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| author | Jason Gunthorpe <jgg@nvidia.com> | 2021-06-22 20:42:52 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2021-06-22 20:43:51 +0300 |
| commit | fdcebbc2ac2cfd82a18857b0c85067fa7e8f5233 (patch) | |
| tree | e21b6d503468282cd9010d24b35327dc8d772980 /include/linux/const.h | |
| parent | 6d33cabf2baf304730d01a942095416b3a8329ab (diff) | |
| parent | 13311e74253fe64329390df80bed3f07314ddd61 (diff) | |
| download | linux-fdcebbc2ac2cfd82a18857b0c85067fa7e8f5233.tar.xz | |
Merge tag 'v5.13-rc7' into rdma.git for-next
Linux 5.13-rc7
Needed for dependencies in following patches. Merge conflict in rxe_cmop.c
resolved by compining both patches.
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'include/linux/const.h')
| -rw-r--r-- | include/linux/const.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/const.h b/include/linux/const.h index 81b8aae5a855..435ddd72d2c4 100644 --- a/include/linux/const.h +++ b/include/linux/const.h @@ -3,4 +3,12 @@ #include <vdso/const.h> +/* + * This returns a constant expression while determining if an argument is + * a constant expression, most importantly without evaluating the argument. + * Glory to Martin Uecker <Martin.Uecker@med.uni-goettingen.de> + */ +#define __is_constexpr(x) \ + (sizeof(int) == sizeof(*(8 ? ((void *)((long)(x) * 0l)) : (int *)8))) + #endif /* _LINUX_CONST_H */ |