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Kernel/x86: Re-enable interrupts ASAP when handling page faults

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As soon as we've saved CR2 (the faulting address), we can re-enable
interrupt processing. This should make the kernel more responsive under
heavy fault loads.
This commit is contained in:
Andreas Kling
2022-08-19 12:14:46 +02:00
parent 037f1ae979
commit a84d893af8
Notes: sideshowbarker 2024-07-17 11:30:05 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/a84d893af8
4 changed files with 5 additions and 7 deletions
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2
Kernel/Memory/MemoryManager.cpp
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@@ -715,8 +715,6 @@ Region* MemoryManager::find_region_from_vaddr(VirtualAddress vaddr)
PageFaultResponse MemoryManager::handle_page_fault(PageFault const& fault)
{
VERIFY_INTERRUPTS_DISABLED();
auto faulted_in_range = [&fault](auto const* start, auto const* end) {
return fault.vaddr() >= VirtualAddress { start } && fault.vaddr() < VirtualAddress { end };
};