From: Roberto Sassu Date: Fri, 14 May 2021 15:27:50 +0000 (+0200) Subject: evm: Deprecate EVM_ALLOW_METADATA_WRITES X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=1434c6a1d32a3a1a77f58a03197b802b1724c740;p=linux.git evm: Deprecate EVM_ALLOW_METADATA_WRITES This patch deprecates the usage of EVM_ALLOW_METADATA_WRITES, as it is no longer necessary. All the issues that prevent the usage of EVM portable signatures just with a public key loaded have been solved. This flag will remain available for a short time to ensure that users are able to use EVM without it. Signed-off-by: Roberto Sassu Signed-off-by: Mimi Zohar --- diff --git a/Documentation/ABI/testing/evm b/Documentation/ABI/testing/evm index 2243b72e41107..553fd8a33e567 100644 --- a/Documentation/ABI/testing/evm +++ b/Documentation/ABI/testing/evm @@ -24,7 +24,7 @@ Description: 1 Enable digital signature validation 2 Permit modification of EVM-protected metadata at runtime. Not supported if HMAC validation and - creation is enabled. + creation is enabled (deprecated). 31 Disable further runtime modification of EVM policy === ================================================== @@ -47,7 +47,13 @@ Description: will enable digital signature validation, permit modification of EVM-protected metadata and - disable all further modification of policy + disable all further modification of policy. This option is now + deprecated in favor of:: + + echo 0x80000002 >/evm + + as the outstanding issues that prevent the usage of EVM portable + signatures have been solved. Echoing a value is additive, the new value is added to the existing initialization flags.