x86/fpu: Propagate once per boot quirk into fpu__init_system_xstate()
authorIngo Molnar <mingo@kernel.org>
Sat, 25 Apr 2015 04:50:09 +0000 (06:50 +0200)
committerIngo Molnar <mingo@kernel.org>
Tue, 19 May 2015 13:47:40 +0000 (15:47 +0200)
commit62db6871ae862fbd7f7abfebffe501b170698a8b
tree9d4aeeed478e67f0343aa781a5ba3d66ad4f8efc
parente9dbfd673a9cc9d3ef90e3ea4e136a833dab3674
x86/fpu: Propagate once per boot quirk into fpu__init_system_xstate()

Linearize the call sequence in xsave_init():

fpu__init_system_xstate();
fpu__init_cpu_xstate();

We do this by propagating the boot-once quirk into
fpu__init_system_xstate(). fpu__init_cpu_xstate() is
safe to be called multiple time.

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/xsave.c
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