diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2023-01-23 09:56:00 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2023-01-23 09:56:00 -0300 |
| commit | 91f67b9a6472a243e2c0630f637ddff0af08038e (patch) | |
| tree | 2ba948b5b9a9c13b3494efb3a4006c15db1cbb37 /kernel/sched/core.c | |
| parent | 5670ebf54bd26482f57a094c53bdc562c106e0a9 (diff) | |
| parent | 2475bf0250dee99b477e0c56d7dc9d7ac3f04117 (diff) | |
Merge remote-tracking branch 'torvalds/master' into perf/core
To pick fixes that went via perf/urgent.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'kernel/sched/core.c')
| -rw-r--r-- | kernel/sched/core.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index bb1ee6d7bdde..e838feb6adc5 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -8290,12 +8290,18 @@ long sched_setaffinity(pid_t pid, const struct cpumask *in_mask) if (retval) goto out_put_task; + /* + * With non-SMP configs, user_cpus_ptr/user_mask isn't used and + * alloc_user_cpus_ptr() returns NULL. + */ user_mask = alloc_user_cpus_ptr(NUMA_NO_NODE); - if (IS_ENABLED(CONFIG_SMP) && !user_mask) { + if (user_mask) { + cpumask_copy(user_mask, in_mask); + } else if (IS_ENABLED(CONFIG_SMP)) { retval = -ENOMEM; goto out_put_task; } - cpumask_copy(user_mask, in_mask); + ac = (struct affinity_context){ .new_mask = in_mask, .user_mask = user_mask, |