3 files changed, 20 insertions, 3 deletions
diff --git a/arch/arm64/include/uapi/asm/hwcap.h b/arch/arm64/include/uapi/asm/hwcap.h
index 285610e626f5..055381b2c615 100644
--- a/arch/arm64/include/uapi/asm/hwcap.h
+++ b/arch/arm64/include/uapi/asm/hwcap.h
@@ -122,5 +122,6 @@
 #define HWCAP2_SME_SF8FMA	(1UL << 60)
 #define HWCAP2_SME_SF8DP4	(1UL << 61)
 #define HWCAP2_SME_SF8DP2	(1UL << 62)
+#define HWCAP2_POE		(1UL << 63)
 
 #endif /* _UAPI__ASM_HWCAP_H */
diff --git a/arch/arm64/include/uapi/asm/mman.h b/arch/arm64/include/uapi/asm/mman.h
index 1e6482a838e1..e7e0c8216243 100644
--- a/arch/arm64/include/uapi/asm/mman.h
+++ b/arch/arm64/include/uapi/asm/mman.h
@@ -7,4 +7,13 @@
 #define PROT_BTI	0x10		/* BTI guarded page */
 #define PROT_MTE	0x20		/* Normal Tagged mapping */
 
+/* Override any generic PKEY permission defines */
+#define PKEY_DISABLE_EXECUTE	0x4
+#define PKEY_DISABLE_READ	0x8
+#undef PKEY_ACCESS_MASK
+#define PKEY_ACCESS_MASK       (PKEY_DISABLE_ACCESS |\
+				PKEY_DISABLE_WRITE  |\
+				PKEY_DISABLE_READ   |\
+				PKEY_DISABLE_EXECUTE)
+
 #endif /* ! _UAPI__ASM_MMAN_H */
diff --git a/arch/arm64/include/uapi/asm/sigcontext.h b/arch/arm64/include/uapi/asm/sigcontext.h
index 8a45b7a411e0..bb7af77a30a7 100644
--- a/arch/arm64/include/uapi/asm/sigcontext.h
+++ b/arch/arm64/include/uapi/asm/sigcontext.h
@@ -98,6 +98,13 @@ struct esr_context {
 	__u64 esr;
 };
 
+#define POE_MAGIC	0x504f4530
+
+struct poe_context {
+	struct _aarch64_ctx head;
+	__u64 por_el0;
+};
+
 /*
  * extra_context: describes extra space in the signal frame for
  * additional structures that don't fit in sigcontext.__reserved[].
@@ -320,10 +327,10 @@ struct zt_context {
 	((sizeof(struct za_context) + (__SVE_VQ_BYTES - 1))	\
 		/ __SVE_VQ_BYTES * __SVE_VQ_BYTES)
 
-#define ZA_SIG_REGS_SIZE(vq) ((vq * __SVE_VQ_BYTES) * (vq * __SVE_VQ_BYTES))
+#define ZA_SIG_REGS_SIZE(vq) (((vq) * __SVE_VQ_BYTES) * ((vq) * __SVE_VQ_BYTES))
 
 #define ZA_SIG_ZAV_OFFSET(vq, n) (ZA_SIG_REGS_OFFSET + \
-				  (SVE_SIG_ZREG_SIZE(vq) * n))
+				  (SVE_SIG_ZREG_SIZE(vq) * (n)))
 
 #define ZA_SIG_CONTEXT_SIZE(vq) \
 		(ZA_SIG_REGS_OFFSET + ZA_SIG_REGS_SIZE(vq))
@@ -334,7 +341,7 @@ struct zt_context {
 
 #define ZT_SIG_REGS_OFFSET sizeof(struct zt_context)
 
-#define ZT_SIG_REGS_SIZE(n) (ZT_SIG_REG_BYTES * n)
+#define ZT_SIG_REGS_SIZE(n) (ZT_SIG_REG_BYTES * (n))
 
 #define ZT_SIG_CONTEXT_SIZE(n) \
 	(sizeof(struct zt_context) + ZT_SIG_REGS_SIZE(n))