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evm: remove TCG_TPM dependency

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All tristates selected by EVM(boolean) are forced to be builtin, except
in the TCG_TPM(tristate) dependency case. Arnaud Lacombe summarizes the
Kconfig bug as, "So it would seem direct dependency state influence the
state of reverse dependencies.."  For a detailed explanation, refer to
Arnaud Lacombe's posting http://lkml.org/lkml/2011/8/23/498.

With the "encrypted-keys: remove trusted-keys dependency" patch, EVM
can now be built without a dependency on TCG_TPM.  The trusted-keys
dependency requires trusted-keys to either be builtin or not selected.
This dependency will prevent the boolean/tristate mismatch from
occuring.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>,
             Randy Dunlap <rdunlap@xenotimenet>
Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
This commit is contained in:
Mimi Zohar 2011-08-28 08:57:11 -04:00
parent 982e617a31
commit 1d714057ef
1 changed files with 1 additions and 2 deletions
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3
security/integrity/evm/Kconfig
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@ -1,11 +1,10 @@
config EVM
boolean "EVM support"
depends on SECURITY && KEYS && TCG_TPM
depends on SECURITY && KEYS && (TRUSTED_KEYS=y || TRUSTED_KEYS=n)
select CRYPTO_HMAC
select CRYPTO_MD5
select CRYPTO_SHA1
select ENCRYPTED_KEYS
select TRUSTED_KEYS
default n
help
EVM protects a file's security extended attributes against