From 55cc4678b7ee2edd3e6a9411250530eb871bc61d Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@kernel.org>
Date: Sat, 25 Apr 2015 06:26:36 +0200
Subject: [PATCH] x86/fpu: Make the system/cpu init distinction clear in the
 xstate code as well

Rename existing xstate init functions along the system/cpu init principles:

	fpu__init_system_xstate(): called once per system bootup
	fpu__init_cpu_xstate():    called per CPU onlining

Also make the fpu__init_cpu_xstate() early code invariant:
if xfeatures_mask is not set yet then don't crash but return.

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>
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