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Kernel/SMP: Make entering/leaving critical sections multi-processor safe
By making these functions static we close a window where we could get preempted after calling Processor::current() and move to another processor. Co-authored-by: Tom <tomut@yahoo.com>
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11 changed files with 82 additions and 53 deletions
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@ -921,9 +921,9 @@ public:
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for (;;) {
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// Yield to the scheduler, and wait for us to resume unblocked.
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VERIFY(!g_scheduler_lock.own_lock());
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VERIFY(Processor::current().in_critical());
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VERIFY(Processor::in_critical());
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yield_assuming_not_holding_big_lock();
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VERIFY(Processor::current().in_critical());
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VERIFY(Processor::in_critical());
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ScopedSpinLock block_lock2(m_block_lock);
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if (should_be_stopped() || state() == Stopped) {
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