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| author | Maarten Lankhorst <[email protected]> | 2025-07-08 14:49:07 +0000 |
|---|---|---|
| committer | Maarten Lankhorst <[email protected]> | 2025-07-08 14:49:07 +0000 |
| commit | e21354aea4b4420b53c44e36828607a7c94a994c (patch) | |
| tree | 003636d3a15eaebe9b948f9f8db6ad9e52a7e12c /io_uring/fdinfo.c | |
| parent | drm/tegra: Use dma_buf from GEM object instance (diff) | |
| parent | Merge tag 'drm-msm-next-2025-07-05' of https://gitlab.freedesktop.org/drm/msm... (diff) | |
| download | kernel-e21354aea4b4420b53c44e36828607a7c94a994c.tar.gz kernel-e21354aea4b4420b53c44e36828607a7c94a994c.zip | |
Merge remote-tracking branch 'drm/drm-next' into drm-misc-next
Pull in drm-intel-next for the updates to drm panic handling.
Signed-off-by: Maarten Lankhorst <[email protected]>
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(); } } |