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nvmm: preempt_disable should be able to be nested.

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May fix #20224.

Change-Id: Ide859c35c76b525af1dd6bc5ab3b640e89039503
Reviewed-on: https://review.haiku-os.org/c/haiku/+/11415
Reviewed-by: waddlesplash <[email protected]>
(cherry picked from commit 4fc9b717c3e4e5d22a9d434b25c032f78a56f5c4)
Reviewed-on: https://review.haiku-os.org/c/haiku/+/11418
This commit is contained in:
Augustin Cavalier
2026-08-04 16:20:37 +00:00
committed by waddlesplash
parent b87d2919ef
commit f70d950766
1 changed files with 3 additions and 2 deletions
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src/add-ons/kernel/drivers/nvmm/nvmm_haiku.cpp
+3 -2
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@@ -192,14 +192,15 @@ haiku_thread_unpin()
extern "C" void extern "C" void
os_preempt_disable() os_preempt_disable()
{ {
thread_get_current_thread()->cpu->reschedule_disabled = true; thread_get_current_thread()->cpu->reschedule_disabled++;
} }
extern "C" void extern "C" void
os_preempt_enable() os_preempt_enable()
{ {
thread_get_current_thread()->cpu->reschedule_disabled = false; ASSERT(os_preempt_disabled());
thread_get_current_thread()->cpu->reschedule_disabled--;
if (os_return_needed()) if (os_return_needed())
scheduler_reschedule_if_necessary(); scheduler_reschedule_if_necessary();
} }