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From: Greg KH <greg@kroah.com>
To: Andy Nicholas <andy.nicholas@shield.ai>
Cc: kernelnewbies@kernelnewbies.org
Subject: Re: Finding all modules which consume kernel lib?
Date: Sat, 9 Mar 2019 09:29:04 +0100	[thread overview]
Message-ID: <20190309082904.GA12998@kroah.com> (raw)
In-Reply-To: <CAH_BzbLiTk4tXnQiBan0RnqFtGU-rzpBx1OqYZ4GC0n8ni5DOw@mail.gmail.com>

On Sat, Mar 09, 2019 at 12:07:00AM -0800, Andy Nicholas wrote:
> Hello,
> 
> Is there a website or service or tool or package or script or something
> which allows me to determine which pieces of the compiled kernel
> (especially modules) contained the source-code changes I might make to any
> given directory? Like a kernel-code dependency graph website?
> 
> For instance, assume I made a change to code in net/wireless/. How do I
> figure out which pieces of the kernel or modules get linked against the
> library built from this directory?
> 
> I could attempt to trace the kernel's build output line-by-line and then
> grep through the output looking for which other code is linking against
> cfg80211. That is way too tedious. In this case I would like to know which
> kernel modules I would need to, potentially, re-test because I apply a
> patch to this directory.... without examining the build logs.

Just look at the build logs, it will show you exactly what gets rebuilt
when you touch a single file (or multiple files.)  That's the simplest
way to do what you want here.

good luck!

greg k-h

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  reply	other threads:[~2019-03-09  8:29 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 [this message]
2019-03-09 10:04   ` Lev Olshvang
2019-03-09 17:00     ` valdis.kletnieks

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