tree cea1b478ec3af36134aa06633be1a45787f35f75
parent 39743c9ef717fd4f2b5583f010115c5f2482b8ae
author Rusty Russell <rusty@rustcorp.com.au> 1192818903 +0200
committer Thomas Gleixner <tglx@linutronix.de> 1192818903 +0200

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>