Re: [PATCH topic/core-for-CI] perf: Fix perf_event_validate_size() lockdep splat

On Fri, Dec 15, 2023 at 08:22:17AM -0800, Lucas De Marchi wrote: > From: Mark Rutland > > When lockdep is enabled, the for_each_sibling_event(sibling, event) > macro checks that event->ctx->mutex is held. When creating a new group > leader event, we call perf_event_validate_size() on a partially

[PATCH topic/core-for-CI] perf: Fix perf_event_validate_size() lockdep splat

From: Mark Rutland When lockdep is enabled, the for_each_sibling_event(sibling, event) macro checks that event->ctx->mutex is held. When creating a new group leader event, we call perf_event_validate_size() on a partially initialized event where event->ctx is NULL, and so when