On Tue, 23 Apr 2013, Stephen Rothwell wrote:
> Hi all,
>
> After merging the final tree, today's linux-next build (powerpc
> allyesconfig) failed like this:
>
> net/netlink/af_netlink.c: In function 'netlink_frame_flush_dcache':
> net/netlink/af_netlink.c:384:40: error: 'NL_MMAP_MSG_HDRLEN' undeclared (first use in this function)
>
> Caused by commit 9652e931e73b ("netlink: add mmap'ed netlink helper
> functions"). This needed to be build tested on an architecture that has
> ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE set to 1 (like Sparc :-)).
>
Hijacking this thread since I didn't see the causing patch to be posted to
lkml. From linux-next:
net/netlink/af_netlink.c: In function 'netlink_queue_mmaped_skb':
net/netlink/af_netlink.c:663:14: error: incompatible types when assigning to type '__u32' from type 'kuid_t'
net/netlink/af_netlink.c:664:14: error: incompatible types when assigning to type '__u32' from type 'kgid_t'
net/netlink/af_netlink.c: In function 'netlink_ring_set_copied':
net/netlink/af_netlink.c:693:14: error: incompatible types when assigning to type '__u32' from type 'kuid_t'
net/netlink/af_netlink.c:694:14: error: incompatible types when assigning to type '__u32' from type 'kgid_t'
for a config with CONFIG_UIDGID_STRICT_TYPE_CHECKS enabled.
Looks like it's coming from f9c2288837ba ("netlink: implement memory
mapped recvmsg()"). Patrick?
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