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author | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-08-06 12:42:33 -0500 |
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committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-08-06 12:42:33 -0500 |
commit | 00dd7b7d26a3bf3780cfcebfdde2b86126b3a082 (patch) | |
tree | 5129fd1abc99d0c58a520938f28bf330ae94ef30 /kernel/sched.c | |
parent | 58b3ac07fed31ffc1349380b78305af6522fe1f4 (diff) | |
parent | 6e1e63259b1e01f047796e7985d960ca040993e6 (diff) | |
download | talos-obmc-linux-00dd7b7d26a3bf3780cfcebfdde2b86126b3a082.tar.gz talos-obmc-linux-00dd7b7d26a3bf3780cfcebfdde2b86126b3a082.zip |
Merge ../linux-2.6
Conflicts:
arch/ia64/hp/sim/simscsi.c
Stylistic differences in two separate fixes for buffer->request_buffer
problem.
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'kernel/sched.c')
-rw-r--r-- | kernel/sched.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index b44b9a43b0fc..a2be2d055299 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -4456,9 +4456,9 @@ asmlinkage long sys_sched_yield(void) return 0; } -static inline int __resched_legal(void) +static inline int __resched_legal(int expected_preempt_count) { - if (unlikely(preempt_count())) + if (unlikely(preempt_count() != expected_preempt_count)) return 0; if (unlikely(system_state != SYSTEM_RUNNING)) return 0; @@ -4484,7 +4484,7 @@ static void __cond_resched(void) int __sched cond_resched(void) { - if (need_resched() && __resched_legal()) { + if (need_resched() && __resched_legal(0)) { __cond_resched(); return 1; } @@ -4510,7 +4510,7 @@ int cond_resched_lock(spinlock_t *lock) ret = 1; spin_lock(lock); } - if (need_resched() && __resched_legal()) { + if (need_resched() && __resched_legal(1)) { spin_release(&lock->dep_map, 1, _THIS_IP_); _raw_spin_unlock(lock); preempt_enable_no_resched(); @@ -4526,7 +4526,7 @@ int __sched cond_resched_softirq(void) { BUG_ON(!in_softirq()); - if (need_resched() && __resched_legal()) { + if (need_resched() && __resched_legal(0)) { raw_local_irq_disable(); _local_bh_enable(); raw_local_irq_enable(); @@ -6494,7 +6494,12 @@ static int build_sched_domains(const cpumask_t *cpu_map) for (i = 0; i < MAX_NUMNODES; i++) init_numa_sched_groups_power(sched_group_nodes[i]); - init_numa_sched_groups_power(sched_group_allnodes); + if (sched_group_allnodes) { + int group = cpu_to_allnodes_group(first_cpu(*cpu_map)); + struct sched_group *sg = &sched_group_allnodes[group]; + + init_numa_sched_groups_power(sg); + } #endif /* Attach the domains */ @@ -6761,6 +6766,11 @@ void __init sched_init(void) } set_load_weight(&init_task); + +#ifdef CONFIG_RT_MUTEXES + plist_head_init(&init_task.pi_waiters, &init_task.pi_lock); +#endif + /* * The boot idle thread does lazy MMU switching as well: */ |