linux-kernel - Re: adf_ctl_drv.c:(.init.text+0x14915): undefined reference to `adf_init_pf

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Date:	Wed, 22 Jun 2016 19:33:54 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Randy Dunlap <rdunlap@...radead.org>
Cc:	Hans de Bruin <jmdebruin@...net.nl>, linux-kernel@...r.kernel.org,
	herbert@...dor.apana.org.au, fengguang.wu@...el.com,
	qat-linux@...el.com
Subject: Re: adf_ctl_drv.c:(.init.text+0x14915): undefined reference to
 `adf_init_pf_wq' (was Linux 4.4.13)

On Wed, Jun 22, 2016 at 05:52:28PM -0700, Randy Dunlap wrote:
> On 06/22/16 17:37, Greg KH wrote:
> > On Wed, Jun 22, 2016 at 04:41:07PM -0700, Randy Dunlap wrote:
> >> On 06/22/16 03:49, Hans de Bruin wrote:
> >>> On 06/20/2016 07:17 PM, Randy Dunlap wrote:
> >>>> On 06/20/16 08:43, Greg KH wrote:
> >>>>> On Sun, Jun 19, 2016 at 09:12:29AM +0200, Hans de Bruin wrote:
> >>>>>> On 06/08/2016 03:43 AM, Greg KH wrote:
> >>>>>>> I'm announcing the release of the 4.4.13 kernel.
> >>>>>>>
> >>>>>>
> >>>>>> Hi,
> >>>>>>
> >>>>>> I tried to compile 4.4.13 using my 4.4.7 config file and ran in to this:
> >>>>>>
> >>>>>>   LD      init/built-in.o
> >>>>>> drivers/built-in.o: In function `adf_register_ctl_device_driver':
> >>>>>> adf_ctl_drv.c:(.init.text+0x14915): undefined reference to `adf_init_pf_wq'
> >>>>>> adf_ctl_drv.c:(.init.text+0x14927): undefined reference to `adf_exit_pf_wq'
> >>>>>> drivers/built-in.o: In function `adf_unregister_ctl_device_driver':
> >>>>>> adf_ctl_drv.c:(.exit.text+0xacf): undefined reference to `adf_exit_pf_wq'
> >>>>>> make[2]: *** [vmlinux] Error 1
> >>>>>> make[1]: *** [sub-make] Error 2
> >>>>>> make: *** [__sub-make] Error 2
> >>>>>>
> >>>>>>
> >>>>>> I have got some Google hits on this error referencing to higher kernel
> >>>>>> versions but not on 4.4:
> >>>>>>
> >>>>>>     LKML: Herbert Xu: Crypto Fixes for 4.6
> >>>>>>
> >>>>>>     LKML: Greg KH: Linux 4.5.5
> >>>>>
> >>>>> I don't understand, what needs to be done in the 4.4-stable tree to
> >>>>> resolve this?
> >>>>
> >>>> Maybe some other DEV_QAT drivers need to add "select PCI_IOV".
> >>>>
> >>>> See commit 75910d375ecb2079b3418f8b304fd775916025e2 (sorry, I don't
> >>>> have the 4.4.x stable git tree [yet]).
> >>>>
> >>>> Hans, please send your failing .config file.
> >>>>
> >>>
> >>> Randy,
> >>>
> >>> Attached is the config from my running 4.4.7 kernel.
> >>
> >> Thanks.
> >>
> >> I see that GregKH has released 4.4.14-stable for review and it contains
> >> a patch for this build error.
> > 
> > I hope it does, verifying it would be great, if you can.
> 
> I made a patch almost exactly like the one that you have in
> 4.4-stable and I verified my patch.  (although mine is prettier ;)

I think my version (which was the upstream version), was backported
wrong, and I fixed it now...

So yours was probably better :)

thanks,

greg k-h