Re: [PATCH v2 10/27] ftrace: Add subops logic to allow one ops to manage many

[Steven Rostedt]

On Mon, 3 Jun 2024 11:46:36 +0900
Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx> wrote:

> > > if (ftrace_hash_empty(new_hash)) {
> > > 	free_ftrace_hash(new_hash);
> > > 	new_hash = EMPTY_HASH;
> > > 	break;
> > > }  
> 
> And we still need this (I think this should be done in intersect_hash(), we just
> need to count the number of entries.) 

Actually, ftrace_hash_empty() may be what I use instead of checking against
EMPTY_HASH. I forgot about that function when writing the code.

-- Steve