Re: [PATCH] function_graph: Add READ_ONCE() when accessing fgraph_array[]

On Thu, 13 Jun 2024 09:52:23 -0400 Steven Rostedt wrote: > From: "Steven Rostedt (Google)" > > In function_graph_enter() there's a loop that looks at fgraph_array[] > elements which are fgraph_ops. It first tests if it is a fgraph_stub op, > and if so skips it, as that's just there as a place h

[PATCH] function_graph: Add READ_ONCE() when accessing fgraph_array[]

From: "Steven Rostedt (Google)" In function_graph_enter() there's a loop that looks at fgraph_array[] elements which are fgraph_ops. It first tests if it is a fgraph_stub op, and if so skips it, as that's just there as a place holder. Then it checks the fgraph_ops filters to see if the ops wants