linux-kernel - [tip: x86/fpu] x86/fpu: Make WARN_ON

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Date:   Wed, 20 Oct 2021 13:44:32 -0000
From:   "tip-bot2 for Thomas Gleixner" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Thomas Gleixner <tglx@...utronix.de>, Borislav Petkov <bp@...e.de>,
        x86@...nel.org, linux-kernel@...r.kernel.org
Subject: [tip: x86/fpu] x86/fpu: Make WARN_ON_FPU() private

The following commit has been merged into the x86/fpu branch of tip:

Commit-ID:     cdcb6fa14e1499ff2b2a3f3e0938c7b3b7ef2cd6
Gitweb:        https://git.kernel.org/tip/cdcb6fa14e1499ff2b2a3f3e0938c7b3b7ef2cd6
Author:        Thomas Gleixner <tglx@...utronix.de>
AuthorDate:    Fri, 15 Oct 2021 03:16:28 +02:00
Committer:     Borislav Petkov <bp@...e.de>
CommitterDate: Wed, 20 Oct 2021 15:27:28 +02:00

x86/fpu: Make WARN_ON_FPU() private

No point in being in global headers.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Signed-off-by: Borislav Petkov <bp@...e.de>
Link: https://lkml.kernel.org/r/20211015011539.628516182@linutronix.de
---
 arch/x86/include/asm/fpu/internal.h |  9 ---------
 arch/x86/kernel/fpu/init.c          |  2 ++
 arch/x86/kernel/fpu/internal.h      |  6 ++++++
 3 files changed, 8 insertions(+), 9 deletions(-)

diff --git a/arch/x86/include/asm/fpu/internal.h b/arch/x86/include/asm/fpu/internal.h
index 7722aad..f8413a5 100644
--- a/arch/x86/include/asm/fpu/internal.h
+++ b/arch/x86/include/asm/fpu/internal.h
@@ -42,15 +42,6 @@ extern void fpu__init_system(struct cpuinfo_x86 *c);
 extern void fpu__init_check_bugs(void);
 extern void fpu__resume_cpu(void);
 
-/*
- * Debugging facility:
- */
-#ifdef CONFIG_X86_DEBUG_FPU
-# define WARN_ON_FPU(x) WARN_ON_ONCE(x)
-#else
-# define WARN_ON_FPU(x) ({ (void)(x); 0; })
-#endif
-
 extern union fpregs_state init_fpstate;
 extern void fpstate_init_user(union fpregs_state *state);
 
diff --git a/arch/x86/kernel/fpu/init.c b/arch/x86/kernel/fpu/init.c
index 545c91c..24873df 100644
--- a/arch/x86/kernel/fpu/init.c
+++ b/arch/x86/kernel/fpu/init.c
@@ -10,6 +10,8 @@
 #include <linux/sched/task.h>
 #include <linux/init.h>
 
+#include "internal.h"
+
 /*
  * Initialize the registers found in all CPUs, CR0 and CR4:
  */
diff --git a/arch/x86/kernel/fpu/internal.h b/arch/x86/kernel/fpu/internal.h
index a8aac21..5ddc09e 100644
--- a/arch/x86/kernel/fpu/internal.h
+++ b/arch/x86/kernel/fpu/internal.h
@@ -13,6 +13,12 @@ static __always_inline __pure bool use_fxsr(void)
 	return cpu_feature_enabled(X86_FEATURE_FXSR);
 }
 
+#ifdef CONFIG_X86_DEBUG_FPU
+# define WARN_ON_FPU(x) WARN_ON_ONCE(x)
+#else
+# define WARN_ON_FPU(x) ({ (void)(x); 0; })
+#endif
+
 /* Init functions */
 extern void fpu__init_prepare_fx_sw_frame(void);