Hi Eric,

FYI, there are new compile warnings show up in

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace.git userns-always-map-user-v64
head:   8af30da8de970429970913ed15991f98c6e16e43
commit: 60c4a95efc7d7d3c05d44e816c2767c3fbe90773 [13/68] userns: Now that everything has been converted remove the unnecessary infrastructure
config: i386-randconfig-b111 (attached as .config)

All warnings:

net/bluetooth/af_bluetooth.c: In function 'bt_seq_show':
net/bluetooth/af_bluetooth.c:598:7: warning: format '%u' expects argument of type 'unsigned int', but argument 7 has type 'kuid_t' [-Wformat]

vim +598 net/bluetooth/af_bluetooth.c

256a06c8 (Masatake YAMATO    2012-07-26  582) 		seq_putc(seq, '\n');
256a06c8 (Masatake YAMATO    2012-07-26  583) 	} else {
09d5d4aa (Andrei Emeltchenko 2012-08-07  584) 		struct sock *sk = sk_entry(v);
09d5d4aa (Andrei Emeltchenko 2012-08-07  585) 		struct bt_sock *bt = bt_sk(sk);
256a06c8 (Masatake YAMATO    2012-07-26  586) 		baswap(&src_baswapped, &bt->src);
256a06c8 (Masatake YAMATO    2012-07-26  587) 		baswap(&dst_baswapped, &bt->dst);
256a06c8 (Masatake YAMATO    2012-07-26  588) 
256a06c8 (Masatake YAMATO    2012-07-26  589) 		seq_printf(seq, "%pK %-6d %-6u %-6u %-6u %-6lu %pM %pM %-6lu",
256a06c8 (Masatake YAMATO    2012-07-26  590) 			   sk,
256a06c8 (Masatake YAMATO    2012-07-26  591) 			   atomic_read(&sk->sk_refcnt),
256a06c8 (Masatake YAMATO    2012-07-26  592) 			   sk_rmem_alloc_get(sk),
256a06c8 (Masatake YAMATO    2012-07-26  593) 			   sk_wmem_alloc_get(sk),
256a06c8 (Masatake YAMATO    2012-07-26  594) 			   sock_i_uid(sk),
256a06c8 (Masatake YAMATO    2012-07-26  595) 			   sock_i_ino(sk),
256a06c8 (Masatake YAMATO    2012-07-26  596) 			   &src_baswapped,
256a06c8 (Masatake YAMATO    2012-07-26  597) 			   &dst_baswapped,
256a06c8 (Masatake YAMATO    2012-07-26 @598) 			   bt->parent? sock_i_ino(bt->parent): 0LU);
256a06c8 (Masatake YAMATO    2012-07-26  599) 

The code at line 598 was first introduced by commit:
256a06c Bluetooth: /proc/net/ entries for bluetooth protocols

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0-DAY kernel build testing backend         Open Source Technology Center
Fengguang Wu, Yuanhan Liu                              Intel Corporation