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mm: properly implement page locking

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Matheus
2026-07-08 01:37:12 -03:00
parent af30088c0d
commit 1512b2f3c6
14 changed files with 123 additions and 45 deletions
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kernel-src/io/usb/ctrl/xhci.c
+7 -2
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@@ -27,8 +27,13 @@ static void xhci_signal_callback_thread(xhci_ctrl_t *xhci) {
static void xhci_release_submission_page(xhci_submission_t *submission) {
uint32_t cmd_type = xhci_trb_type(&submission->cmd_trb);
if ((cmd_type == TRB_NORMAL || cmd_type == TRB_DATA_STAGE) && submission->cmd_trb.parameters != 0)
mm_release_page((void *)(submission->cmd_trb.parameters & ~(PAGE_SIZE - 1)));
if ((cmd_type == TRB_NORMAL || cmd_type == TRB_DATA_STAGE) && submission->cmd_trb.parameters != 0) {
void *page = (void *)(submission->cmd_trb.parameters & ~(PAGE_SIZE - 1));
if (submission->unlock_pages)
mm_unlock_and_release_page(page);
else
mm_release_page(page);
}
}
static bool xhci_reclaim_submission_slot(xhci_submission_t *slot, xhci_submission_t *submission) {