Hans Petter Selasky <hsela...@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);
^
/usr/src/sys/compat/linuxkpi/common/include/asm/atomic.h:165:6: note: expanded
from macro 'cmpxchg'
u8 u8[]; \
^
drm_lock.c:72:10: error: flexible array member 'u16' in a union is not allowed
/usr/src/sys/compat/linuxkpi/common/include/asm/atomic.h:166:7: note: expanded
from macro 'cmpxchg'
u16 u16[]; \
^
drm_lock.c:72:10: error: flexible array member 'u32' in a union is not allowed
/usr/src/sys/compat/linuxkpi/common/include/asm/atomic.h:167:7: note: expanded
from macro 'cmpxchg'
u32 u32[]; \
^
drm_lock.c:72:10: error: flexible array member 'u64' in a union is not allowed
/usr/src/sys/compat/linuxkpi/common/include/asm/atomic.h:168:7: note: expanded
from macro 'cmpxchg'
u64 u64[]; \
^
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