diff --git a/Kernel/Scheduler.cpp b/Kernel/Scheduler.cpp index 31cd4eb898..262c2f35cb 100644 --- a/Kernel/Scheduler.cpp +++ b/Kernel/Scheduler.cpp @@ -316,8 +316,8 @@ bool Scheduler::context_switch(Thread* thread) enter_current(*from_thread, false); VERIFY(thread == Thread::current()); - if (thread->process().is_user_process()) { - auto& regs = Thread::current()->get_register_dump_from_stack(); + if (thread->process().is_user_process() && thread->previous_mode() != Thread::PreviousMode::KernelMode && thread->current_trap()) { + auto& regs = thread->get_register_dump_from_stack(); auto iopl = get_iopl_from_eflags(regs.flags()); if (iopl != 0) { PANIC("Switched to thread {} with non-zero IOPL={}", Thread::current()->tid().value(), iopl); @@ -346,7 +346,7 @@ void Scheduler::enter_current(Thread& prev_thread, bool is_first) } else if (!is_first) { // Check if we have any signals we should deliver (even if we don't // end up switching to another thread). - if (!current_thread->is_in_block() && current_thread->previous_mode() != Thread::PreviousMode::KernelMode) { + if (!current_thread->is_in_block() && current_thread->previous_mode() != Thread::PreviousMode::KernelMode && current_thread->current_trap()) { ScopedSpinLock lock(current_thread->get_lock()); if (current_thread->state() == Thread::Running && current_thread->pending_signals_for_state()) { current_thread->dispatch_one_pending_signal();