson@google.com>
Thanks!
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