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Kernel: Convert Processor::in_irq() to static current_in_irq()

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This closes the race window between Processor::current() and a context
switch happening before in_irq().
This commit is contained in:
Andreas Kling 2021-08-22 12:21:31 +02:00
parent 3e3f760808
commit d60635cb9d
14 changed files with 37 additions and 39 deletions
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4
Kernel/Thread.h
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@ -847,7 +847,7 @@ public:
template<typename BlockerType, class... Args>
[[nodiscard]] BlockResult block(const BlockTimeout& timeout, Args&&... args)
{
VERIFY(!Processor::current().in_irq());
VERIFY(!Processor::current_in_irq());
VERIFY(this == Thread::current());
ScopedCritical critical;
VERIFY(!Memory::s_mm_lock.own_lock());
@ -889,7 +889,7 @@ public:
// Process::kill_all_threads may be called at any time, which will mark all
// threads to die. In that case
timer_was_added = TimerQueue::the().add_timer_without_id(*m_block_timer, block_timeout.clock_id(), block_timeout.absolute_time(), [&]() {
VERIFY(!Processor::current().in_irq());
VERIFY(!Processor::current_in_irq());
VERIFY(!g_scheduler_lock.own_lock());
VERIFY(!m_block_lock.own_lock());
// NOTE: this may execute on the same or any other processor!