Commit 58b2ff2c authored by Adrian Hunter's avatar Adrian Hunter Committed by Peter Zijlstra
Browse files

perf/core: Allow kernel address filter when not filtering the kernel 



The so-called 'kernel' address filter can also be useful for filtering
fixed addresses in user space.  Allow that.

Signed-off-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220131072453.2839535-6-adrian.hunter@intel.com
parent e5524bf1

kernel/events/core.c

+0 −2
Original line number Diff line number Diff line
@@ -10515,8 +10515,6 @@ perf_event_parse_addr_filter(struct perf_event *event, char *fstr, 
		 */

		if (state == IF_STATE_END) {

			ret = -EINVAL;

			if (kernel && event->attr.exclude_kernel)

				goto fail;



			/*

			 * ACTION "filter" must have a non-zero length region