From: Ingo Molnar <mingo@kernel.org>
Date: Sat, 25 Apr 2015 04:26:36 +0000 (+0200)
Subject: x86/fpu: Make the system/cpu init distinction clear in the xstate code as well
X-Git-Tag: omap-for-v4.3/legacy-v2-signed~203^2~153
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=55cc4678b7ee2edd3e6a9411250530eb871bc61d;p=pandora-kernel.git

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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