Messages in this thread Patch in this message | | | Date | Wed, 12 May 2021 22:46:31 +0100 | From | Matthew Wilcox <> | Subject | Re: [PATCH 2/4] radix tree test suite: Add __must_be_array() support |
| |
On Wed, May 12, 2021 at 06:48:52PM +0000, Liam Howlett wrote: > Copy __must_be_array() define from include/linux/compiler.h for use in > the radix tree test suite userspace compiles.
We needed this earlier, but see commit 7487de534dcbe143e6f41da751dd3ffcf93b00ee
I bet if you revert this commit, it'll still build fine.
Also, I bet patch 1/4 is the same -- I see a definition of fallthrough in tools/include/linux/compiler-gcc.h
> Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com> > --- > tools/testing/radix-tree/linux/kernel.h | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/tools/testing/radix-tree/linux/kernel.h b/tools/testing/radix-tree/linux/kernel.h > index c400a27e544a..2c3771fff2c0 100644 > --- a/tools/testing/radix-tree/linux/kernel.h > +++ b/tools/testing/radix-tree/linux/kernel.h > @@ -30,4 +30,6 @@ > # define fallthrough do {} while (0) /* fallthrough */ > #endif /* __has_attribute */ > > +#define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0])) > + > #endif /* _KERNEL_H */ > -- > 2.30.2
| |