linux-kernel - [patch 17/31] x86/fpu: Mark fpu__init_prepare_fx_sw_frame() as _

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Date:   Tue, 12 Oct 2021 02:00:24 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     x86@...nel.org, "Chang S. Bae" <chang.seok.bae@...el.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Arjan van de Ven <arjan@...ux.intel.com>,
        kvm@...r.kernel.org, Paolo Bonzini <pbonzini@...hat.com>
Subject: [patch 17/31] x86/fpu: Mark fpu__init_prepare_fx_sw_frame() as __init

No need to keep it around.

Signed-off-by: Thomas Gleixner <tglx@...utronix.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)				\