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| author | Michael Roth <[email protected]> | 2022-03-07 15:33:49 -0600 |
|---|---|---|
| committer | Borislav Petkov <[email protected]> | 2022-04-07 16:47:12 +0200 |
| commit | 30612045e69d088f1effd748048ebb0e282984ec (patch) | |
| tree | c1850648503433661069afacecf19a747adbad4b /tools/perf/scripts/python/syscall-counts-by-pid.py | |
| parent | b190a043c49af4587f5e157053f909192820522a (diff) | |
x86/sev: Use firmware-validated CPUID for SEV-SNP guests
SEV-SNP guests will be provided the location of special 'secrets' and
'CPUID' pages via the Confidential Computing blob. This blob is
provided to the run-time kernel either through a boot_params field that
was initialized by the boot/compressed kernel, or via a setup_data
structure as defined by the Linux Boot Protocol.
Locate the Confidential Computing blob from these sources and, if found,
use the provided CPUID page/table address to create a copy that the
run-time kernel will use when servicing CPUID instructions via a #VC
handler.
Signed-off-by: Michael Roth <[email protected]>
Signed-off-by: Brijesh Singh <[email protected]>
Signed-off-by: Borislav Petkov <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts-by-pid.py')
0 files changed, 0 insertions, 0 deletions