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

This closes the race window between Processor::current() and a context
switch happening before in_irq().

1 files changed, 4 insertions, 4 deletions

diff --git a/Kernel/Locking/Mutex.cpp b/Kernel/Locking/Mutex.cpp
index b7271fbf07..829001958b 100644
--- a/Kernel/Locking/Mutex.cpp
+++ b/Kernel/Locking/Mutex.cpp
@@ -17,7 +17,7 @@ void Mutex::lock(Mode mode, [[maybe_unused]] LockLocation const& location)
 {
     // NOTE: This may be called from an interrupt handler (not an IRQ handler)
     // and also from within critical sections!
-    VERIFY(!Processor::current().in_irq());
+    VERIFY(!Processor::current_in_irq());
     VERIFY(mode != Mode::Unlocked);
     auto current_thread = Thread::current();
 
@@ -143,7 +143,7 @@ void Mutex::unlock()
 {
     // NOTE: This may be called from an interrupt handler (not an IRQ handler)
     // and also from within critical sections!
-    VERIFY(!Processor::current().in_irq());
+    VERIFY(!Processor::current_in_irq());
     auto current_thread = Thread::current();
     SpinlockLocker lock(m_lock);
     Mode current_mode = m_mode;
@@ -253,7 +253,7 @@ auto Mutex::force_unlock_if_locked(u32& lock_count_to_restore) -> Mode
 {
     // NOTE: This may be called from an interrupt handler (not an IRQ handler)
     // and also from within critical sections!
-    VERIFY(!Processor::current().in_irq());
+    VERIFY(!Processor::current_in_irq());
     auto current_thread = Thread::current();
     SpinlockLocker lock(m_lock);
     auto current_mode = m_mode;
@@ -316,7 +316,7 @@ void Mutex::restore_lock(Mode mode, u32 lock_count, [[maybe_unused]] LockLocatio
 {
     VERIFY(mode != Mode::Unlocked);
     VERIFY(lock_count > 0);
-    VERIFY(!Processor::current().in_irq());
+    VERIFY(!Processor::current_in_irq());
     auto current_thread = Thread::current();
     bool did_block = false;
     SpinlockLocker lock(m_lock);