Re: [PATCH 1/9] binfmt_misc: let a register string create an entry disabled

On Sun, Aug 02, 2026 at 04:37:58PM -0700, Farid Zakaria wrote:
> On Thu, 30 Jul 2026 15:34:03 +0200, Christian Brauner <[email protected]> wrote:
> > diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c
> > index 707f8a14f8a6..ca7840b01a2b 100644
> > --- a/fs/binfmt_misc.c
> > +++ b/fs/binfmt_misc.c
> > @@ -75,6 +86,7 @@ static const struct binfmt_misc_flag misc_flags[] = {
> >  	{ 'F', MISC_FMT_OPEN_FILE,	0,			"open interpreter file now"	},
> >  	{ 'T', MISC_FMT_TRANSPARENT,	MISC_FMT_OPEN_BINARY,	"transparent"			},
> >  	{ 'L', MISC_FMT_LOADER,		0,			"loader substitution"		},
> > +	{ 'D', MISC_FMT_DISABLED,	0,			"register disabled"		},
> 
> AI brought up an interesting point that this now changes the set of
> valid delimiters which you might want to call out in the commit message.
> 
> For instance 'DnameDMD0DmagicDDinterpD' was allowed before.
> It might be a very obscure feature to pick a delimiter because
> https://docs.kernel.org/admin-guide/binfmt-misc.html does not even
> mention it beyond 'where you can choose the : upon your needs'.

Yeah, I can send a separate doc addition for that. But that's kinda true
for any new thing we give meaning. So _shrug_.