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Make sure no previously present features are missing after resume (and the re-loading of microcode), to avoid later crashes or (likely silent) hangs / live locks. This doesn't go beyond checking x86_capability[], but this should be good enough for the immediate need of making sure that the BIT mitigation MSRs are still available. Signed-off-by: Jan Beulich <jbeulich@suse.com> Acked-by: Andrew Cooper <andrew.cooper3@citrix.com> Release-acked-by: Juergen Gross <jgross@suse.com>