../drivers/xen/xenbus/xenbus_client.c: In function ‘xenbus_va_dev_error’:
../drivers/xen/xenbus/xenbus_client.c:304:9: warning: function ‘xenbus_va_dev_error’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format]
  304 |         vsnprintf(printf_buffer + len, PRINTF_BUFFER_SIZE - len, fmt, ap);
      |         ^~~~~~~~~
../arch/x86/kernel/apic/apic.c:2140: warning: Function parameter or struct member 'spurious_interrupt' not described in 'DEFINE_IDTENTRY_IRQ'
../arch/x86/kernel/apic/apic.c:2140: warning: expecting prototype for spurious_interrupt(). Prototype was for DEFINE_IDTENTRY_IRQ() instead
../drivers/hv/channel.c:578: warning: Function parameter or struct member 'size' not described in 'request_arr_init'
../drivers/ntb/msi.c:33: warning: Function parameter or struct member 'desc_changed' not described in 'ntb_msi_init'