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

[Jan Beich]

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);
                       ^
/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[];                                              \
                    ^