VMM: When unmapping a page, invalidate the TLB for that page

2022-10-12 14:24:34 +02:00 · 2022-10-12 14:24:34 +02:00 · 525d567af6
commit 525d567af6
parent c9ebe89899
1 changed files with 2 additions and 0 deletions
--- a/kernel/src/memory/VMM.cpp
+++ b/kernel/src/memory/VMM.cpp
@ -57,6 +57,8 @@ namespace Paging
        PDE = PT->entries[P_i];
        PDE.Present = false;
        PT->entries[P_i] = PDE;
+    invalidate:
+        asm volatile("invlpg (%0)" : : "r"(virtualAddress) : "memory");
    }

    uint64_t VirtualMemoryManager::getPhysical(uint64_t virtualAddress)