From: Peter Zijlstra Date: Fri, 20 Sep 2013 11:08:50 +0000 (+0200) Subject: perf/x86/intel: Fix build warning in intel_pmu_drain_pebs_nhm() X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=92519bbc8af612975410def52bd462ca9af85cdb;p=linux-beck.git perf/x86/intel: Fix build warning in intel_pmu_drain_pebs_nhm() Fengguang Wu reported this build warning: arch/x86/kernel/cpu/perf_event_intel_ds.c: In function 'intel_pmu_drain_pebs_nhm': arch/x86/kernel/cpu/perf_event_intel_ds.c:964:2: warning: format '%ld' expects argument of type 'long int', but argument 4 has type 'int' Because pointer arithmetics result type is bitness dependent there's no natural type to use here, cast it to long. Signed-off-by: Peter Zijlstra Link: http://lkml.kernel.org/n/tip-jbpauwxJqtf24luewcsdFith@git.kernel.org Signed-off-by: Ingo Molnar --- diff --git a/arch/x86/kernel/cpu/perf_event_intel_ds.c b/arch/x86/kernel/cpu/perf_event_intel_ds.c index 655d591b57a0..54ff6ce519c1 100644 --- a/arch/x86/kernel/cpu/perf_event_intel_ds.c +++ b/arch/x86/kernel/cpu/perf_event_intel_ds.c @@ -963,7 +963,7 @@ static void intel_pmu_drain_pebs_nhm(struct pt_regs *iregs) */ WARN_ONCE(top - at > x86_pmu.max_pebs_events * x86_pmu.pebs_record_size, "Unexpected number of pebs records %ld\n", - (top - at) / x86_pmu.pebs_record_size); + (long)(top - at) / x86_pmu.pebs_record_size); for (; at < top; at += x86_pmu.pebs_record_size) { struct pebs_record_nhm *p = at;