[PATCH 4.12 159/196] perf/core: Fix scheduling regression of pinned groups

4.12-stable review patch. If anyone has any objections, please let me know. -- From: Alexander Shishkin commit 3bda69c1c3993a2bddbae01397d12bfef6054011 upstream. Vince Weaver reported: > I was tracking down some regressions in my

[PATCH 4.12 159/196] perf/core: Fix scheduling regression of pinned groups

4.12-stable review patch. If anyone has any objections, please let me know. -- From: Alexander Shishkin commit 3bda69c1c3993a2bddbae01397d12bfef6054011 upstream. Vince Weaver reported: > I was tracking down some regressions in my perf_event_test testsuite. > Some of the