x86/fpu: Factor out the FPU regset code into fpu/regset.c

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So much of fpu/core.c is the regset code, but it just obscures the generic
FPU state machine logic. Factor out the regset code into fpu/regset.c, where
it can be read in isolation.

This affects one API: fpu__activate_stopped() has to be made available
from the core to fpu/regset.c.

No change in functionality.

Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
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>

...

This commit is contained in:

Ingo Molnar 2015-04-30 12:59:30 +02:00

parent b992c660d3

commit 0c306bcfba

4 changed files with 360 additions and 354 deletions

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4

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

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2

arch/x86/kernel/fpu/Makefile

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352

arch/x86/kernel/fpu/core.c

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356

arch/x86/kernel/fpu/regset.c

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