x86/fpu/xstate: Mark all init only functions __init

No point to keep them around after boot.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20211015011539.017919252@linutronix.de

arch/x86/kernel/fpu/xstate.c

@@ -462,7 +462,7 @@ static int validate_user_xstate_header(const struct xstate_header *hdr)
 	return 0;
 }
 
-static void __xstate_dump_leaves(void)
+static void __init __xstate_dump_leaves(void)
 {
 	int i;
 	u32 eax, ebx, ecx, edx;
@@ -502,7 +502,7 @@ static void __xstate_dump_leaves(void)
  * that our software representation matches what the CPU
  * tells us about the state's size.
  */
-static void check_xstate_against_struct(int nr)
+static void __init check_xstate_against_struct(int nr)
 {
 	/*
 	 * Ask the CPU for the size of the state.
@@ -544,7 +544,7 @@ static void check_xstate_against_struct(int nr)
  * covered by these checks. Only the size of the buffer for task->fpu
  * is checked here.
  */
-static void do_extra_xstate_size_checks(void)
+static void __init do_extra_xstate_size_checks(void)
 {
 	int paranoid_xstate_size = FXSAVE_SIZE + XSAVE_HDR_SIZE;
 	int i;
@@ -646,7 +646,7 @@ static unsigned int __init get_xsave_size(void)
  * Will the runtime-enumerated 'xstate_size' fit in the init
  * task's statically-allocated buffer?
  */
-static bool is_supported_xstate_size(unsigned int test_xstate_size)
+static bool __init is_supported_xstate_size(unsigned int test_xstate_size)
 {
 	if (test_xstate_size <= sizeof(union fpregs_state))
 		return true;
@@ -691,7 +691,7 @@ static int __init init_xstate_size(void)
  * We enabled the XSAVE hardware, but something went wrong and
  * we can not use it.  Disable it.
  */
-static void fpu__init_disable_system_xstate(void)
+static void __init fpu__init_disable_system_xstate(void)
 {
 	xfeatures_mask_all = 0;
 	cr4_clear_bits(X86_CR4_OSXSAVE);