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| author | Sean Christopherson <seanjc@google.com> | 2025-09-19 15:32:43 -0700 |
|---|---|---|
| committer | Sean Christopherson <seanjc@google.com> | 2025-09-23 09:27:06 -0700 |
| commit | c5ba49458513bd1ecd669d4ec7124e788b19347c (patch) | |
| tree | 305461bef437fbbec5932e62a2602fa662948d54 /tools/docs/lib/parse_data_structs.py | |
| parent | 48b2ec0d540c29cebb5119dd2b8e8e7369bc409c (diff) | |
KVM: nSVM: Save/load CET Shadow Stack state to/from vmcb12/vmcb02
Transfer the three CET Shadow Stack VMCB fields (S_CET, ISST_ADDR, and
SSP) on VMRUN, #VMEXIT, and loading nested state (saving nested state
simply copies the entire save area). SVM doesn't provide a way to
disallow L1 from enabling Shadow Stacks for L2, i.e. KVM *must* provide
nested support before advertising SHSTK to userspace.
Link: https://lore.kernel.org/r/20250919223258.1604852-37-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Diffstat (limited to 'tools/docs/lib/parse_data_structs.py')
0 files changed, 0 insertions, 0 deletions