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| author | Jakub Kicinski <kuba@kernel.org> | 2024-08-01 10:43:15 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-08-01 10:45:23 -0700 |
| commit | 5fa35bd39ce106889909444c937a10b2d3a79f08 (patch) | |
| tree | bb1fde34b2c9907b1c4b69f6db992bbda0b02355 /include/linux/compiler.h | |
| parent | 743ff02152bc46bb4a2f2a49ec891c87eba6ab5b (diff) | |
| parent | 183d46ff422ef9f3d755b6808ef3faa6d009ba3a (diff) | |
| download | lwn-5fa35bd39ce106889909444c937a10b2d3a79f08.tar.gz lwn-5fa35bd39ce106889909444c937a10b2d3a79f08.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR.
No conflicts or adjacent changes.
Link: https://patch.msgid.link/20240801131917.34494-1-pabeni@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/linux/compiler.h')
| -rw-r--r-- | include/linux/compiler.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/compiler.h b/include/linux/compiler.h index 2594553bb30b..2df665fa2964 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -297,6 +297,15 @@ static inline void *offset_to_ptr(const int *off) #define is_unsigned_type(type) (!is_signed_type(type)) /* + * Useful shorthand for "is this condition known at compile-time?" + * + * Note that the condition may involve non-constant values, + * but the compiler may know enough about the details of the + * values to determine that the condition is statically true. + */ +#define statically_true(x) (__builtin_constant_p(x) && (x)) + +/* * This is needed in functions which generate the stack canary, see * arch/x86/kernel/smpboot.c::start_secondary() for an example. */ |