linux-kernel - [patch V2 10/14] x86/fpu: Rename fpu__clear_all() to fpu_flush

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Date:   Sun, 06 Jun 2021 01:47:52 +0200
From:   Thomas Gleixner <tglx@...utronix.de>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     x86@...nel.org, Andy Lutomirski <luto@...nel.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Fenghua Yu <fenghua.yu@...el.com>,
        Tony Luck <tony.luck@...el.com>,
        Yu-cheng Yu <yu-cheng.yu@...el.com>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Subject: [patch V2 10/14] x86/fpu: Rename fpu__clear_all() to fpu_flush_thread()

Make it clear what the function is about.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
V2: New patch
---
 arch/x86/include/asm/fpu/internal.h |    3 ++-
 arch/x86/kernel/fpu/core.c          |    4 ++--
 arch/x86/kernel/process.c           |    2 +-
 3 files changed, 5 insertions(+), 4 deletions(-)

--- a/arch/x86/include/asm/fpu/internal.h
+++ b/arch/x86/include/asm/fpu/internal.h
@@ -33,9 +33,10 @@ extern int  fpu__restore_sig(void __user
 extern void fpu__drop(struct fpu *fpu);
 extern int  fpu__copy(struct task_struct *dst, struct task_struct *src);
 extern void fpu__clear_user_states(struct fpu *fpu);
-extern void fpu__clear_all(struct fpu *fpu);
 extern int  fpu__exception_code(struct fpu *fpu, int trap_nr);
 
+extern void fpu_flush_thread(void);
+
 /*
  * Boot time FPU initialization functions:
  */
--- a/arch/x86/kernel/fpu/core.c
+++ b/arch/x86/kernel/fpu/core.c
@@ -402,9 +402,9 @@ void fpu__clear_user_states(struct fpu *
 	fpu__clear(fpu, true);
 }
 
-void fpu__clear_all(struct fpu *fpu)
+void fpu_flush_thread(void)
 {
-	fpu__clear(fpu, false);
+	fpu__clear(&current->thread.fpu, false);
 }
 
 /*
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -206,7 +206,7 @@ void flush_thread(void)
 	flush_ptrace_hw_breakpoint(tsk);
 	memset(tsk->thread.tls_array, 0, sizeof(tsk->thread.tls_array));
 
-	fpu__clear_all(&tsk->thread.fpu);
+	fpu_flush_thread();
 }
 
 void disable_TSC(void)