From: valdis.kletnieks@vt.edu
To: Lev Olshvang <levonshe@yandex.com>
Cc: Greg KH <greg@kroah.com>, Andy Nicholas <andy.nicholas@shield.ai>,
"kernelnewbies@kernelnewbies.org"
<kernelnewbies@kernelnewbies.org>
Subject: Re: Finding all modules which consume kernel lib?
Date: Sat, 09 Mar 2019 12:00:27 -0500 [thread overview]
Message-ID: <16221.1552150827@turing-police> (raw)
In-Reply-To: <17628231552125884@sas1-4b7566131ec9.qloud-c.yandex.net>
On Sat, 09 Mar 2019 13:04:44 +0300, Lev Olshvang said:
> There is also modulus.dep file which depmod builds. You can just grep to find
> which modulus depends.
Note that the modules.dep file only tells modprobe "If you're loading module A,
you need to load B first to get some symbols registered". If B is built-in to
the kernel, its EXPORT_SYMBOLS are already available, so it doesn't need to be
listed in modules.dep.
Also, it doesn't record build-time dependencies - it totally assumes that A and B
were built against the same source tree and that Kbuild took care of making sure
that any source code changes to B that affect A caused a rebuild of A to happen.
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prev parent reply other threads:[~2019-03-09 17:01 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-09 8:07 Finding all modules which consume kernel lib? Andy Nicholas
2019-03-09 8:29 ` Greg KH
2019-03-09 10:04 ` Lev Olshvang
2019-03-09 17:00 ` valdis.kletnieks [this message]
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