tree:   https://github.com/ammarfaizi2/linux-block dhowells/linux-fs/rxrpc-ringless-5
head:   1f5e9c52a8b3bfe1640d577aa4c14f14899570a5
commit: e4d4990ff80e3634385a358e9b251a4351bb528c [46/77] rxrpc: Allow a delay to be injected into packet reception
config: powerpc-allmodconfig
compiler: powerpc-linux-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/ammarfaizi2/linux-block/commit/e4d4990ff80e3634385a358e9b251a4351bb528c
        git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
        git fetch --no-tags ammarfaizi2-block dhowells/linux-fs/rxrpc-ringless-5
        git checkout e4d4990ff80e3634385a358e9b251a4351bb528c
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash net/rxrpc/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   net/rxrpc/io_thread.c: In function 'rxrpc_io_thread':
>> net/rxrpc/io_thread.c:427:17: error: 'now' undeclared (first use in this function); did you mean 'nop'?
     427 |                 now = ktime_get_real();
         |                 ^~~
         |                 nop
   net/rxrpc/io_thread.c:427:17: note: each undeclared identifier is reported only once for each function it appears in


vim +427 net/rxrpc/io_thread.c

   372	
   373	/*
   374	 * I/O and event handling thread.
   375	 */
   376	int rxrpc_io_thread(void *data)
   377	{
   378		struct sk_buff_head rx_queue;
   379		struct rxrpc_local *local = data;
   380		struct rxrpc_call *call;
   381		struct sk_buff *skb;
   382	
   383		skb_queue_head_init(&rx_queue);
   384	
   385		set_user_nice(current, MIN_NICE);
   386	
   387		for (;;) {
   388			rxrpc_inc_stat(local->rxnet, stat_io_loop);
   389	
   390			/* Deal with calls that want immediate attention. */
   391			if ((call = list_first_entry_or_null(&local->call_attend_q,
   392							     struct rxrpc_call,
   393							     attend_link))) {
   394				spin_lock_bh(&local->lock);
   395				list_del_init(&call->attend_link);
   396				spin_unlock_bh(&local->lock);
   397	
   398				trace_rxrpc_call_poked(call);
   399				rxrpc_input_call_event(call, NULL);
   400				rxrpc_put_call(call, rxrpc_call_put_poke);
   401				continue;
   402			}
   403	
   404			/* Process received packets and errors. */
   405			if ((skb = __skb_dequeue(&rx_queue))) {
   406				switch (skb->mark) {
   407				case RXRPC_SKB_MARK_PACKET:
   408					skb->priority = 0;
   409					rxrpc_input_packet(local, skb);
   410					trace_rxrpc_rx_done(skb->mark, skb->priority);
   411					rxrpc_free_skb(skb, rxrpc_skb_freed);
   412					break;
   413				case RXRPC_SKB_MARK_ERROR:
   414					rxrpc_input_error(local, skb);
   415					rxrpc_free_skb(skb, rxrpc_skb_freed);
   416					break;
   417				default:
   418					WARN_ON_ONCE(1);
   419					rxrpc_free_skb(skb, rxrpc_skb_freed);
   420					break;
   421				}
   422				continue;
   423			}
   424	
   425			/* Inject a delay into packets if requested. */
   426	#ifdef CONFIG_AF_RXRPC_INJECT_RX_DELAY
 > 427			now = ktime_get_real();
   428			while ((skb = skb_peek(&local->rx_delay_queue))) {
   429				if (ktime_before(now, skb->tstamp))
   430					break;
   431				skb = skb_dequeue(&local->rx_delay_queue);
   432				skb_queue_tail(&local->rx_queue, skb);
   433			}
   434	#endif
   435	
   436			if (!skb_queue_empty(&local->rx_queue)) {
   437				spin_lock_irq(&local->rx_queue.lock);
   438				skb_queue_splice_tail_init(&local->rx_queue, &rx_queue);
   439				spin_unlock_irq(&local->rx_queue.lock);
   440				continue;
   441			}
   442	
   443			set_current_state(TASK_INTERRUPTIBLE);
   444			if (!skb_queue_empty(&local->rx_queue) ||
   445			    !list_empty(&local->call_attend_q)) {
   446				__set_current_state(TASK_RUNNING);
   447				continue;
   448			}
   449	
   450			if (kthread_should_stop())
   451				break;
   452	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp