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| author | Maxime Ripard <maxime@cerno.tech> | 2021-05-27 14:32:13 +0200 |
|---|---|---|
| committer | Maxime Ripard <maxime@cerno.tech> | 2021-05-27 14:32:13 +0200 |
| commit | ffa52910faff64f2070af42c22d782c4572d889e (patch) | |
| tree | 18c103f25a1467d02af1ebf27d7f0a8b177f5825 /tools/include/linux/const.h | |
| parent | 5ccbb2ee039f0bd81e2b34b670718186753a4e17 (diff) | |
| parent | 5522e9f7b0fbe2a0cb89c199b574523becc8c3ab (diff) | |
Merge drm/drm-next into drm-misc-next
i915 is broken without -rc3, let's bring that tag in to fix it.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'tools/include/linux/const.h')
| -rw-r--r-- | tools/include/linux/const.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/include/linux/const.h b/tools/include/linux/const.h index 81b8aae5a855..435ddd72d2c4 100644 --- a/tools/include/linux/const.h +++ b/tools/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 */ |