summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorMichael Ellerman <mpe@ellerman.id.au>2018-04-13 23:54:52 +1000
committerMichael Ellerman <mpe@ellerman.id.au>2018-05-09 11:51:46 +1000
commit4414ef9536c398ebc4e1443d59fbae8fea53732b (patch)
treee5861c404f3d4ae2d6ec63a117ead6aac20ec077
parent3f36c94239658a79a4deeb84a2e0ebf005f083fc (diff)
downloadlinux-4414ef9536c398ebc4e1443d59fbae8fea53732b.tar.gz
linux-4414ef9536c398ebc4e1443d59fbae8fea53732b.tar.bz2
linux-4414ef9536c398ebc4e1443d59fbae8fea53732b.zip
mm/pkeys: Add an empty arch_pkeys_enabled()
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>
-rw-r--r--include/linux/pkeys.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/pkeys.h b/include/linux/pkeys.h
index 946cb773b79f..2955ba976048 100644
--- a/include/linux/pkeys.h
+++ b/include/linux/pkeys.h
@@ -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)
{
}