diff --git a/arch/powerpc/include/asm/book3s/32/kup.h b/arch/powerpc/include/asm/book3s/32/kup.h
index 8da9997a67ba..41746a22c650 100644
--- a/arch/powerpc/include/asm/book3s/32/kup.h
+++ b/arch/powerpc/include/asm/book3s/32/kup.h
@@ -23,25 +23,25 @@ static __always_inline bool kuep_is_disabled(void)
 #define KUAP_NONE	(~0UL)
 #define KUAP_ALL	(~1UL)
 
-static inline void kuap_lock_one(unsigned long addr)
+static __always_inline void kuap_lock_one(unsigned long addr)
 {
 	mtsr(mfsr(addr) | SR_KS, addr);
 	isync();	/* Context sync required after mtsr() */
 }
 
-static inline void kuap_unlock_one(unsigned long addr)
+static __always_inline void kuap_unlock_one(unsigned long addr)
 {
 	mtsr(mfsr(addr) & ~SR_KS, addr);
 	isync();	/* Context sync required after mtsr() */
 }
 
-static inline void kuap_lock_all(void)
+static __always_inline void kuap_lock_all(void)
 {
 	update_user_segments(mfsr(0) | SR_KS);
 	isync();	/* Context sync required after mtsr() */
 }
 
-static inline void kuap_unlock_all(void)
+static __always_inline void kuap_unlock_all(void)
 {
 	update_user_segments(mfsr(0) & ~SR_KS);
 	isync();	/* Context sync required after mtsr() */
@@ -50,7 +50,7 @@ static inline void kuap_unlock_all(void)
 void kuap_lock_all_ool(void);
 void kuap_unlock_all_ool(void);
 
-static inline void kuap_lock_addr(unsigned long addr, bool ool)
+static __always_inline void kuap_lock_addr(unsigned long addr, bool ool)
 {
 	if (likely(addr != KUAP_ALL))
 		kuap_lock_one(addr);
@@ -60,7 +60,7 @@ static inline void kuap_lock_addr(unsigned long addr, bool ool)
 		kuap_lock_all_ool();
 }
 
-static inline void kuap_unlock(unsigned long addr, bool ool)
+static __always_inline void kuap_unlock(unsigned long addr, bool ool)
 {
 	if (likely(addr != KUAP_ALL))
 		kuap_unlock_one(addr);
@@ -70,7 +70,7 @@ static inline void kuap_unlock(unsigned long addr, bool ool)
 		kuap_unlock_all_ool();
 }
 
-static inline void __kuap_save_and_lock(struct pt_regs *regs)
+static __always_inline void __kuap_save_and_lock(struct pt_regs *regs)
 {
 	unsigned long kuap = current->thread.kuap;
 
@@ -83,11 +83,11 @@ static inline void __kuap_save_and_lock(struct pt_regs *regs)
 }
 #define __kuap_save_and_lock __kuap_save_and_lock
 
-static inline void kuap_user_restore(struct pt_regs *regs)
+static __always_inline void kuap_user_restore(struct pt_regs *regs)
 {
 }
 
-static inline void __kuap_kernel_restore(struct pt_regs *regs, unsigned long kuap)
+static __always_inline void __kuap_kernel_restore(struct pt_regs *regs, unsigned long kuap)
 {
 	if (unlikely(kuap != KUAP_NONE)) {
 		current->thread.kuap = KUAP_NONE;
@@ -102,7 +102,7 @@ static inline void __kuap_kernel_restore(struct pt_regs *regs, unsigned long kua
 	kuap_unlock(regs->kuap, false);
 }
 
-static inline unsigned long __kuap_get_and_assert_locked(void)
+static __always_inline unsigned long __kuap_get_and_assert_locked(void)
 {
 	unsigned long kuap = current->thread.kuap;
 
@@ -137,7 +137,7 @@ static __always_inline void __prevent_user_access(unsigned long dir)
 	kuap_lock_addr(kuap, true);
 }
 
-static inline unsigned long __prevent_user_access_return(void)
+static __always_inline unsigned long __prevent_user_access_return(void)
 {
 	unsigned long flags = current->thread.kuap;
 
@@ -149,7 +149,7 @@ static inline unsigned long __prevent_user_access_return(void)
 	return flags;
 }
 
-static inline void __restore_user_access(unsigned long flags)
+static __always_inline void __restore_user_access(unsigned long flags)
 {
 	if (flags != KUAP_NONE) {
 		current->thread.kuap = flags;
@@ -157,7 +157,7 @@ static inline void __restore_user_access(unsigned long flags)
 	}
 }
 
-static inline bool
+static __always_inline bool
 __bad_kuap_fault(struct pt_regs *regs, unsigned long address, bool is_write)
 {
 	unsigned long kuap = regs->kuap;
diff --git a/arch/powerpc/include/asm/book3s/64/kup.h b/arch/powerpc/include/asm/book3s/64/kup.h
index d44c4ee2e8c3..f33e064b9f5f 100644
--- a/arch/powerpc/include/asm/book3s/64/kup.h
+++ b/arch/powerpc/include/asm/book3s/64/kup.h
@@ -213,14 +213,14 @@ extern u64 __ro_after_init default_iamr;
  * access restrictions. Because of this ignore AMR value when accessing
  * userspace via kernel thread.
  */
-static inline u64 current_thread_amr(void)
+static __always_inline u64 current_thread_amr(void)
 {
 	if (current->thread.regs)
 		return current->thread.regs->amr;
 	return default_amr;
 }
 
-static inline u64 current_thread_iamr(void)
+static __always_inline u64 current_thread_iamr(void)
 {
 	if (current->thread.regs)
 		return current->thread.regs->iamr;
@@ -236,7 +236,7 @@ static __always_inline bool kuap_is_disabled(void)
 }
 #define kuap_is_disabled kuap_is_disabled
 
-static inline void kuap_user_restore(struct pt_regs *regs)
+static __always_inline void kuap_user_restore(struct pt_regs *regs)
 {
 	bool restore_amr = false, restore_iamr = false;
 	unsigned long amr, iamr;
@@ -275,7 +275,7 @@ static inline void kuap_user_restore(struct pt_regs *regs)
 	 */
 }
 
-static inline void __kuap_kernel_restore(struct pt_regs *regs, unsigned long amr)
+static __always_inline void __kuap_kernel_restore(struct pt_regs *regs, unsigned long amr)
 {
 	if (likely(regs->amr == amr))
 		return;
@@ -291,7 +291,7 @@ static inline void __kuap_kernel_restore(struct pt_regs *regs, unsigned long amr
 	 */
 }
 
-static inline unsigned long __kuap_get_and_assert_locked(void)
+static __always_inline unsigned long __kuap_get_and_assert_locked(void)
 {
 	unsigned long amr = mfspr(SPRN_AMR);
 
@@ -308,7 +308,7 @@ static inline unsigned long __kuap_get_and_assert_locked(void)
  * because that would require an expensive read/modify write of the AMR.
  */
 
-static inline unsigned long get_kuap(void)
+static __always_inline unsigned long get_kuap(void)
 {
 	/*
 	 * We return AMR_KUAP_BLOCKED when we don't support KUAP because
@@ -338,7 +338,8 @@ static __always_inline void set_kuap(unsigned long value)
 	isync();
 }
 
-static inline bool __bad_kuap_fault(struct pt_regs *regs, unsigned long address, bool is_write)
+static __always_inline bool
+__bad_kuap_fault(struct pt_regs *regs, unsigned long address, bool is_write)
 {
 	/*
 	 * For radix this will be a storage protection fault (DSISR_PROTFAULT).
@@ -381,12 +382,12 @@ static __always_inline void allow_user_access(void __user *to, const void __user
 
 #else /* CONFIG_PPC_KUAP */
 
-static inline unsigned long get_kuap(void)
+static __always_inline unsigned long get_kuap(void)
 {
 	return AMR_KUAP_BLOCKED;
 }
 
-static inline void set_kuap(unsigned long value) { }
+static __always_inline void set_kuap(unsigned long value) { }
 
 static __always_inline void allow_user_access(void __user *to, const void __user *from,
 					      unsigned long size, unsigned long dir)
@@ -401,7 +402,7 @@ static __always_inline void prevent_user_access(unsigned long dir)
 		do_uaccess_flush();
 }
 
-static inline unsigned long prevent_user_access_return(void)
+static __always_inline unsigned long prevent_user_access_return(void)
 {
 	unsigned long flags = get_kuap();
 
@@ -412,7 +413,7 @@ static inline unsigned long prevent_user_access_return(void)
 	return flags;
 }
 
-static inline void restore_user_access(unsigned long flags)
+static __always_inline void restore_user_access(unsigned long flags)
 {
 	set_kuap(flags);
 	if (static_branch_unlikely(&uaccess_flush_key) && flags == AMR_KUAP_BLOCKED)
diff --git a/arch/powerpc/include/asm/kup.h b/arch/powerpc/include/asm/kup.h
index a02340535efa..132f1c7e1064 100644
--- a/arch/powerpc/include/asm/kup.h
+++ b/arch/powerpc/include/asm/kup.h
@@ -59,14 +59,14 @@ static inline void setup_kuap(bool disabled) { }
 
 static __always_inline bool kuap_is_disabled(void) { return true; }
 
-static inline bool
+static __always_inline bool
 __bad_kuap_fault(struct pt_regs *regs, unsigned long address, bool is_write)
 {
 	return false;
 }
 
-static inline void kuap_user_restore(struct pt_regs *regs) { }
-static inline void __kuap_kernel_restore(struct pt_regs *regs, unsigned long amr) { }
+static __always_inline void kuap_user_restore(struct pt_regs *regs) { }
+static __always_inline void __kuap_kernel_restore(struct pt_regs *regs, unsigned long amr) { }
 
 /*
  * book3s/64/kup-radix.h defines these functions for the !KUAP case to flush
@@ -74,11 +74,11 @@ static inline void __kuap_kernel_restore(struct pt_regs *regs, unsigned long amr
  * platforms.
  */
 #ifndef CONFIG_PPC_BOOK3S_64
-static inline void __allow_user_access(void __user *to, const void __user *from,
-				       unsigned long size, unsigned long dir) { }
-static inline void __prevent_user_access(unsigned long dir) { }
-static inline unsigned long __prevent_user_access_return(void) { return 0UL; }
-static inline void __restore_user_access(unsigned long flags) { }
+static __always_inline void __allow_user_access(void __user *to, const void __user *from,
+						unsigned long size, unsigned long dir) { }
+static __always_inline void __prevent_user_access(unsigned long dir) { }
+static __always_inline unsigned long __prevent_user_access_return(void) { return 0UL; }
+static __always_inline void __restore_user_access(unsigned long flags) { }
 #endif /* CONFIG_PPC_BOOK3S_64 */
 #endif /* CONFIG_PPC_KUAP */
 
diff --git a/arch/powerpc/include/asm/nohash/32/kup-8xx.h b/arch/powerpc/include/asm/nohash/32/kup-8xx.h
index 1d53f38c5cd5..61067e4c8f22 100644
--- a/arch/powerpc/include/asm/nohash/32/kup-8xx.h
+++ b/arch/powerpc/include/asm/nohash/32/kup-8xx.h
@@ -13,24 +13,24 @@
 
 #include <asm/reg.h>
 
-static inline void __kuap_save_and_lock(struct pt_regs *regs)
+static __always_inline void __kuap_save_and_lock(struct pt_regs *regs)
 {
 	regs->kuap = mfspr(SPRN_MD_AP);
 	mtspr(SPRN_MD_AP, MD_APG_KUAP);
 }
 #define __kuap_save_and_lock __kuap_save_and_lock
 
-static inline void kuap_user_restore(struct pt_regs *regs)
+static __always_inline void kuap_user_restore(struct pt_regs *regs)
 {
 }
 
-static inline void __kuap_kernel_restore(struct pt_regs *regs, unsigned long kuap)
+static __always_inline void __kuap_kernel_restore(struct pt_regs *regs, unsigned long kuap)
 {
 	mtspr(SPRN_MD_AP, regs->kuap);
 }
 
 #ifdef CONFIG_PPC_KUAP_DEBUG
-static inline unsigned long __kuap_get_and_assert_locked(void)
+static __always_inline unsigned long __kuap_get_and_assert_locked(void)
 {
 	WARN_ON_ONCE(mfspr(SPRN_MD_AP) >> 16 != MD_APG_KUAP >> 16);
 
@@ -39,18 +39,18 @@ static inline unsigned long __kuap_get_and_assert_locked(void)
 #define __kuap_get_and_assert_locked __kuap_get_and_assert_locked
 #endif
 
-static inline void __allow_user_access(void __user *to, const void __user *from,
-				       unsigned long size, unsigned long dir)
+static __always_inline void __allow_user_access(void __user *to, const void __user *from,
+						unsigned long size, unsigned long dir)
 {
 	mtspr(SPRN_MD_AP, MD_APG_INIT);
 }
 
-static inline void __prevent_user_access(unsigned long dir)
+static __always_inline void __prevent_user_access(unsigned long dir)
 {
 	mtspr(SPRN_MD_AP, MD_APG_KUAP);
 }
 
-static inline unsigned long __prevent_user_access_return(void)
+static __always_inline unsigned long __prevent_user_access_return(void)
 {
 	unsigned long flags;
 
@@ -61,12 +61,12 @@ static inline unsigned long __prevent_user_access_return(void)
 	return flags;
 }
 
-static inline void __restore_user_access(unsigned long flags)
+static __always_inline void __restore_user_access(unsigned long flags)
 {
 	mtspr(SPRN_MD_AP, flags);
 }
 
-static inline bool
+static __always_inline bool
 __bad_kuap_fault(struct pt_regs *regs, unsigned long address, bool is_write)
 {
 	return !((regs->kuap ^ MD_APG_KUAP) & 0xff000000);
diff --git a/arch/powerpc/include/asm/nohash/kup-booke.h b/arch/powerpc/include/asm/nohash/kup-booke.h
index 07759ae9117b..416f3e0897d5 100644
--- a/arch/powerpc/include/asm/nohash/kup-booke.h
+++ b/arch/powerpc/include/asm/nohash/kup-booke.h
@@ -18,14 +18,14 @@
 
 #include <asm/reg.h>
 
-static inline void __kuap_lock(void)
+static __always_inline void __kuap_lock(void)
 {
 	mtspr(SPRN_PID, 0);
 	isync();
 }
 #define __kuap_lock __kuap_lock
 
-static inline void __kuap_save_and_lock(struct pt_regs *regs)
+static __always_inline void __kuap_save_and_lock(struct pt_regs *regs)
 {
 	regs->kuap = mfspr(SPRN_PID);
 	mtspr(SPRN_PID, 0);
@@ -33,7 +33,7 @@ static inline void __kuap_save_and_lock(struct pt_regs *regs)
 }
 #define __kuap_save_and_lock __kuap_save_and_lock
 
-static inline void kuap_user_restore(struct pt_regs *regs)
+static __always_inline void kuap_user_restore(struct pt_regs *regs)
 {
 	if (kuap_is_disabled())
 		return;
@@ -43,7 +43,7 @@ static inline void kuap_user_restore(struct pt_regs *regs)
 	/* Context synchronisation is performed by rfi */
 }
 
-static inline void __kuap_kernel_restore(struct pt_regs *regs, unsigned long kuap)
+static __always_inline void __kuap_kernel_restore(struct pt_regs *regs, unsigned long kuap)
 {
 	if (regs->kuap)
 		mtspr(SPRN_PID, current->thread.pid);
@@ -52,7 +52,7 @@ static inline void __kuap_kernel_restore(struct pt_regs *regs, unsigned long kua
 }
 
 #ifdef CONFIG_PPC_KUAP_DEBUG
-static inline unsigned long __kuap_get_and_assert_locked(void)
+static __always_inline unsigned long __kuap_get_and_assert_locked(void)
 {
 	WARN_ON_ONCE(mfspr(SPRN_PID));
 
@@ -61,20 +61,20 @@ static inline unsigned long __kuap_get_and_assert_locked(void)
 #define __kuap_get_and_assert_locked __kuap_get_and_assert_locked
 #endif
 
-static inline void __allow_user_access(void __user *to, const void __user *from,
-				       unsigned long size, unsigned long dir)
+static __always_inline void __allow_user_access(void __user *to, const void __user *from,
+						unsigned long size, unsigned long dir)
 {
 	mtspr(SPRN_PID, current->thread.pid);
 	isync();
 }
 
-static inline void __prevent_user_access(unsigned long dir)
+static __always_inline void __prevent_user_access(unsigned long dir)
 {
 	mtspr(SPRN_PID, 0);
 	isync();
 }
 
-static inline unsigned long __prevent_user_access_return(void)
+static __always_inline unsigned long __prevent_user_access_return(void)
 {
 	unsigned long flags = mfspr(SPRN_PID);
 
@@ -84,7 +84,7 @@ static inline unsigned long __prevent_user_access_return(void)
 	return flags;
 }
 
-static inline void __restore_user_access(unsigned long flags)
+static __always_inline void __restore_user_access(unsigned long flags)
 {
 	if (flags) {
 		mtspr(SPRN_PID, current->thread.pid);
@@ -92,7 +92,7 @@ static inline void __restore_user_access(unsigned long flags)
 	}
 }
 
-static inline bool
+static __always_inline bool
 __bad_kuap_fault(struct pt_regs *regs, unsigned long address, bool is_write)
 {
 	return !regs->kuap;
diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h
index a2d255aa9627..fb725ec77926 100644
--- a/arch/powerpc/include/asm/uaccess.h
+++ b/arch/powerpc/include/asm/uaccess.h
@@ -386,7 +386,7 @@ copy_mc_to_user(void __user *to, const void *from, unsigned long n)
 extern long __copy_from_user_flushcache(void *dst, const void __user *src,
 		unsigned size);
 
-static __must_check inline bool user_access_begin(const void __user *ptr, size_t len)
+static __must_check __always_inline bool user_access_begin(const void __user *ptr, size_t len)
 {
 	if (unlikely(!access_ok(ptr, len)))
 		return false;
@@ -401,7 +401,7 @@ static __must_check inline bool user_access_begin(const void __user *ptr, size_t
 #define user_access_save	prevent_user_access_return
 #define user_access_restore	restore_user_access
 
-static __must_check inline bool
+static __must_check __always_inline bool
 user_read_access_begin(const void __user *ptr, size_t len)
 {
 	if (unlikely(!access_ok(ptr, len)))
@@ -415,7 +415,7 @@ user_read_access_begin(const void __user *ptr, size_t len)
 #define user_read_access_begin	user_read_access_begin
 #define user_read_access_end		prevent_current_read_from_user
 
-static __must_check inline bool
+static __must_check __always_inline bool
 user_write_access_begin(const void __user *ptr, size_t len)
 {
 	if (unlikely(!access_ok(ptr, len)))
