On Tue, Jun 18, 2024 at 12:13:50PM +0200, Laurent Vivier wrote: > Le 18/06/2024 à 11:51, Karel Zak a écrit : > > > > Hi Laurent, > > > > Hi Karel, > > > On Tue, Jun 11, 2024 at 10:43:14AM +0200, Laurent Vivier wrote: > > > +*-l*, **--load-interp=**__file__:: > > > +Load binfmt_misc definition in the namespace (implies *--mount-binfmt*). > > > > Is it actually a file, or does the argument have a more complex > > format? If there is something more that it should be described here. > > It fine describe in the man page more about the interpreters. > > Your right the format here is not actually a file, but it defines how to use > the file provided in the parameter as an interpreter. > > We provide here what we will write in /proc/sys/fs/binfmt_misc/register and > the format is described in > https://www.kernel.org/doc/Documentation/admin-guide/binfmt-misc.rst: > > "To actually register a new binary type, you have to set up a string looking > like ``:name:type:offset:magic:mask:interpreter:flags`` I guess we can use something like: -l*, **--load-interp=**string Load binfmt_misc definition in the namespace. The __string__ argument is ``:name:type:offset:magic:mask:interpreter:flags``. For more details about new binary type registration see https://www.kernel.org/doc/Documentation/admin-guide/binfmt-misc.rst. > > As an uneducated reader, I am confused by the flags. Where is the 'F' > > flag? Perhaps you could provide more explanation to make it easier for > > readers to understand. > > I think this option should be used by educated user that is aware of binfmt_misc format. > > Do you want I copy a part of the binfmt_misc documentation in the unshare documentation? It's probably overkill copy all the text. > I'll update the man page accordingly. Thanks! Karel -- Karel Zak <kzak@xxxxxxxxxx> http://karelzak.blogspot.com
