x86/fpu: Rename __thread_clear_has_fpu() to __fpregs_deactivate()

Propagate the 'fpu->fpregs_active' naming to the functions that
clears it.
Reviewed-by: Borislav Petkov <bp@alien8.de>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>

arch/x86/include/asm/fpu/internal.h

@@ -315,7 +315,7 @@ static inline int restore_fpu_checking(struct fpu *fpu)
 }
 
 /* Must be paired with an 'stts' after! */
-static inline void __thread_clear_has_fpu(struct fpu *fpu)
+static inline void __fpregs_deactivate(struct fpu *fpu)
 {
 	fpu->fpregs_active = 0;
 	this_cpu_write(fpu_fpregs_owner_ctx, NULL);
@@ -337,7 +337,7 @@ static inline void __fpregs_activate(struct fpu *fpu)
  */
 static inline void __thread_fpu_end(struct fpu *fpu)
 {
-	__thread_clear_has_fpu(fpu);
+	__fpregs_deactivate(fpu);
 	if (!use_eager_fpu())
 		stts();
 }