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cgroup/rdma: Drop unnecessary READ_ONCE() on event counters

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All accesses to the event counters are serialized by rdmacg_mutex,
making the READ_ONCE() annotations unnecessary. Remove them.

Signed-off-by: Tao Cui <cuitao@kylinos.cn>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Tao Cui
2026-05-16 13:25:37 +08:00
committed by Tejun Heo
parent 1dffd95575
commit 0d25e38658
1 changed files with 8 additions and 8 deletions
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16
kernel/cgroup/rdma.c
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@@ -145,10 +145,10 @@ static bool rpool_has_persistent_state(struct rdmacg_resource_pool *rpool)
*/
for (i = 0; i < RDMACG_RESOURCE_MAX; i++) {
if (rpool->resources[i].peak ||
READ_ONCE(rpool->events_max[i]) ||
READ_ONCE(rpool->events_local_max[i]) ||
READ_ONCE(rpool->events_alloc_fail[i]) ||
READ_ONCE(rpool->events_local_alloc_fail[i]))
rpool->events_max[i] ||
rpool->events_local_max[i] ||
rpool->events_alloc_fail[i] ||
rpool->events_local_alloc_fail[i])
return true;
}
return false;
@@ -654,9 +654,9 @@ static int rdmacg_events_show(struct seq_file *sf, void *v)
for (i = 0; i < RDMACG_RESOURCE_MAX; i++) {
seq_printf(sf, "%s.max=%llu %s.alloc_fail=%llu",
rdmacg_resource_names[i],
rpool ? READ_ONCE(rpool->events_max[i]) : 0ULL,
rpool ? rpool->events_max[i] : 0ULL,
rdmacg_resource_names[i],
rpool ? READ_ONCE(rpool->events_alloc_fail[i]) : 0ULL);
rpool ? rpool->events_alloc_fail[i] : 0ULL);
if (i < RDMACG_RESOURCE_MAX - 1)
seq_putc(sf, ' ');
}
@@ -683,9 +683,9 @@ static int rdmacg_events_local_show(struct seq_file *sf, void *v)
for (i = 0; i < RDMACG_RESOURCE_MAX; i++) {
seq_printf(sf, "%s.max=%llu %s.alloc_fail=%llu",
rdmacg_resource_names[i],
rpool ? READ_ONCE(rpool->events_local_max[i]) : 0ULL,
rpool ? rpool->events_local_max[i] : 0ULL,
rdmacg_resource_names[i],
rpool ? READ_ONCE(rpool->events_local_alloc_fail[i]) : 0ULL);
rpool ? rpool->events_local_alloc_fail[i] : 0ULL);
if (i < RDMACG_RESOURCE_MAX - 1)
seq_putc(sf, ' ');
}