svn commit: r329371 - head/sys/compat/linuxkpi/common/include/asm

Hans Petter Selasky hps at selasky.org
Sat Feb 17 08:13:48 UTC 2018


On 02/17/18 08:32, Hans Petter Selasky wrote:
> On 02/17/18 01:42, Jan Beich wrote:
>> Hans Petter Selasky <hselasky at FreeBSD.org> writes:
>>
>>> Author: hselasky
>>> Date: Fri Feb 16 15:20:21 2018
>>> New Revision: 329371
>>> URL: https://svnweb.freebsd.org/changeset/base/329371
>>>
>>> Log:
>>>    Allow the cmpxchg() macro in the LinuxKPI to work on pointers without
>>>    generating compiler warnings, -Wint-conversion .
>> [...]
>>
>> To generate errors instead ?
>>
>> $ make clean all -C /usr/ports/graphics/drm-next-kmod
>> [...]
>> drm_lock.c:72:10: error: flexible array member 'u8' in a union is not 
>> allowed
>>                  prev = cmpxchg(lock, old, new);
>>                         ^
> 
> I believe this is a regression issue in GCC:
> 
> https://gcc.gnu.org/ml/gcc-patches/2016-07/msg01505.html
> 

See r329447.

--HPS



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