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authorRusty Russell <rusty@rustcorp.com.au>2007-10-19 14:35:03 -0400
committerThomas Gleixner <tglx@linutronix.de>2007-10-19 14:35:03 -0400
commitdbeb2be21d678c49a8d8bbf774903df15dd55474 (patch)
treecea1b478ec3af36134aa06633be1a45787f35f75 /include/asm-x86/irq_32.h
parent39743c9ef717fd4f2b5583f010115c5f2482b8ae (diff)
i386: introduce "used_vectors" bitmap which can be used to reserve vectors.
This simplifies the io_apic.c __assign_irq_vector() logic and removes the explicit SYSCALL_VECTOR check, and also allows for vectors to be reserved by other mechanisms (ie. lguest). [ tglx: arch/x86 adaptation ] Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86/irq_32.h')
-rw-r--r--include/asm-x86/irq_32.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/asm-x86/irq_32.h b/include/asm-x86/irq_32.h
index 36f310632c49..aca9c96e8e6b 100644
--- a/include/asm-x86/irq_32.h
+++ b/include/asm-x86/irq_32.h
@@ -45,4 +45,7 @@ unsigned int do_IRQ(struct pt_regs *regs);
45void init_IRQ(void); 45void init_IRQ(void);
46void __init native_init_IRQ(void); 46void __init native_init_IRQ(void);
47 47
48/* Interrupt vector management */
49extern DECLARE_BITMAP(used_vectors, NR_VECTORS);
50
48#endif /* _ASM_IRQ_H */ 51#endif /* _ASM_IRQ_H */