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x86/vm86: Move the vm86 IRQ definitions to vm86.h
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Move vm86 specific definitions from irq_vectors.h to vm86.h.

Based on patch from Brian Gerst.

Originally-from: Brian Gerst <brgerst@gmail.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1438148483-11932-6-git-send-email-brgerst@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Ingo Molnar committed Jul 31, 2015
1 parent 5ed92a8 commit af3e565
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Showing 2 changed files with 14 additions and 11 deletions.
10 changes: 0 additions & 10 deletions arch/x86/include/asm/irq_vectors.h
Original file line number Diff line number Diff line change
Expand Up @@ -117,16 +117,6 @@

#define FPU_IRQ 13

#define FIRST_VM86_IRQ 3
#define LAST_VM86_IRQ 15

#ifndef __ASSEMBLY__
static inline int invalid_vm86_irq(int irq)
{
return irq < FIRST_VM86_IRQ || irq > LAST_VM86_IRQ;
}
#endif

/*
* Size the maximum number of interrupts.
*
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15 changes: 14 additions & 1 deletion arch/x86/include/asm/vm86.h
Original file line number Diff line number Diff line change
Expand Up @@ -49,7 +49,6 @@ int handle_vm86_trap(struct kernel_vm86_regs *, long, int);
void save_v86_state(struct kernel_vm86_regs *, int);

struct task_struct;
void release_vm86_irqs(struct task_struct *);

#define free_vm86(t) do { \
struct thread_struct *__t = (t); \
Expand All @@ -59,6 +58,20 @@ void release_vm86_irqs(struct task_struct *);
} \
} while (0)

/*
* Support for VM86 programs to request interrupts for
* real mode hardware drivers:
*/
#define FIRST_VM86_IRQ 3
#define LAST_VM86_IRQ 15

static inline int invalid_vm86_irq(int irq)
{
return irq < FIRST_VM86_IRQ || irq > LAST_VM86_IRQ;
}

void release_vm86_irqs(struct task_struct *);

#else

#define handle_vm86_fault(a, b)
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