x86/paravirt: PTE updates in k(un)map_atomic need to be synchronous, regardless of...
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / kernel / sched_cpupri.h
blob9fc7d386fea4b845f5e3be3183825d00d182cda9
1 #ifndef _LINUX_CPUPRI_H
2 #define _LINUX_CPUPRI_H
4 #include <linux/sched.h>
6 #define CPUPRI_NR_PRIORITIES (MAX_RT_PRIO + 2)
7 #define CPUPRI_NR_PRI_WORDS BITS_TO_LONGS(CPUPRI_NR_PRIORITIES)
9 #define CPUPRI_INVALID -1
10 #define CPUPRI_IDLE 0
11 #define CPUPRI_NORMAL 1
12 /* values 2-101 are RT priorities 0-99 */
14 struct cpupri_vec {
15 raw_spinlock_t lock;
16 int count;
17 cpumask_var_t mask;
20 struct cpupri {
21 struct cpupri_vec pri_to_cpu[CPUPRI_NR_PRIORITIES];
22 long pri_active[CPUPRI_NR_PRI_WORDS];
23 int cpu_to_pri[NR_CPUS];
26 #ifdef CONFIG_SMP
27 int cpupri_find(struct cpupri *cp,
28 struct task_struct *p, struct cpumask *lowest_mask);
29 void cpupri_set(struct cpupri *cp, int cpu, int pri);
30 int cpupri_init(struct cpupri *cp);
31 void cpupri_cleanup(struct cpupri *cp);
32 #else
33 #define cpupri_set(cp, cpu, pri) do { } while (0)
34 #define cpupri_init() do { } while (0)
35 #endif
37 #endif /* _LINUX_CPUPRI_H */