arm64: enable PKEY support for CPUs with S1POE

Now that PKEYs support has been implemented, enable it for CPUs that
support S1POE.

Signed-off-by: Joey Gouly <joey.gouly@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Link: https://lore.kernel.org/r/20240822151113.1479789-23-joey.gouly@arm.com
Signed-off-by: Will Deacon <will@kernel.org>

diff --git a/arch/arm64/include/asm/pkeys.h b/arch/arm64/include/asm/pkeys.h
index 32c352bb36b927e0ac42e745ae922a7740adba7d..19eb1b12b7fc088e236d16b87b2c50dd19355675 100644 (file)
--- a/arch/arm64/include/asm/pkeys.h
+++ b/arch/arm64/include/asm/pkeys.h
@@ -17,7 +17,7 @@ int arch_set_user_pkey_access(struct task_struct *tsk, int pkey,
 
 static inline bool arch_pkeys_enabled(void)
 {
-       return false;
+       return system_supports_poe();
 }
 
 static inline int vma_pkey(struct vm_area_struct *vma)