linux-kernel - Re: please revert commit ce8556cca6 "kbuild: verify that $DEPMOD is installed" introduced in v4.18.4.

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Date:   Wed, 22 Aug 2018 21:10:48 +0200
From:   Greg KH <greg@...ah.com>
To:     "H. Nikolaus Schaller" <hns@...delico.com>
Cc:     Randy Dunlap <rdunlap@...radead.org>,
        Lucas De Marchi <lucas.demarchi@...fusion.mobi>,
        Lucas De Marchi <lucas.de.marchi@...il.com>,
        Michal Marek <michal.lkml@...kovi.net>,
        Jessica Yu <jeyu@...nel.org>,
        Chih-Wei Huang <cwhuang@...ux.org.tw>,
        stable <stable@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Discussions about the Letux Kernel 
        <letux-kernel@...nphoenux.org>
Subject: Re: please revert commit ce8556cca6 "kbuild: verify that $DEPMOD is
 installed" introduced in v4.18.4.

On Wed, Aug 22, 2018 at 08:53:46PM +0200, H. Nikolaus Schaller wrote:
> This patch requires that /sbin/depmod is installed and installable on
> the build host.
> 
> But not all build hosts for cross compiling Linux are Linux systems
> and are able to provide a working port of depmod, especially at the
> file patch /sbin/depmod.
> 
> I use, for example, a Darwin system to cross compile Linux and I run
> depmod -a on the embedded system once, after installing a new Linux
> kernel there.
> 
> I have no problem with seeing a warning, but aborting the build process
> is IMHO a bad idea since the previous behaviour didn't harm many people
> as far as I see. Probably 99% of people compiling Linux kernels do that
> on Linux and 99% of those have depmod installed for optimal operation of
> their build host. So IMHO printing the warning is good enough.

It needs to be reverted in Linus's tree first before I can revert it in
the stable tree(s).

thanks,

greg k-h