4.9-stable patches

4.9-stable patches

added patches:
	documentation-spec_ctrl-do-some-minor-cleanups.patch
	kvm-svm-implement-virt_spec_ctrl-support-for-ssbd.patch
	kvm-svm-move-spec-control-call-after-restore-of-gs.patch
	nospec-allow-getting-setting-on-non-current-task.patch
	prctl-add-force-disable-speculation.patch
	prctl-add-speculation-control-prctls.patch
	proc-provide-details-on-speculation-flaw-mitigations.patch
	proc-use-underscores-for-ssbd-in-status.patch
	seccomp-add-filter-flag-to-opt-out-of-ssb-mitigation.patch
	seccomp-enable-speculation-flaw-mitigations.patch
	seccomp-move-speculation-migitation-control-to-arch-code.patch
	seccomp-use-pr_spec_force_disable.patch
	x86-bugs-amd-add-support-to-disable-rds-on-famh-if-requested.patch
	x86-bugs-concentrate-bug-detection-into-a-separate-function.patch
	x86-bugs-concentrate-bug-reporting-into-a-separate-function.patch
	x86-bugs-expose-sys-..-spec_store_bypass.patch
	x86-bugs-expose-x86_spec_ctrl_base-directly.patch
	x86-bugs-fix-__ssb_select_mitigation-return-type.patch
	x86-bugs-fix-the-parameters-alignment-and-missing-void.patch
	x86-bugs-intel-set-proper-cpu-features-and-setup-rds.patch
	x86-bugs-kvm-extend-speculation-control-for-virt_spec_ctrl.patch
	x86-bugs-kvm-support-the-combination-of-guest-and-host-ibrs.patch
	x86-bugs-make-boot-modes-__ro_after_init.patch
	x86-bugs-make-cpu_show_common-static.patch
	x86-bugs-provide-boot-parameters-for-the-spec_store_bypass_disable-mitigation.patch
	x86-bugs-read-spec_ctrl-msr-during-boot-and-re-use-reserved-bits.patch
	x86-bugs-remove-x86_spec_ctrl_set.patch
	x86-bugs-rename-_rds-to-_ssbd.patch
	x86-bugs-rename-ssbd_no-to-ssb_no.patch
	x86-bugs-rework-spec_ctrl-base-and-mask-logic.patch
	x86-bugs-unify-x86_spec_ctrl_-set_guest-restore_host.patch
	x86-bugs-whitelist-allowed-spec_ctrl-msr-values.patch
	x86-cpu-amd-fix-erratum-1076-cpb-bit.patch
	x86-cpu-make-alternative_msr_write-work-for-32-bit-code.patch
	x86-cpufeatures-add-feature_zen.patch
	x86-cpufeatures-add-x86_feature_rds.patch
	x86-cpufeatures-disentangle-msr_spec_ctrl-enumeration-from-ibrs.patch
	x86-cpufeatures-disentangle-ssbd-enumeration.patch
	x86-kvm-vmx-expose-spec_ctrl-bit-2-to-the-guest.patch
	x86-nospec-simplify-alternative_msr_write.patch
	x86-process-allow-runtime-control-of-speculative-store-bypass.patch
	x86-process-correct-and-optimize-tif_blockstep-switch.patch
	x86-process-optimize-tif-checks-in-__switch_to_xtra.patch
	x86-process-optimize-tif_notsc-switch.patch
	x86-speculation-add-prctl-for-speculative-store-bypass-mitigation.patch
	x86-speculation-add-virtualized-speculative-store-bypass-disable-support.patch
	x86-speculation-create-spec-ctrl.h-to-avoid-include-hell.patch
	x86-speculation-handle-ht-correctly-on-amd.patch
	x86-speculation-kvm-implement-support-for-virt_spec_ctrl-ls_cfg.patch
	x86-speculation-make-seccomp-the-default-mode-for-speculative-store-bypass.patch
	x86-speculation-rework-speculative_store_bypass_update.patch
	x86-speculation-use-synthetic-bits-for-ibrs-ibpb-stibp.patch