perfcounters, x86: fix sw counters on non-PMC CPUs



Make perf_max_counters default to at least 1 - this allows the sw
counters to be used.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

parent 2b9ff0db

kernel/perf_counter.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -25,7 +25,7 @@
		*/
		DEFINE_PER_CPU(struct perf_cpu_context, perf_cpu_context);

		int perf_max_counters __read_mostly;
		int perf_max_counters __read_mostly = 1;
		static int perf_reserved_percpu __read_mostly;
		static int perf_overcommit __read_mostly = 1;