X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=kernel%2Fcpuset.c;h=8ab1b4e518b8909a867595534957dbf3c12cf3d8;hb=580b2e3c0183818adf6151e60270405b02ea8504;hp=e0d296c5b3023148e797aca1dbd0ecc244aa820e;hpb=d10689b68aff7b48e3de1a3f7fcd6567bd2905af;p=linux-2.6 diff --git a/kernel/cpuset.c b/kernel/cpuset.c index e0d296c5b3..8ab1b4e518 100644 --- a/kernel/cpuset.c +++ b/kernel/cpuset.c @@ -627,6 +627,14 @@ static int validate_change(const struct cpuset *cur, const struct cpuset *trial) * Call with cpuset_sem held. May nest a call to the * lock_cpu_hotplug()/unlock_cpu_hotplug() pair. */ + +/* + * Hack to avoid 2.6.13 partial node dynamic sched domain bug. + * Disable letting 'cpu_exclusive' cpusets define dynamic sched + * domains, until the sched domain can handle partial nodes. + * Remove this #if hackery when sched domains fixed. + */ +#if 0 static void update_cpu_domains(struct cpuset *cur) { struct cpuset *c, *par = cur->parent; @@ -635,23 +643,6 @@ static void update_cpu_domains(struct cpuset *cur) if (par == NULL || cpus_empty(cur->cpus_allowed)) return; - /* - * Hack to avoid 2.6.13 partial node dynamic sched domain bug. - * Require the 'cpu_exclusive' cpuset to include all (or none) - * of the CPUs on each node, or return w/o changing sched domains. - * Remove this hack when dynamic sched domains fixed. - */ - { - int i, j; - - for_each_cpu_mask(i, cur->cpus_allowed) { - for_each_cpu_mask(j, node_to_cpumask(cpu_to_node(i))) { - if (!cpu_isset(j, cur->cpus_allowed)) - return; - } - } - } - /* * Get all cpus from parent's cpus_allowed not part of exclusive * children @@ -684,6 +675,11 @@ static void update_cpu_domains(struct cpuset *cur) partition_sched_domains(&pspan, &cspan); unlock_cpu_hotplug(); } +#else +static void update_cpu_domains(struct cpuset *cur) +{ +} +#endif static int update_cpumask(struct cpuset *cs, char *buf) {