CE copy fix deadlock, libu fr/fw fix missing volume_close () on failure, XHCI use ring-specific pending flags, usbdrv Fix spin_unlock/free ordering

2026-04-13 22:47:28 +02:00
parent 9f216ffc49
commit 16cb7fd7bd
9 changed files with 139 additions and 102 deletions
--- a/usb/usb.c
+++ b/usb/usb.c
@@ -32,8 +32,12 @@ static void usb_poll (void) {
    for (;;) {
      device_do (info.key, XUSBCTRL_POLL_DRIVER, NULL, NULL, NULL, NULL);

-      for (volatile int i = 0; i < 500; i++)
+      for (volatile int i = 0; i < 1000; i++) {
        sched ();
+#if defined(__x86_64__)
+        __asm__ volatile ("pause" ::: "memory");
+#endif
+      }
    }
  }