Re: linux-next: build failure after merge of the access_once tree

From: Christian Borntraeger
Date: Sun Dec 07 2014 - 16:16:55 EST

This is a multi-part message in MIME format.Am 07.12.2014 um 21:57 schrieb Christian Borntraeger:
> Am 05.12.2014 um 11:32 schrieb Stephen Rothwell:
>> Hi Christian,
>> After merging the access_once tree, today's linux-next build (x86_64
>> allmodconfig) failed like this:
>> In file included from include/linux/compiler.h:189:0,
>> from include/uapi/linux/stddef.h:1,
>> from include/linux/stddef.h:4,
>> from include/uapi/linux/posix_types.h:4,
>> from include/linux/fdtable.h:8,
>> from security/apparmor/domain.c:16:
>> include/linux/types.h:14:9: error: unknown type name '__kernel_fd_set'
>> typedef __kernel_fd_set fd_set;
>> ^
>> And many more :-(
>> Presumably caused by commit b06f66134856 ("kernel: Provide READ_ONCE
>> and ASSIGN_ONCE") which added types.h into compiler.h, but I am not
>> sure. It could be an interaction with something else in linux-next, of
>> course.
>> I have dropped the access_once tree for today, sorry.
> Interesting, I double checked with defconfig and cross compilation. But yes, using allmodconfig fails.
> I have changed that to uapi/linux/types.h and __u<xx>. This seems to fix it as it only adds a small set of types.
> Can you re-add?
> Christian

I also did an additional check and merged this tree with linux-next/master. This introduced a new problem.
The fix is simple, see patch. But I am not sure how to add that to next (via my tree), since this change is only in next.