Lines Matching refs:gctx
11957 struct perf_event_context *gctx; in __perf_event_ctx_lock_double() local
11961 gctx = READ_ONCE(group_leader->ctx); in __perf_event_ctx_lock_double()
11962 if (!refcount_inc_not_zero(&gctx->refcount)) { in __perf_event_ctx_lock_double()
11968 mutex_lock_double(&gctx->mutex, &ctx->mutex); in __perf_event_ctx_lock_double()
11970 if (group_leader->ctx != gctx) { in __perf_event_ctx_lock_double()
11972 mutex_unlock(&gctx->mutex); in __perf_event_ctx_lock_double()
11973 put_ctx(gctx); in __perf_event_ctx_lock_double()
11977 return gctx; in __perf_event_ctx_lock_double()
12027 struct perf_event_context *ctx, *gctx; in SYSCALL_DEFINE5() local
12268 gctx = __perf_event_ctx_lock_double(group_leader, ctx); in SYSCALL_DEFINE5()
12270 if (gctx->task == TASK_TOMBSTONE) { in SYSCALL_DEFINE5()
12285 if (gctx != ctx) { in SYSCALL_DEFINE5()
12289 perf_event_ctx_unlock(group_leader, gctx); in SYSCALL_DEFINE5()
12362 put_ctx(gctx); in SYSCALL_DEFINE5()
12366 put_ctx(gctx); in SYSCALL_DEFINE5()
12416 perf_event_ctx_unlock(group_leader, gctx); in SYSCALL_DEFINE5()
12440 perf_event_ctx_unlock(group_leader, gctx); in SYSCALL_DEFINE5()