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SubjectRe: [PATCH 1/7] Apply transparent_union attribute to union semun
Hi Jonas,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.8-rc6 next-20160916]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
[Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on]
[Check https://git-scm.com/docs/git-format-patch for more information]

url: https://github.com/0day-ci/linux/commits/Stafford-Horne/openrisc-Misc-fixes-from-backlog/20160916-230114
config: x86_64-randconfig-b0-09170504 (attached as .config)
compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64

All errors (new ones prefixed by >>):

cc1: warnings being treated as errors
In file included from include/linux/sem.h:7,
from include/linux/sched.h:35,
from include/linux/kasan.h:4,
from include/linux/slab.h:118,
from include/linux/resource_ext.h:19,
from include/linux/acpi.h:26,
from drivers/gpu/drm/i915/i915_drv.c:30:
>> include/uapi/linux/sem.h:51: error: union cannot be made transparent

vim +51 include/uapi/linux/sem.h

45 union semun {
46 int val; /* value for SETVAL */
47 struct semid_ds __user *buf; /* buffer for IPC_STAT & IPC_SET */
48 unsigned short __user *array; /* array for GETALL & SETALL */
49 struct seminfo __user *__buf; /* buffer for IPC_INFO */
50 void __user *__pad;
> 51 } __attribute__ ((transparent_union));
52
53 struct seminfo {
54 int semmap;

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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