In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning by explicitly adding a fallthrough pseudo-keyword as a replacement for a /* fall through */ comment, instead of letting the code fall through to the next case.
Notice that Clang doesn't recognize /* fall through */ comments as implicit fall-through markings. Link: https://github.com/KSPP/linux/issues/115 Signed-off-by: Gustavo A. R. Silva <gustavo...@kernel.org> --- arch/x86/events/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c index a88c94d65693..550c5e7002b9 100644 --- a/arch/x86/events/core.c +++ b/arch/x86/events/core.c @@ -1174,7 +1174,7 @@ static inline void x86_assign_hw_event(struct perf_event *event, case INTEL_PMC_IDX_METRIC_BASE ... INTEL_PMC_IDX_METRIC_END: /* All the metric events are mapped onto the fixed counter 3. */ idx = INTEL_PMC_IDX_FIXED_SLOTS; - /* fall through */ + fallthrough; case INTEL_PMC_IDX_FIXED ... INTEL_PMC_IDX_FIXED_BTS-1: hwc->config_base = MSR_ARCH_PERFMON_FIXED_CTR_CTRL; hwc->event_base = MSR_ARCH_PERFMON_FIXED_CTR0 + -- 2.27.0
