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| author | Peter Zijlstra <peterz@infradead.org> | 2018-08-29 12:45:21 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-09-10 12:05:54 +0300 |
| commit | 7e6f4c5d600c1c8e2a1d900e65cab319d9b6782e (patch) | |
| tree | 8084ab693c21ea0752f88531d684cb3bead1d2ae /kernel/sched | |
| parent | 9c63e84db29bcf584040931ad97c2edd11e35f6c (diff) | |
| download | linux-7e6f4c5d600c1c8e2a1d900e65cab319d9b6782e.tar.xz | |
sched/debug: Explicitly cast sched_feat() to bool
LLVM has a warning that tags expressions like:
if (foo && non-bool-const)
This pattern triggers for CONFIG_SCHED_DEBUG=n where sched_feat() ends
up being whatever bit we select. Avoid the warning with an explicit
cast to bool.
Reported-by: Philipp Klocke <philipp97kl@gmail.com>
Tested-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched')
| -rw-r--r-- | kernel/sched/sched.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index 85b3a2bf6c2b..3a4ef8f73f08 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -1401,7 +1401,7 @@ static const_debug __maybe_unused unsigned int sysctl_sched_features = 0; #undef SCHED_FEAT -#define sched_feat(x) (sysctl_sched_features & (1UL << __SCHED_FEAT_##x)) +#define sched_feat(x) !!(sysctl_sched_features & (1UL << __SCHED_FEAT_##x)) #endif /* SCHED_DEBUG && HAVE_JUMP_LABEL */ |