linux-kernel - Re: [GIT] kbuild changes for v3.11-rc1

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Message-ID: <20130712105721.GF8731@rric.localhost>
Date:	Fri, 12 Jul 2013 11:57:21 +0100
From:	Robert Richter <rric@...nel.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Michal Marek <mmarek@...e.cz>, Jan Beulich <JBeulich@...e.com>,
	dt.tangr@...il.com, Geert Uytterhoeven <geert@...ux-m68k.org>,
	James Hogan <james.hogan@...tec.com>,
	Christian Kujau <lists@...dbynature.de>,
	Mike Marciniszyn <mike.marciniszyn@...el.com>,
	Nicolas Dichtel <nicolas.dichtel@...nd.com>,
	"Yaakov (Cygwin/X)" <yselkowitz@...rs.sourceforge.net>,
	zzs0213@...il.com,
	Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [GIT] kbuild changes for v3.11-rc1

On 11.07.13 10:16:18, Linus Torvalds wrote:
> On Thu, Jul 11, 2013 at 6:54 AM, Michal Marek <mmarek@...e.cz> wrote:
> >
> > Yeah. It also reveals another bug that we rewrite the kernel.release
> > file each time.

The odd thing I have in a specific configuration is that depmod is
missing the kernelrelease when I only build install rules, though I
had built everything before and kernelrelease should be there:

 $ make <makeflags>
 $ make <makeflags> modules_install zinstall
 ...
   DEPMOD  
 Usage: .../scripts/depmod.sh /sbin/depmod <kernelrelease>

Note that makeflags include the -j option, INSTALL_MOD_PATH and
INSTALL_PATH variables set, so no root perms required in this case.

I agree, the fix to add a dependency to the kernelrelease file is
wrong here since it rewrites the object tree, which should be readonly
for install rules.

I could reproduce the error above in my setup and will look at it
again, hopefully fixing it more carefully.

Appologize the trouble this made.

Thanks,

-Robert
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