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Kernel/Memory: Switch the current page table when a new process is scheduled.

master
Subv 2017-07-21 21:28:03 +07:00
parent 6d2734a074
commit c34ec5e77c
1 changed files with 10 additions and 0 deletions
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10
src/core/hle/kernel/thread.cpp
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@ -178,8 +178,18 @@ static void SwitchContext(Thread* new_thread) {
Core::CPU().LoadContext(new_thread->context);
Core::CPU().SetCP15Register(CP15_THREAD_URO, new_thread->GetTLSAddress());
if (!previous_thread || previous_thread->owner_process != current_thread->owner_process) {
Kernel::g_current_process = current_thread->owner_process;
Memory::current_page_table = &Kernel::g_current_process->vm_manager.page_table;
// We have switched processes and thus, page tables, clear the instruction cache so we
// don't keep stale data from the previous process.
Core::CPU().ClearInstructionCache();
}
} else {
current_thread = nullptr;
// Note: We do not reset the current process and current page table when idling because
// technically we haven't changed processes, our threads are just paused.
}
}