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KVM: TDX: Disable support for TSX and WAITPKG
authorAdrian Hunter <adrian.hunter@intel.com>
Wed, 29 Jan 2025 09:58:59 +0000 (11:58 +0200)
committerPaolo Bonzini <pbonzini@redhat.com>
Fri, 14 Mar 2025 18:20:54 +0000 (14:20 -0400)
commit6d415778f1069b52344f7cb09ae7b623579486c9
tree7c665622faf4c02e2643e11640ac28c1567ca1fctree
parente0b4f31a3c65af66ad39bf686ce5602e49c905aecommit | diff
KVM: TDX: Disable support for TSX and WAITPKG

Support for restoring IA32_TSX_CTRL MSR and IA32_UMWAIT_CONTROL MSR is not
yet implemented, so disable support for TSX and WAITPKG for now.  Clear the
associated CPUID bits returned by KVM_TDX_CAPABILITIES, and return an error
if those bits are set in KVM_TDX_INIT_VM.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Message-ID: <20250129095902.16391-11-adrian.hunter@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/kvm/vmx/tdx.c diff | blob | history
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