Re: [PATCH v9 13/14] module: Move kdb_modules list out of core code

[Daniel Thompson]

On Wed, Mar 02, 2022 at 04:19:17PM +0000, Daniel Thompson wrote:
> On Mon, Feb 28, 2022 at 11:43:21PM +0000, Aaron Tomlin wrote:
> > No functional change.
> > 
> > This patch migrates kdb_modules list to core kdb code
> > since the list of added/or loaded modules is no longer
> > private.
> > 
> > Reviewed-by: Christophe Leroy <christophe.leroy@xxxxxxxxxx>
> > Signed-off-by: Aaron Tomlin <atomlin@xxxxxxxxxx>
> > ---
> >  kernel/debug/kdb/kdb_main.c    | 5 +++++
> >  kernel/debug/kdb/kdb_private.h | 4 ----
> >  kernel/module/main.c           | 4 ----
> >  3 files changed, 5 insertions(+), 8 deletions(-)
> > 
> > diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
> > index 0852a537dad4..5369bf45c5d4 100644
> > --- a/kernel/debug/kdb/kdb_main.c
> > +++ b/kernel/debug/kdb/kdb_main.c
> > @@ -59,6 +59,11 @@ EXPORT_SYMBOL(kdb_grepping_flag);
> >  int kdb_grep_leading;
> >  int kdb_grep_trailing;
> >  
> > +#ifdef CONFIG_MODULES
> > +extern struct list_head modules;

Actually thinking a bit harder and trying
`git grep '#include .*[.][.]' kernel/` (which finds some prior art) I
wonder if we even want the extern or whether
`#include "../../module/internal.h"` would be more robust.


Daniel.


> > +static struct list_head *kdb_modules = &modules; /* kdb needs the list of modules */
> 
> If modules is no longer static then why do we kdb_modules at all?
> kdb_modules is used exactly once and it can now simply be replaced
> with &modules.
> 
> 
> Daniel.