[v2,0/2] x86/spec-ctrl: Minor fixes

Message

Andrew Cooper June 29, 2022, 6:45 p.m. UTC

Patch 2 has been posted before, but ages ago and has been rebased over
subseqent XSAs.  Patch 1 is new.

Andrew Cooper (2):
  x86/spec-ctrl: Only adjust MSR_SPEC_CTRL for idle with legacy IBRS
  x86/spec-ctrl: Knobs for STIBP and PSFD, and follow hardware STIBP hint

 docs/misc/xen-command-line.pandoc      | 21 +++++++---
 xen/arch/x86/hvm/svm/vmcb.c            |  9 ++++
 xen/arch/x86/include/asm/cpufeatures.h |  2 +-
 xen/arch/x86/include/asm/spec_ctrl.h   |  5 ++-
 xen/arch/x86/spec_ctrl.c               | 75 +++++++++++++++++++++++++++++-----
 5 files changed, 93 insertions(+), 19 deletions(-)