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(parent: bac4405) | patch
x86/spec-ctrl: CPUID/MSR definitions for Microarchitectural Data Sampling
authorAndrew Cooper <andrew.cooper3@citrix.com>
Wed, 12 Sep 2018 13:36:00 +0000 (14:36 +0100)
committerAndrew Cooper <andrew.cooper3@citrix.com>
Tue, 14 May 2019 14:37:39 +0000 (15:37 +0100)
commitb09886e3c9a40c6339e08e10a30e902e87f7d2ac
treec9a9d9b8c3f6d9c64925cab12558a812c29babcdtree | snapshot
parentbac4405a907443f690995695c1589ec614b4a489commit | diff
x86/spec-ctrl: CPUID/MSR definitions for Microarchitectural Data Sampling

The MD_CLEAR feature can be automatically offered to guests.  No
infrastructure is needed in Xen to support the guest making use of it.

This is part of XSA-297, CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2019-11091.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
(cherry picked from commit d4f6116c080dc013cd1204c4d8ceb95e5f278689)
docs/misc/xen-command-line.markdown diff | blob | history
tools/libxl/libxl_cpuid.c diff | blob | history
tools/misc/xen-cpuid.c diff | blob | history
xen/arch/x86/cpuid.c diff | blob | history
xen/arch/x86/spec_ctrl.c diff | blob | history
xen/include/asm-x86/msr-index.h diff | blob | history
xen/include/public/arch-x86/cpufeatureset.h diff | blob | history
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