Revert "io_uring/sqpoll: do not allow pinning outside of cpuset"

This reverts commit 33068eaaff.
This commit is contained in:
Ksawlii 2024-11-24 00:22:53 +01:00
parent 2da7fc1273
commit 0a13b31c06

View file

@ -56,7 +56,6 @@
#include <linux/mm.h>
#include <linux/mman.h>
#include <linux/percpu.h>
#include <linux/cpuset.h>
#include <linux/slab.h>
#include <linux/blkdev.h>
#include <linux/bvec.h>
@ -8775,12 +8774,10 @@ static int io_sq_offload_create(struct io_ring_ctx *ctx,
return 0;
if (p->flags & IORING_SETUP_SQ_AFF) {
struct cpumask allowed_mask;
int cpu = p->sq_thread_cpu;
ret = -EINVAL;
cpuset_cpus_allowed(current, &allowed_mask);
if (!cpumask_test_cpu(cpu, &allowed_mask))
if (cpu >= nr_cpu_ids || !cpu_online(cpu))
goto err_sqpoll;
sqd->sq_cpu = cpu;
} else {