x86/fpu: Factor out the exception error code handling code

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Factor out the FPU error code handling code from traps.c and fpu/internal.h
and move them close to each other.

Also convert the helper functions to 'struct fpu *', which further simplifies
them.

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 09:29:38 +02:00

parent acd58a3ad0

commit e1cebad49c

3 changed files with 102 additions and 86 deletions

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33

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

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88

arch/x86/kernel/fpu/core.c

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67

arch/x86/kernel/traps.c

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