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Commit c632aeed authored by Sasha Levin's avatar Sasha Levin Committed by Greg Kroah-Hartman
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Revert "perf test 6: Fix missing kvm module load for s390"



This reverts commit 0e852914.

Which was upstream commit 53fe307dfd309e425b171f6272d64296a54f4dff.

Ben Hutchings reports that this commit depends on new code added in
v4.18, and so is irrelevant on older kernels, and breaks the build.

Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 54de4ef8
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+0 −27
Original line number Diff line number Diff line
@@ -19,32 +19,6 @@
#define PERF_TP_SAMPLE_TYPE (PERF_SAMPLE_RAW | PERF_SAMPLE_TIME | \
			     PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD)

#if defined(__s390x__)
/* Return true if kvm module is available and loaded. Test this
 * and retun success when trace point kvm_s390_create_vm
 * exists. Otherwise this test always fails.
 */
static bool kvm_s390_create_vm_valid(void)
{
	char *eventfile;
	bool rc = false;

	eventfile = get_events_file("kvm-s390");

	if (eventfile) {
		DIR *mydir = opendir(eventfile);

		if (mydir) {
			rc = true;
			closedir(mydir);
		}
		put_events_file(eventfile);
	}

	return rc;
}
#endif

static int test__checkevent_tracepoint(struct perf_evlist *evlist)
{
	struct perf_evsel *evsel = perf_evlist__first(evlist);
@@ -1626,7 +1600,6 @@ static struct evlist_test test__events[] = {
	{
		.name  = "kvm-s390:kvm_s390_create_vm",
		.check = test__checkevent_tracepoint,
		.valid = kvm_s390_create_vm_valid,
		.id    = 100,
	},
#endif