tree:   https://github.com/ammarfaizi2/linux-block dhowells/linux-fs/rxrpc-next
head:   8b3d8f13ccbe35c57860620d82b12e1179a36fae
commit: f00af433a94185659209a1b51532480545381fff [2/31] rxrpc: Implement an in-kernel rxperf server for testing purposes
config: i386-allyesconfig
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
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/f00af433a94185659209a1b51532480545381fff
        git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
        git fetch --no-tags ammarfaizi2-block dhowells/linux-fs/rxrpc-next
        git checkout f00af433a94185659209a1b51532480545381fff
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/net/wireless/mediatek/mt76/ net/rxrpc/

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

All warnings (new ones prefixed by >>):

>> net/rxrpc/rxperf.c:495:9: warning: comparison of distinct pointer types ('typeof (reply_len) *' (aka 'unsigned int *') and 'typeof (((1UL) << 12)) *' (aka 'unsigned long *')) [-Wcompare-distinct-pointer-types]
                   len = min(reply_len, PAGE_SIZE);
                         ^~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/minmax.h:45:19: note: expanded from macro 'min'
   #define min(x, y)       __careful_cmp(x, y, <)
                           ^~~~~~~~~~~~~~~~~~~~~~
   include/linux/minmax.h:36:24: note: expanded from macro '__careful_cmp'
           __builtin_choose_expr(__safe_cmp(x, y), \
                                 ^~~~~~~~~~~~~~~~
   include/linux/minmax.h:26:4: note: expanded from macro '__safe_cmp'
                   (__typecheck(x, y) && __no_side_effects(x, y))
                    ^~~~~~~~~~~~~~~~~
   include/linux/minmax.h:20:28: note: expanded from macro '__typecheck'
           (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
                      ~~~~~~~~~~~~~~ ^  ~~~~~~~~~~~~~~
   1 warning generated.


vim +495 net/rxrpc/rxperf.c

   479	
   480	/*
   481	 * Process a call for which we've received the request.
   482	 */
   483	static int rxperf_process_call(struct rxperf_call *call)
   484	{
   485		struct msghdr msg = {};
   486		struct bio_vec bv[1];
   487		struct kvec iov[1];
   488		ssize_t n;
   489		size_t reply_len = call->reply_len, len;
   490	
   491		rxrpc_kernel_set_tx_length(rxperf_socket, call->rxcall,
   492					   reply_len + sizeof(rxperf_magic_cookie));
   493	
   494		while (reply_len > 0) {
 > 495			len = min(reply_len, PAGE_SIZE);
   496			bv[0].bv_page	= ZERO_PAGE(0);
   497			bv[0].bv_offset	= 0;
   498			bv[0].bv_len	= len;
   499			iov_iter_bvec(&msg.msg_iter, WRITE, bv, 1, len);
   500			msg.msg_flags = MSG_MORE;
   501			n = rxrpc_kernel_send_data(rxperf_socket, call->rxcall, &msg,
   502						   len, rxperf_notify_end_reply_tx);
   503			if (n < 0)
   504				return n;
   505			if (n == 0)
   506				return -EIO;
   507			reply_len -= n;
   508		}
   509	
   510		len = sizeof(rxperf_magic_cookie);
   511		iov[0].iov_base	= (void *)rxperf_magic_cookie;
   512		iov[0].iov_len	= len;
   513		iov_iter_kvec(&msg.msg_iter, WRITE, iov, 1, len);
   514		msg.msg_flags = 0;
   515		n = rxrpc_kernel_send_data(rxperf_socket, call->rxcall, &msg, len,
   516					   rxperf_notify_end_reply_tx);
   517		if (n >= 0)
   518			return 0; /* Success */
   519	
   520		if (n == -ENOMEM)
   521			rxrpc_kernel_abort_call(rxperf_socket, call->rxcall,
   522						RXGEN_SS_MARSHAL, -ENOMEM, "GOM");
   523		return n;
   524	}
   525	

-- 
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https://01.org/lkp