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Upon a MemEncryptSevClearPageEncMask() failure in Map(), it wouldn't be difficult to release the bounce buffer that was implicitly allocated for BusMasterRead[64] and BusMasterWrite[64] operations. However, undoing any partial memory encryption mask changes -- partial page splitting and PTE modifications -- is practically impossible. (For example, restoring the encryption mask on the entire range has no reason to fare any better than the MemEncryptSevClearPageEncMask() call itself.) For this reason, keep ASSERT_EFI_ERROR(), but hang in RELEASE builds too, if MemEncryptSevClearPageEncMask() or MemEncryptSevSetPageEncMask() fails. Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: Brijesh Singh <brijesh.singh@amd.com> Cc: Jordan Justen <jordan.l.justen@intel.com> Cc: Tom Lendacky <thomas.lendacky@amd.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Tested-by: Brijesh Singh <brijesh.singh@amd.com> Reviewed-by: Brijesh Singh <brijesh.singh@amd.com>
EDK II Project
A modern, feature-rich, cross-platform firmware development environment for the UEFI and PI specifications from www.uefi.org.
Contributions to the EDK II open source project are covered by the TianoCore Contribution Agreement 1.1
The majority of the content in the EDK II open source project uses a BSD 2-Clause License. The EDK II open source project contains the following components that are covered by additional licenses:
- AppPkg/Applications/Python/Python-2.7.2/Tools/pybench
- AppPkg/Applications/Python/Python-2.7.2
- AppPkg/Applications/Python/Python-2.7.10
- BaseTools/Source/C/BrotliCompress
- MdeModulePkg/Library/BrotliCustomDecompressLib
- OvmfPkg
- CryptoPkg/Library/OpensslLib/openssl
The EDK II Project is composed of packages. The maintainers for each package are listed in Maintainers.txt.