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[PATCH v2 0/2] x86/spec-ctrl: Minor fixes
- To: Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- Date: Wed, 29 Jun 2022 19:45:06 +0100
- Authentication-results: esa1.hc3370-68.iphmx.com; dkim=none (message not signed) header.i=none
- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Jan Beulich <JBeulich@xxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>
- Delivery-date: Wed, 29 Jun 2022 18:45:52 +0000
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- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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(-)
--
2.11.0
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