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mm/pkeys: Add an empty arch_pkeys_enabled()

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Add an empty arch_pkeys_enabled() in linux/pkeys.h for the
CONFIG_ARCH_HAS_PKEYS=n case.

Split out of a patch by Ram Pai <linuxram@us.ibm.com>.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Reviewed-by: Dave Hansen <dave.hansen@intel.com>
This commit is contained in:
Michael Ellerman 2018-04-13 23:54:52 +10:00
parent 3f36c94239
commit 4414ef9536
1 changed files with 5 additions and 0 deletions
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5
include/linux/pkeys.h
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@ -39,6 +39,11 @@ static inline int arch_set_user_pkey_access(struct task_struct *tsk, int pkey,
return 0;
}
static inline bool arch_pkeys_enabled(void)
{
return false;
}
static inline void copy_init_pkru_to_fpregs(void)
{
}