[patch 17/31] x86/fpu: Mark fpu__init_prepare_fx_sw_frame() as __init

Thomas Gleixner
2021-10-12T00:07:35Z

No need to keep it around.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/include/asm/fpu/signal.h | 2 --
arch/x86/kernel/fpu/internal.h | 8 ++++++++
arch/x86/kernel/fpu/signal.c | 4 +++-
arch/x86/kernel/fpu/xstate.c | 1 +
4 files changed, 12 insertions(+), 3 deletions(-)

--- a/arch/x86/include/asm/fpu/signal.h
+++ b/arch/x86/include/asm/fpu/signal.h
@@ -31,6 +31,4 @@ fpu__alloc_mathframe(unsigned long sp, i

unsigned long fpu__get_fpstate_size(void);

-extern void fpu__init_prepare_fx_sw_frame(void);
-
#endif /* _ASM_X86_FPU_SIGNAL_H */
--- /dev/null
+++ b/arch/x86/kernel/fpu/internal.h
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __X86_KERNEL_FPU_INTERNAL_H
+#define __X86_KERNEL_FPU_INTERNAL_H
+
+/* Init functions */
+extern void fpu__init_prepare_fx_sw_frame(void);
+
+#endif
--- a/arch/x86/kernel/fpu/signal.c
+++ b/arch/x86/kernel/fpu/signal.c
@@ -16,6 +16,8 @@
#include <asm/trapnr.h>
#include <asm/trace/fpu.h>

+#include "internal.h"
+
static struct _fpx_sw_bytes fx_sw_reserved __ro_after_init;
static struct _fpx_sw_bytes fx_sw_reserved_ia32 __ro_after_init;

@@ -514,7 +516,7 @@ unsigned long fpu__get_fpstate_size(void
* This will be saved when ever the FP and extended state context is
* saved on the user stack during the signal handler delivery to the user.
*/
-void fpu__init_prepare_fx_sw_frame(void)
+void __init fpu__init_prepare_fx_sw_frame(void)
{
int size = fpu_user_xstate_size + FP_XSTATE_MAGIC2_SIZE;

--- a/arch/x86/kernel/fpu/xstate.c
+++ b/arch/x86/kernel/fpu/xstate.c
@@ -19,6 +19,7 @@

#include <asm/tlbflush.h>

+#include "internal.h"
#include "xstate.h"

#define for_each_extended_xfeature(bit, mask) \