user: implement mlibc as the libc, finally.

It's finally done..

Signed-off-by: kaguya <vpshinomiya@protonmail.com>

src/arch/x86_64/sys/ioapic.c

@@ -237,7 +237,7 @@ void ioapic_init(void) {
              * MEM_PHYS_OFFSET.  Two MMIO registers are accessed (offsets 0 and
              * 0x10) so one 4 KiB page is sufficient.
              *
-             * TODO: Mark the page UC (cache-disable) in the PTE when your VMM
+             * TODO: Mark the page UC (cache-disable) in the PTE when VMM
              *       gains support for PAT / PCD flags.
              */
             uint64_t phys = (uint64_t)e->address;
@@ -343,7 +343,7 @@ void irq_redirect_to_apic(uint8_t isa_irq, uint8_t vector,
 
     /* Mask in the 8259 so it stops firing through LINT0 */
     if (g_Driver) {
-        g_Driver->Mask(isa_irq);        // from your irq.c / i8259
+        g_Driver->Mask(isa_irq);
     }
 
     /* Programme IOAPIC redirection entry */