[PATCH V2 4/4] x86/perf: Assert all platform event flags are within PERF_EVENT_FLAG_ARCH

[Anshuman Khandual]

Ensure all platform specific event flags are within PERF_EVENT_FLAG_ARCH.

Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Cc: Mark Rutland <mark.rutland@xxxxxxx>
Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: x86@xxxxxxxxxx
Cc: linux-perf-users@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Signed-off-by: Anshuman Khandual <anshuman.khandual@xxxxxxx>
---
 arch/x86/events/perf_event.h | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/arch/x86/events/perf_event.h b/arch/x86/events/perf_event.h
index ba3d24a6a4ec..12136a33e9b7 100644
--- a/arch/x86/events/perf_event.h
+++ b/arch/x86/events/perf_event.h
@@ -86,6 +86,26 @@ static inline bool constraint_match(struct event_constraint *c, u64 ecode)
 #define PERF_X86_EVENT_AMD_BRS		0x10000 /* AMD Branch Sampling */
 #define PERF_X86_EVENT_PEBS_LAT_HYBRID	0x20000 /* ld and st lat for hybrid */
 
+static_assert((PERF_EVENT_FLAG_ARCH & PERF_X86_EVENT_PEBS_LDLAT) == PERF_X86_EVENT_PEBS_LDLAT);
+static_assert((PERF_EVENT_FLAG_ARCH & PERF_X86_EVENT_PEBS_ST) == PERF_X86_EVENT_PEBS_ST);
+static_assert((PERF_EVENT_FLAG_ARCH & PERF_X86_EVENT_PEBS_ST_HSW) == PERF_X86_EVENT_PEBS_ST_HSW);
+static_assert((PERF_EVENT_FLAG_ARCH & PERF_X86_EVENT_PEBS_LD_HSW) == PERF_X86_EVENT_PEBS_LD_HSW);
+static_assert((PERF_EVENT_FLAG_ARCH & PERF_X86_EVENT_PEBS_NA_HSW) == PERF_X86_EVENT_PEBS_NA_HSW);
+static_assert((PERF_EVENT_FLAG_ARCH & PERF_X86_EVENT_EXCL) == PERF_X86_EVENT_EXCL);
+static_assert((PERF_EVENT_FLAG_ARCH & PERF_X86_EVENT_DYNAMIC) == PERF_X86_EVENT_DYNAMIC);
+
+static_assert((PERF_EVENT_FLAG_ARCH & PERF_X86_EVENT_EXCL_ACCT) == PERF_X86_EVENT_EXCL_ACCT);
+static_assert((PERF_EVENT_FLAG_ARCH & PERF_X86_EVENT_AUTO_RELOAD) == PERF_X86_EVENT_AUTO_RELOAD);
+static_assert((PERF_EVENT_FLAG_ARCH & PERF_X86_EVENT_LARGE_PEBS) == PERF_X86_EVENT_LARGE_PEBS);
+static_assert((PERF_EVENT_FLAG_ARCH & PERF_X86_EVENT_PEBS_VIA_PT) == PERF_X86_EVENT_PEBS_VIA_PT);
+static_assert((PERF_EVENT_FLAG_ARCH & PERF_X86_EVENT_PAIR) == PERF_X86_EVENT_PAIR);
+static_assert((PERF_EVENT_FLAG_ARCH & PERF_X86_EVENT_LBR_SELECT) == PERF_X86_EVENT_LBR_SELECT);
+static_assert((PERF_EVENT_FLAG_ARCH & PERF_X86_EVENT_TOPDOWN) == PERF_X86_EVENT_TOPDOWN);
+static_assert((PERF_EVENT_FLAG_ARCH & PERF_X86_EVENT_PEBS_STLAT) == PERF_X86_EVENT_PEBS_STLAT);
+static_assert((PERF_EVENT_FLAG_ARCH & PERF_X86_EVENT_AMD_BRS) == PERF_X86_EVENT_AMD_BRS);
+static_assert((PERF_EVENT_FLAG_ARCH & PERF_X86_EVENT_PEBS_LAT_HYBRID)
+				   == PERF_X86_EVENT_PEBS_LAT_HYBRID);
+
 static inline bool is_topdown_count(struct perf_event *event)
 {
 	return event->hw.flags & PERF_X86_EVENT_TOPDOWN;
-- 
2.25.1