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vmm: redo tlb shootdowns

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Matheus
2024-09-16 21:37:10 -03:00
parent 80abd907a8
commit f47236f7eb
3 changed files with 51 additions and 13 deletions
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kernel-src/io/fb.c
+3 -2
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@@ -156,10 +156,11 @@ static int mmap(int minor, void *addr, uintmax_t offset, int flags) {
static int munmap(int minor, void *addr, uintmax_t offset, int flags) {
void *phys = arch_mmu_getphysical(current_vmm_context()->pagetable, addr);
bool release = (flags & V_FFLAGS_SHARED) && arch_mmu_iswritable(current_vmm_context()->pagetable, addr);
arch_mmu_unmap(current_vmm_context()->pagetable, addr);
if ((flags & V_FFLAGS_SHARED) == 0) {
arch_mmu_invalidate_range(addr, PAGE_SIZE);
if (release)
pmm_release(phys);
}
return 0;
}