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Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Browse source 
Pull scheduler updates from Ingo Molnar:
 "The main changes in this cycle were:

   - another round of rq-clock handling debugging, robustization and
     fixes

   - PELT accounting improvements

   - CPU hotplug related ->cpus_allowed affinity handling fixes all
     around the tree

   - ... plus misc fixes, cleanups and updates"

* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (35 commits)
  sched/x86: Update reschedule warning text
  crypto: N2 - Replace racy task affinity logic
  cpufreq/sparc-us2e: Replace racy task affinity logic
  cpufreq/sparc-us3: Replace racy task affinity logic
  cpufreq/sh: Replace racy task affinity logic
  cpufreq/ia64: Replace racy task affinity logic
  ACPI/processor: Replace racy task affinity logic
  ACPI/processor: Fix error handling in __acpi_processor_start()
  sparc/sysfs: Replace racy task affinity logic
  powerpc/smp: Replace open coded task affinity logic
  ia64/sn/hwperf: Replace racy task affinity logic
  ia64/salinfo: Replace racy task affinity logic
  workqueue: Provide work_on_cpu_safe()
  ia64/topology: Remove cpus_allowed manipulation
  sched/fair: Move the PELT constants into a generated header
  sched/fair: Increase PELT accuracy for small tasks
  sched/fair: Fix comments
  sched/Documentation: Add 'sched-pelt' tool
  sched/fair: Fix corner case in __accumulate_sum()
  sched/core: Remove 'task' parameter and rename tsk_restore_flags() to current_restore_flags()
  ...
This commit is contained in:
Linus Torvalds 2017-05-01 19:12:53 -07:00
commit 3527d3e951
29 changed files with 847 additions and 544 deletions
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31
drivers/crypto/n2_core.c
View file

@ -65,6 +65,11 @@ struct spu_queue {
struct list_head list;
};
struct spu_qreg {
struct spu_queue *queue;
unsigned long type;
};
static struct spu_queue **cpu_to_cwq;
static struct spu_queue **cpu_to_mau;
@ -1631,31 +1636,27 @@ static void queue_cache_destroy(void)
kmem_cache_destroy(queue_cache[HV_NCS_QTYPE_CWQ - 1]);
}
static int spu_queue_register(struct spu_queue *p, unsigned long q_type)
static long spu_queue_register_workfn(void *arg)
{
cpumask_var_t old_allowed;
struct spu_qreg *qr = arg;
struct spu_queue *p = qr->queue;
unsigned long q_type = qr->type;
unsigned long hv_ret;
if (cpumask_empty(&p->sharing))
return -EINVAL;
if (!alloc_cpumask_var(&old_allowed, GFP_KERNEL))
return -ENOMEM;
cpumask_copy(old_allowed, &current->cpus_allowed);
set_cpus_allowed_ptr(current, &p->sharing);
hv_ret = sun4v_ncs_qconf(q_type, __pa(p->q),
CWQ_NUM_ENTRIES, &p->qhandle);
if (!hv_ret)
sun4v_ncs_sethead_marker(p->qhandle, 0);
set_cpus_allowed_ptr(current, old_allowed);
return hv_ret ? -EINVAL : 0;
}
free_cpumask_var(old_allowed);
static int spu_queue_register(struct spu_queue *p, unsigned long q_type)
{
int cpu = cpumask_any_and(&p->sharing, cpu_online_mask);
struct spu_qreg qr = { .queue = p, .type = q_type };
return (hv_ret ? -EINVAL : 0);
return work_on_cpu_safe(cpu, spu_queue_register_workfn, &qr);
}
static int spu_queue_setup(struct spu_queue *p)