x86/fpu: Simplify fpu__save()

Factor out a common call.
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/kernel/fpu/core.c

@@ -180,12 +180,9 @@ void fpu__save(struct fpu *fpu)
 
 	preempt_disable();
 	if (fpu->fpregs_active) {
-		if (use_eager_fpu()) {
-			copy_fpregs_to_fpstate(fpu);
-		} else {
-			copy_fpregs_to_fpstate(fpu);
+		copy_fpregs_to_fpstate(fpu);
+		if (!use_eager_fpu())
 			fpregs_deactivate(fpu);
-		}
 	}
 	preempt_enable();
 }