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IB/qib: Convert old cpumask api into new one 

Adapt to use new APIs.  We plan to remove old one later and plan to
change current->cpus_allowed implementation.

No functional change.

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Acked-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Motohiro KOSAKI 2011-05-19 01:07:05 +00:00 committed by Roland Dreier
parent 52a09a040d
commit 0cd85e6738
1 changed files with 6 additions and 5 deletions
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11
drivers/infiniband/hw/qib/qib_file_ops.c
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@ -1527,6 +1527,7 @@ static int qib_assign_ctxt(struct file *fp, const struct qib_user_info *uinfo)
struct qib_filedata *fd = fp->private_data;
const struct qib_ctxtdata *rcd = fd->rcd;
const struct qib_devdata *dd = rcd->dd;
unsigned int weight;
if (dd->flags & QIB_HAS_SEND_DMA) {
fd->pq = qib_user_sdma_queue_create(&dd->pcidev->dev,
@ -1545,8 +1546,8 @@ static int qib_assign_ctxt(struct file *fp, const struct qib_user_info *uinfo)
* it just means that sooner or later we don't recommend
* a cpu, and let the scheduler do it's best.
*/
if (!ret && cpus_weight(current->cpus_allowed) >=
qib_cpulist_count) {
weight = cpumask_weight(tsk_cpus_allowed(current));
if (!ret && weight >= qib_cpulist_count) {
int cpu;
cpu = find_first_zero_bit(qib_cpulist,
qib_cpulist_count);
@ -1554,13 +1555,13 @@ static int qib_assign_ctxt(struct file *fp, const struct qib_user_info *uinfo)
__set_bit(cpu, qib_cpulist);
fd->rec_cpu_num = cpu;
}
} else if (cpus_weight(current->cpus_allowed) == 1 &&
test_bit(first_cpu(current->cpus_allowed),
} else if (weight == 1 &&
test_bit(cpumask_first(tsk_cpus_allowed(current)),
qib_cpulist))
qib_devinfo(dd->pcidev, "%s PID %u affinity "
"set to cpu %d; already allocated\n",
current->comm, current->pid,
first_cpu(current->cpus_allowed));
cpumask_first(tsk_cpus_allowed(current)));
}
mutex_unlock(&qib_mutex);