[NET]: Document some simple rules for actions
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / include / asm-ia64 / hardirq.h
blob140e495b8e0e841b615a1a1b1c971438638c720b
1 #ifndef _ASM_IA64_HARDIRQ_H
2 #define _ASM_IA64_HARDIRQ_H
4 /*
5 * Modified 1998-2002, 2004 Hewlett-Packard Co
6 * David Mosberger-Tang <davidm@hpl.hp.com>
7 */
10 #include <linux/threads.h>
11 #include <linux/irq.h>
13 #include <asm/processor.h>
16 * No irq_cpustat_t for IA-64. The data is held in the per-CPU data structure.
19 #define __ARCH_IRQ_STAT 1
21 #define local_softirq_pending() (local_cpu_data->softirq_pending)
23 #define HARDIRQ_BITS 14
26 * The hardirq mask has to be large enough to have space for potentially all IRQ sources
27 * in the system nesting on a single CPU:
29 #if (1 << HARDIRQ_BITS) < NR_IRQS
30 # error HARDIRQ_BITS is too low!
31 #endif
33 extern void __iomem *ipi_base_addr;
35 void ack_bad_irq(unsigned int irq);
37 #endif /* _ASM_IA64_HARDIRQ_H */