Re: [PATCH] tracing: Do not allow mmap() of persistent ring buffer

[Steven Rostedt]

On Wed, 19 Feb 2025 00:14:24 +0900
Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx> wrote:

> > As that's what added the BOOT flag and is in the same kernel version
> > that added the persistent ring buffer.  
> 
> OK, so this fix is for the limitation of the buffer which has
> TRACE_ARRAY_FL_BOOT. When this flag is introduced, it should also
> prohibit the mmap.

Correct.

-- Steve