Branch: refs/heads/master
Home: https://github.com/tianocore/edk2
Commit: 62044aa99bcf0a7b1581b24ad8e8f105e48fa15a
https://github.com/tianocore/edk2/commit/62044aa99bcf0a7b1581b24ad8e8f105e48fa15a
Author: Peter Gonda <[email protected]>
Date: 2022-06-01 (Wed, 01 Jun 2022)
Changed paths:
M OvmfPkg/ResetVector/Ia32/AmdSev.asm
Log Message:
-----------
OvmfPkg/ResetVector: Removing SEV-ES CPUID bit check
The SEV-ES bit of Fn800-001F[EAX] - Bit 3 is used for a host to
determine support for running SEV-ES guests. It should not be checked by
a guest to determine if it is running under SEV-ES. The guest should use
the SEV_STATUS MSR Bit 1 to determine if SEV-ES is enabled. This check
was not part of the original SEV-ES support and was added in
a91b700e38. Removing the check makes this code consistent with the
Linux kernel
Fixes: a91b700e38 ("Ovmf/ResetVector: Simplify and consolidate the SEV features
checks")
Signed-off-by: Peter Gonda <[email protected]>
Acked-by: Tom Lendacky <[email protected]>
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