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Kernel: Introduce ProcessorSpecific<T> for per-CPU data structures

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To add a new per-CPU data structure, add an ID for it to the
ProcessorSpecificDataID enum.

Then call ProcessorSpecific<T>::initialize() when you are ready to
construct the per-CPU data structure on the current CPU. It can then
be accessed via ProcessorSpecific<T>::get().

This patch replaces the existing hard-coded mechanisms for Scheduler
and MemoryManager per-CPU data structure.
This commit is contained in:
Andreas Kling 2021-07-27 14:30:26 +02:00
parent 559ab00249
commit 1e43292c3b
Notes: sideshowbarker 2024-07-18 08:03:20 +09:00
6 changed files with 46 additions and 38 deletions
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3
Kernel/VM/MemoryManager.cpp
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@ -598,8 +598,7 @@ void MemoryManager::release_pte(PageDirectory& page_directory, VirtualAddress va
UNMAP_AFTER_INIT void MemoryManager::initialize(u32 cpu)
{
auto mm_data = new MemoryManagerData;
Processor::current().set_mm_data(*mm_data);
ProcessorSpecific<MemoryManagerData>::initialize();
if (cpu == 0) {
new MemoryManager;