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| author | Mark Johnston <markj@FreeBSD.org> | 2024-07-29 01:41:06 +0000 |
|---|---|---|
| committer | Mark Johnston <markj@FreeBSD.org> | 2024-07-29 01:43:49 +0000 |
| commit | d37286b9bf92ec923ab6823bbedef9e39e7e1ebb (patch) | |
| tree | 07d8e43fc9256abcb4571bb686014434d5eafc99 /sys/compat/linuxkpi/common | |
| parent | 472888018ce141227f8b019b6663739c36bc608c (diff) | |
| download | src-d37286b9bf92ec923ab6823bbedef9e39e7e1ebb.tar.gz src-d37286b9bf92ec923ab6823bbedef9e39e7e1ebb.zip | |
proc: Remove kernel stack swapping support, part 7
Remove some uses of PHOLD which were there only to prevent the process'
threads from being swapped out.
Tested by: pho
Reviewed by: imp, kib
Differential Revision: https://reviews.freebsd.org/D46118
Diffstat (limited to 'sys/compat/linuxkpi/common')
| -rw-r--r-- | sys/compat/linuxkpi/common/src/linux_schedule.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/sys/compat/linuxkpi/common/src/linux_schedule.c b/sys/compat/linuxkpi/common/src/linux_schedule.c index 66b339bfbdbd..3349a4aa8d72 100644 --- a/sys/compat/linuxkpi/common/src/linux_schedule.c +++ b/sys/compat/linuxkpi/common/src/linux_schedule.c @@ -268,11 +268,6 @@ linux_wait_event_common(wait_queue_head_t *wqh, wait_queue_t *wq, int timeout, task = current; - /* - * Our wait queue entry is on the stack - make sure it doesn't - * get swapped out while we sleep. - */ - PHOLD(task->task_thread->td_proc); sleepq_lock(task); if (atomic_read(&task->state) != TASK_WAKING) { ret = linux_add_to_sleepqueue(task, task, "wevent", timeout, @@ -281,7 +276,6 @@ linux_wait_event_common(wait_queue_head_t *wqh, wait_queue_t *wq, int timeout, sleepq_release(task); ret = 0; } - PRELE(task->task_thread->td_proc); if (lock != NULL) spin_lock_irq(lock); |