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: Adrian Hunter <[email protected]> Signed-off-by: Peter Zijlstra (Intel) <[email protected]> Link: https://lore.kernel.org/r/[email protected]
LoveHeat · Feb 2, 2022 · 58b2ff2 · 58b2ff2
1 parent e5524bf
commit 58b2ff2
Showing 1 changed file with 0 additions and 2 deletions.
diff --git a/kernel/events/core.c b/kernel/events/core.c
@@ -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