Jan Hudec (bulb@ucw.cz) wrote: > On Thu, Jun 10, 2004 at 20:11:31 +0530, aksingh@hss.hns.com wrote: > > > > Hi, > > > > How are module parameters used in modules, i.e if I do an "insmod > > my_module.o debug_level=4", then would the variable debug_level be > > The variable will always be available, because you will declare it. If > you pass debug_level=4, then it will have value 4 in spite of static > initialization saying something else... > > > available to me inside the module ?, can i do this inside the module if > > (debug_level>2) printk(); ?? > > You can. But of course, #ifdefs are faster, runtimewise (which usualy > does not matter for applications, but interrupt handlers might care). > > > i have to access this debug level with argc, argv etc, or this would be > > directly available as the same name ?? > > There is nothing like argv. As Jan says, there are no argc, argv but some macro to define parameters like : MODULE_PARM(debug_level, "i"); where debug_level is an integer. Please read : http://www.xml.com/ldd/chapter/book/ch02.html#t6 for more information. HTH -- Amicalement Christophe * GNU/Linux & UNIX developer and network administrator * Membre RotomaLUG (http://www.rotomalug.org) * Registered User #271267 * Email: c.lucas@ifrance.com * Web Site: http://odie.mcom.fr/~clucas/ -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
