Re: [BUG] alpha: module xxx: Unknown relocation: 1

From	Bob Tracy <rct@gherkin.frus.com>
Newsgroups	linux.debian.ports.alpha, linux.kernel
Subject	Re: [BUG] alpha: module xxx: Unknown relocation: 1
Date	2017-04-13 05:50 +0200
Message-ID	<tvDVD-5wV-3@gated-at.bofh.it> (permalink)
References	(3 earlier) <tuXjI-3jn-7@gated-at.bofh.it> <tvbZn-4ay-9@gated-at.bofh.it> <tvgPn-7AL-11@gated-at.bofh.it> <tvjtT-Eq-1@gated-at.bofh.it> <tvlcm-1Jg-17@gated-at.bofh.it>
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On Wed, Apr 12, 2017 at 07:36:36PM +1200, Michael Cree wrote:
> On Wed, Apr 12, 2017 at 07:57:52AM +0200, Helge Deller wrote:
> > On 12.04.2017 04:59, Bob Tracy wrote:
> > > Bottom line is, no kernel I've built since 4.9 can load a module.  All
> > > attempts to load a module result in the error message emitted by
> > > "arch/alpha/kernel/module.c" as follows:
> > > 
> > > module XXX: Unknown relocation: 1
> > 
> > I assume it's due this commmit "modversions: treat symbol CRCs as 32 bit quantities":
> > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=71810db27c1c853b335675bee335d893bc3d324b
> > 
> > For parisc this patch solves it:
> > parisc: support R_PARISC_SECREL32 relocation in modules
> > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5f655322b1ba4bd46e26e307d04098f9c84df764
> > 
> > > module XXX: Unknown relocation: 1
> > 
> > For alpha it seems you need to add similar code to handle R_ALPHA_REFLONG
> > to apply_relocate_add() in arch/alpha/kernel/module.c
> 
> Would the attached patch fix it?  Untested because I don't see the
> above issue.

I'm up and running on 4.11.0-rc6.  The patch works.  Feel free to add me
as the "Tested-by".  Much appreciated!

--Bob

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[BUG] alpha: module xxx: Unknown relocation: 1 Bob Tracy <rct@gherkin.frus.com> - 2017-04-12 05:10 +0200
  Re: [BUG] alpha: module xxx: Unknown relocation: 1 Helge Deller <deller@gmx.de> - 2017-04-12 08:00 +0200
    Re: [BUG] alpha: module xxx: Unknown relocation: 1 Bob Tracy <rct@gherkin.frus.com> - 2017-04-13 05:50 +0200

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