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Date: Mon, 2 Mar 2015 22:05:46 +1030
From: Rusty Russell <rusty@...tcorp.com.au>
To: linux-kernel@...r.kernel.org
Cc: Rusty Russell <rusty@...tcorp.com.au>,
Oleg Drokin <green@...uxhacker.ru>
Subject: [PATCH 05/16] staging/lustre: fix up obsolete cpu function usage.
They triggered this cleanup, so I've separated their patch in the assumption
they've already combed their code.
Signed-off-by: Rusty Russell <rusty@...tcorp.com.au>
Cc: Oleg Drokin <green@...uxhacker.ru>
---
.../staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c | 4 +-
.../staging/lustre/lustre/libcfs/linux/linux-cpu.c | 88 +++++++++++-----------
drivers/staging/lustre/lustre/ptlrpc/ptlrpcd.c | 6 +-
drivers/staging/lustre/lustre/ptlrpc/service.c | 4 +-
4 files changed, 52 insertions(+), 50 deletions(-)
diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c
index 651016919669..a25816ab9e53 100644
--- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c
+++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c
@@ -638,8 +638,8 @@ kiblnd_get_completion_vector(kib_conn_t *conn, int cpt)
return 0;
/* hash NID to CPU id in this partition... */
- off = do_div(nid, cpus_weight(*mask));
- for_each_cpu_mask(i, *mask) {
+ off = do_div(nid, cpumask_weight(mask));
+ for_each_cpu(i, mask) {
if (off-- == 0)
return i % vectors;
}
diff --git a/drivers/staging/lustre/lustre/libcfs/linux/linux-cpu.c b/drivers/staging/lustre/lustre/libcfs/linux/linux-cpu.c
index 05f7595f18aa..c8fca8aae848 100644
--- a/drivers/staging/lustre/lustre/libcfs/linux/linux-cpu.c
+++ b/drivers/staging/lustre/lustre/libcfs/linux/linux-cpu.c
@@ -204,7 +204,7 @@ cfs_cpt_table_print(struct cfs_cpt_table *cptab, char *buf, int len)
}
tmp += rc;
- for_each_cpu_mask(j, *cptab->ctb_parts[i].cpt_cpumask) {
+ for_each_cpu(j, cptab->ctb_parts[i].cpt_cpumask) {
rc = snprintf(tmp, len, "%d ", j);
len -= rc;
if (len <= 0) {
@@ -240,8 +240,8 @@ cfs_cpt_weight(struct cfs_cpt_table *cptab, int cpt)
LASSERT(cpt == CFS_CPT_ANY || (cpt >= 0 && cpt < cptab->ctb_nparts));
return cpt == CFS_CPT_ANY ?
- cpus_weight(*cptab->ctb_cpumask) :
- cpus_weight(*cptab->ctb_parts[cpt].cpt_cpumask);
+ cpumask_weight(cptab->ctb_cpumask) :
+ cpumask_weight(cptab->ctb_parts[cpt].cpt_cpumask);
}
EXPORT_SYMBOL(cfs_cpt_weight);
@@ -251,8 +251,9 @@ cfs_cpt_online(struct cfs_cpt_table *cptab, int cpt)
LASSERT(cpt == CFS_CPT_ANY || (cpt >= 0 && cpt < cptab->ctb_nparts));
return cpt == CFS_CPT_ANY ?
- any_online_cpu(*cptab->ctb_cpumask) != NR_CPUS :
- any_online_cpu(*cptab->ctb_parts[cpt].cpt_cpumask) != NR_CPUS;
+ cpumask_any_and(cptab->ctb_cpumask, cpu_online_mask) != NR_CPUS :
+ cpumask_any_and(cptab->ctb_parts[cpt].cpt_cpumask,
+ cpu_online_mask) != NR_CPUS;
}
EXPORT_SYMBOL(cfs_cpt_online);
@@ -296,11 +297,11 @@ cfs_cpt_set_cpu(struct cfs_cpt_table *cptab, int cpt, int cpu)
cptab->ctb_cpu2cpt[cpu] = cpt;
- LASSERT(!cpu_isset(cpu, *cptab->ctb_cpumask));
- LASSERT(!cpu_isset(cpu, *cptab->ctb_parts[cpt].cpt_cpumask));
+ LASSERT(!cpumask_test_cpu(cpu, cptab->ctb_cpumask));
+ LASSERT(!cpumask_test_cpu(cpu, cptab->ctb_parts[cpt].cpt_cpumask));
- cpu_set(cpu, *cptab->ctb_cpumask);
- cpu_set(cpu, *cptab->ctb_parts[cpt].cpt_cpumask);
+ cpumask_set_cpu(cpu, cptab->ctb_cpumask);
+ cpumask_set_cpu(cpu, cptab->ctb_parts[cpt].cpt_cpumask);
node = cpu_to_node(cpu);
@@ -344,11 +345,11 @@ cfs_cpt_unset_cpu(struct cfs_cpt_table *cptab, int cpt, int cpu)
return;
}
- LASSERT(cpu_isset(cpu, *cptab->ctb_parts[cpt].cpt_cpumask));
- LASSERT(cpu_isset(cpu, *cptab->ctb_cpumask));
+ LASSERT(cpumask_test_cpu(cpu, cptab->ctb_parts[cpt].cpt_cpumask));
+ LASSERT(cpumask_test_cpu(cpu, cptab->ctb_cpumask));
- cpu_clear(cpu, *cptab->ctb_parts[cpt].cpt_cpumask);
- cpu_clear(cpu, *cptab->ctb_cpumask);
+ cpumask_clear_cpu(cpu, cptab->ctb_parts[cpt].cpt_cpumask);
+ cpumask_clear_cpu(cpu, cptab->ctb_cpumask);
cptab->ctb_cpu2cpt[cpu] = -1;
node = cpu_to_node(cpu);
@@ -356,7 +357,7 @@ cfs_cpt_unset_cpu(struct cfs_cpt_table *cptab, int cpt, int cpu)
LASSERT(node_isset(node, *cptab->ctb_parts[cpt].cpt_nodemask));
LASSERT(node_isset(node, *cptab->ctb_nodemask));
- for_each_cpu_mask(i, *cptab->ctb_parts[cpt].cpt_cpumask) {
+ for_each_cpu(i, cptab->ctb_parts[cpt].cpt_cpumask) {
/* this CPT has other CPU belonging to this node? */
if (cpu_to_node(i) == node)
break;
@@ -365,7 +366,7 @@ cfs_cpt_unset_cpu(struct cfs_cpt_table *cptab, int cpt, int cpu)
if (i == NR_CPUS)
node_clear(node, *cptab->ctb_parts[cpt].cpt_nodemask);
- for_each_cpu_mask(i, *cptab->ctb_cpumask) {
+ for_each_cpu(i, cptab->ctb_cpumask) {
/* this CPT-table has other CPU belonging to this node? */
if (cpu_to_node(i) == node)
break;
@@ -383,13 +384,13 @@ cfs_cpt_set_cpumask(struct cfs_cpt_table *cptab, int cpt, cpumask_t *mask)
{
int i;
- if (cpus_weight(*mask) == 0 || any_online_cpu(*mask) == NR_CPUS) {
+ if (cpumask_weight(mask) == 0 || cpumask_any_and(mask, cpu_online_mask) == NR_CPUS) {
CDEBUG(D_INFO, "No online CPU is found in the CPU mask for CPU partition %d\n",
cpt);
return 0;
}
- for_each_cpu_mask(i, *mask) {
+ for_each_cpu(i, mask) {
if (!cfs_cpt_set_cpu(cptab, cpt, i))
return 0;
}
@@ -403,7 +404,7 @@ cfs_cpt_unset_cpumask(struct cfs_cpt_table *cptab, int cpt, cpumask_t *mask)
{
int i;
- for_each_cpu_mask(i, *mask)
+ for_each_cpu(i, mask)
cfs_cpt_unset_cpu(cptab, cpt, i);
}
EXPORT_SYMBOL(cfs_cpt_unset_cpumask);
@@ -493,7 +494,7 @@ cfs_cpt_clear(struct cfs_cpt_table *cptab, int cpt)
}
for (; cpt <= last; cpt++) {
- for_each_cpu_mask(i, *cptab->ctb_parts[cpt].cpt_cpumask)
+ for_each_cpu(i, cptab->ctb_parts[cpt].cpt_cpumask)
cfs_cpt_unset_cpu(cptab, cpt, i);
}
}
@@ -578,14 +579,14 @@ cfs_cpt_bind(struct cfs_cpt_table *cptab, int cpt)
nodemask = cptab->ctb_parts[cpt].cpt_nodemask;
}
- if (any_online_cpu(*cpumask) == NR_CPUS) {
+ if (cpumask_any_and(cpumask, cpu_online_mask) == NR_CPUS) {
CERROR("No online CPU found in CPU partition %d, did someone do CPU hotplug on system? You might need to reload Lustre modules to keep system working well.\n",
cpt);
return -EINVAL;
}
for_each_online_cpu(i) {
- if (cpu_isset(i, *cpumask))
+ if (cpumask_test_cpu(i, cpumask))
continue;
rc = set_cpus_allowed_ptr(current, cpumask);
@@ -616,14 +617,14 @@ cfs_cpt_choose_ncpus(struct cfs_cpt_table *cptab, int cpt,
LASSERT(number > 0);
- if (number >= cpus_weight(*node)) {
- while (!cpus_empty(*node)) {
- cpu = first_cpu(*node);
+ if (number >= cpumask_weight(node)) {
+ while (!cpumask_empty(node)) {
+ cpu = cpumask_first(node);
rc = cfs_cpt_set_cpu(cptab, cpt, cpu);
if (!rc)
return -EINVAL;
- cpu_clear(cpu, *node);
+ cpumask_clear_cpu(cpu, node);
}
return 0;
}
@@ -636,27 +637,27 @@ cfs_cpt_choose_ncpus(struct cfs_cpt_table *cptab, int cpt,
goto out;
}
- while (!cpus_empty(*node)) {
- cpu = first_cpu(*node);
+ while (!cpumask_empty(node)) {
+ cpu = cpumask_first(node);
/* get cpumask for cores in the same socket */
cfs_cpu_core_siblings(cpu, socket);
- cpus_and(*socket, *socket, *node);
+ cpumask_and(socket, socket, node);
- LASSERT(!cpus_empty(*socket));
+ LASSERT(!cpumask_empty(socket));
- while (!cpus_empty(*socket)) {
+ while (!cpumask_empty(socket)) {
int i;
/* get cpumask for hts in the same core */
cfs_cpu_ht_siblings(cpu, core);
- cpus_and(*core, *core, *node);
+ cpumask_and(core, core, node);
- LASSERT(!cpus_empty(*core));
+ LASSERT(!cpumask_empty(core));
- for_each_cpu_mask(i, *core) {
- cpu_clear(i, *socket);
- cpu_clear(i, *node);
+ for_each_cpu(i, core) {
+ cpumask_clear_cpu(i, socket);
+ cpumask_clear_cpu(i, node);
rc = cfs_cpt_set_cpu(cptab, cpt, i);
if (!rc) {
@@ -667,7 +668,7 @@ cfs_cpt_choose_ncpus(struct cfs_cpt_table *cptab, int cpt,
if (--number == 0)
goto out;
}
- cpu = first_cpu(*socket);
+ cpu = cpumask_first(socket);
}
}
@@ -767,7 +768,7 @@ cfs_cpt_table_create(int ncpt)
for_each_online_node(i) {
cfs_node_to_cpumask(i, mask);
- while (!cpus_empty(*mask)) {
+ while (!cpumask_empty(mask)) {
struct cfs_cpu_partition *part;
int n;
@@ -776,24 +777,24 @@ cfs_cpt_table_create(int ncpt)
part = &cptab->ctb_parts[cpt];
- n = num - cpus_weight(*part->cpt_cpumask);
+ n = num - cpumask_weight(part->cpt_cpumask);
LASSERT(n > 0);
rc = cfs_cpt_choose_ncpus(cptab, cpt, mask, n);
if (rc < 0)
goto failed;
- LASSERT(num >= cpus_weight(*part->cpt_cpumask));
- if (num == cpus_weight(*part->cpt_cpumask))
+ LASSERT(num >= cpumask_weight(part->cpt_cpumask));
+ if (num == cpumask_weight(part->cpt_cpumask))
cpt++;
}
}
if (cpt != ncpt ||
- num != cpus_weight(*cptab->ctb_parts[ncpt - 1].cpt_cpumask)) {
+ num != cpumask_weight(cptab->ctb_parts[ncpt - 1].cpt_cpumask)) {
CERROR("Expect %d(%d) CPU partitions but got %d(%d), CPU hotplug/unplug while setting?\n",
cptab->ctb_nparts, num, cpt,
- cpus_weight(*cptab->ctb_parts[ncpt - 1].cpt_cpumask));
+ cpumask_weight(cptab->ctb_parts[ncpt - 1].cpt_cpumask));
goto failed;
}
@@ -965,7 +966,8 @@ cfs_cpu_notify(struct notifier_block *self, unsigned long action, void *hcpu)
mutex_lock(&cpt_data.cpt_mutex);
/* if all HTs in a core are offline, it may break affinity */
cfs_cpu_ht_siblings(cpu, cpt_data.cpt_cpumask);
- warn = any_online_cpu(*cpt_data.cpt_cpumask) >= nr_cpu_ids;
+ warn = cpumask_any_and(cpt_data.cpt_cpumask,
+ cpu_online_mask) >= nr_cpu_ids;
mutex_unlock(&cpt_data.cpt_mutex);
CDEBUG(warn ? D_WARNING : D_INFO,
"Lustre: can't support CPU plug-out well now, performance and stability could be impacted [CPU %u action: %lx]\n",
diff --git a/drivers/staging/lustre/lustre/ptlrpc/ptlrpcd.c b/drivers/staging/lustre/lustre/ptlrpc/ptlrpcd.c
index 4621b71fe0b6..625858b6d793 100644
--- a/drivers/staging/lustre/lustre/ptlrpc/ptlrpcd.c
+++ b/drivers/staging/lustre/lustre/ptlrpc/ptlrpcd.c
@@ -513,8 +513,8 @@ static int ptlrpcd_bind(int index, int max)
int i;
mask = *cpumask_of_node(cpu_to_node(index));
for (i = max; i < num_online_cpus(); i++)
- cpu_clear(i, mask);
- pc->pc_npartners = cpus_weight(mask) - 1;
+ cpumask_clear_cpu(i, &mask);
+ pc->pc_npartners = cpumask_weight(&mask) - 1;
set_bit(LIOD_BIND, &pc->pc_flags);
}
#else
@@ -554,7 +554,7 @@ static int ptlrpcd_bind(int index, int max)
* that are already initialized
*/
for (pidx = 0, i = 0; i < index; i++) {
- if (cpu_isset(i, mask)) {
+ if (cpumask_test_cpu(i, &mask)) {
ppc = &ptlrpcds->pd_threads[i];
pc->pc_partners[pidx++] = ppc;
ppc->pc_partners[ppc->
diff --git a/drivers/staging/lustre/lustre/ptlrpc/service.c b/drivers/staging/lustre/lustre/ptlrpc/service.c
index 635b12b22cef..173803829865 100644
--- a/drivers/staging/lustre/lustre/ptlrpc/service.c
+++ b/drivers/staging/lustre/lustre/ptlrpc/service.c
@@ -558,7 +558,7 @@ ptlrpc_server_nthreads_check(struct ptlrpc_service *svc,
* there are.
*/
cpumask_copy(&mask, topology_thread_cpumask(0));
- if (cpus_weight(mask) > 1) { /* weight is # of HTs */
+ if (cpumask_weight(&mask) > 1) { /* weight is # of HTs */
/* depress thread factor for hyper-thread */
factor = factor - (factor >> 1) + (factor >> 3);
}
@@ -2771,7 +2771,7 @@ int ptlrpc_hr_init(void)
init_waitqueue_head(&ptlrpc_hr.hr_waitq);
cpumask_copy(&mask, topology_thread_cpumask(0));
- weight = cpus_weight(mask);
+ weight = cpumask_weight(&mask);
cfs_percpt_for_each(hrp, i, ptlrpc_hr.hr_partitions) {
hrp->hrp_cpt = i;
--
2.1.0
--
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