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security/keys: add CONFIG_KEYS_COMPAT to Kconfig

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CONFIG_KEYS_COMPAT is defined in arch-specific Kconfigs and is missing for
several 64-bit architectures : mips, parisc, tile.

At the moment and for those architectures, calling in 32-bit userspace the
keyctl syscall would return an ENOSYS error.

This patch moves the CONFIG_KEYS_COMPAT option to security/keys/Kconfig, to
make sure the compatibility wrapper is registered by default for any 64-bit
architecture as long as it is configured with CONFIG_COMPAT.

[DH: Modified to remove arm64 compat enablement also as requested by Eric
 Biggers]

Signed-off-by: Bilal Amarni <bilal.amarni@gmail.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
cc: Eric Biggers <ebiggers3@gmail.com>
Signed-off-by: James Morris <james.l.morris@oracle.com>
This commit is contained in:
Bilal Amarni
2017-06-08 14:47:26 +01:00
committed by James Morris
parent aea4156c30
commit 47b2c3fff4
6 changed files with 4 additions and 19 deletions
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3
arch/sparc/Kconfig
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@@ -577,9 +577,6 @@ config SYSVIPC_COMPAT
depends on COMPAT && SYSVIPC
default y
config KEYS_COMPAT
def_bool y if COMPAT && KEYS
endmenu
source "net/Kconfig"