[patch V2 40/52] x86/fpu: Rename fpu__clear_all() to fpu_flush_thread()

Thomas Gleixner
2021-06-14T16:40:10Z

Make it clear what the function is about.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
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
@@ -417,9 +417,9 @@ 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)