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Kernel: Fix kernel panic when blocking on the process' big lock

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Another thread might end up marking the blocking thread as holding
the lock before it gets a chance to finish invoking the scheduler.
This commit is contained in:
Gunnar Beutner 2021-08-10 21:20:45 +02:00 • committed by Andreas Kling
parent 309a20c014
commit 3322efd4cd
3 changed files with 17 additions and 8 deletions
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2
Kernel/Syscalls/sched.cpp
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@ -12,7 +12,7 @@ KResultOr<FlatPtr> Process::sys$yield()
{
VERIFY_NO_PROCESS_BIG_LOCK(this);
REQUIRE_PROMISE(stdio);
Thread::current()->yield_assuming_not_holding_big_lock();
Thread::current()->yield_without_releasing_big_lock();
return 0;
}