i386: introduce "used_vectors" bitmap which can be used to reserve vectors.

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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>

...

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Rusty Russell 2007-10-19 20:35:03 +02:00 • committed by Thomas Gleixner

parent 39743c9ef7

commit dbeb2be21d

4 changed files with 23 additions and 6 deletions

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3

include/asm-x86/irq_32.h

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