x86/pkeys: Add arch_pkeys_enabled()
authorMichael Ellerman <mpe@ellerman.id.au>
Fri, 13 Apr 2018 13:54:36 +0000 (23:54 +1000)
committerMichael Ellerman <mpe@ellerman.id.au>
Wed, 9 May 2018 01:51:28 +0000 (11:51 +1000)
commit3f36c94239658a79a4deeb84a2e0ebf005f083fc
tree937ffb0918f11333454e4f9f2e9458580275fa52
parent555934a71bb479ce109722807b374f2d98aefe89
x86/pkeys: Add arch_pkeys_enabled()

This will be used in future patches to check for arch support for
pkeys in generic code.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Reviewed-by: Dave Hansen <dave.hansen@intel.com>
arch/x86/include/asm/pkeys.h