diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2025-07-09 11:51:34 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2025-07-09 11:51:34 +0200 |
| commit | 068f7b64bf2054e20bbbd0782aa11f6ff8d17105 (patch) | |
| tree | f9f88dfe79f4be4789480dc22f74908b3484a8f8 /io_uring/fdinfo.c | |
| parent | 8959338617a85e35820e3a7fa21801cf55b068bf (diff) | |
| parent | e04c78d86a9699d136910cfc0bdcf01087e3267e (diff) | |
Merge v6.16-rc2 into timers/ptp
to pick up the __GENMASK() fix, otherwise the AUX clock VDSO patches fail
to compile for compat.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'io_uring/fdinfo.c')
| -rw-r--r-- | io_uring/fdinfo.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/io_uring/fdinfo.c b/io_uring/fdinfo.c index e9355276ab5d..9798d6fb4ec7 100644 --- a/io_uring/fdinfo.c +++ b/io_uring/fdinfo.c @@ -141,18 +141,26 @@ static void __io_uring_show_fdinfo(struct io_ring_ctx *ctx, struct seq_file *m) if (ctx->flags & IORING_SETUP_SQPOLL) { struct io_sq_data *sq = ctx->sq_data; + struct task_struct *tsk; + rcu_read_lock(); + tsk = rcu_dereference(sq->thread); /* * sq->thread might be NULL if we raced with the sqpoll * thread termination. */ - if (sq->thread) { + if (tsk) { + get_task_struct(tsk); + rcu_read_unlock(); + getrusage(tsk, RUSAGE_SELF, &sq_usage); + put_task_struct(tsk); sq_pid = sq->task_pid; sq_cpu = sq->sq_cpu; - getrusage(sq->thread, RUSAGE_SELF, &sq_usage); sq_total_time = (sq_usage.ru_stime.tv_sec * 1000000 + sq_usage.ru_stime.tv_usec); sq_work_time = sq->work_time; + } else { + rcu_read_unlock(); } } |