[RFC PATCH 03/25] powerpc/book3s64/kuep: Add MMU_FTR_KUEP

[Aneesh Kumar K.V]

This will be used to enable/disable Kernel Userspace Execution
Prevention (KUEP).

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar at linux.ibm.com>
---
 arch/powerpc/include/asm/mmu.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h
index 3816e9901f7d..f6fcc9daf6ac 100644
--- a/arch/powerpc/include/asm/mmu.h
+++ b/arch/powerpc/include/asm/mmu.h
@@ -24,6 +24,7 @@
 /* Radix page table supported and enabled */
 #define MMU_FTR_TYPE_RADIX		ASM_CONST(0x00000040)
 #define MMU_FTR_PKEY			ASM_CONST(0x00000080)
+#define MMU_FTR_KUEP			ASM_CONST(0x00000100)
 
 /*
  * Individual features below.
@@ -180,6 +181,10 @@ enum {
 #ifdef CONFIG_PPC_MEM_KEYS
 	MMU_FTR_PKEY |
 #endif
+#ifdef CONFIG_PPC_KUEP
+	MMU_FTR_KUEP |
+#endif /* CONFIG_PPC_KUAP */
+
 		0,
 };
 
-- 
2.25.3