Re: [PATCH] jump_label: constify jump_label_text_reserved andfriends

From: Steven Rostedt
Date: Mon Jan 07 2013 - 17:23:20 EST

On Mon, 2013-01-07 at 11:40 -0500, Jason Baron wrote:
> On Mon, Jan 07, 2013 at 08:58:09AM -0500, Sasha Levin wrote:
> > jump_label_text_reserved() doesn't modify the memory it works on, it just
> > checks whether there are any jump labels there.
> >
> > Constify the parameters of it to prevent warnings when working with it.
> >
> I don't see any 'const' data passed to jump_label_text_reserved()? Where is the
> warning coming from? New users?

If the data is never going to be modified, then it's a good idea to add
const regardless of users. It's good documentation.

> Also, does this mean 'ftrace_text_reserved()' and 'alternatives_text_reserved()'
> need to be updated as well?

Yes, change these too.


-- Steve

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