linux-kernel - Re: [PATCH v2 1/2] module: allow arch overrides for .init section names

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Message-ID: <20200514104613.ckwql7s4xbgqj7ss@axis.com>
Date:   Thu, 14 May 2020 12:46:13 +0200
From:   Vincent Whitchurch <vincent.whitchurch@...s.com>
To:     Jessica Yu <jeyu@...nel.org>, <linux@...linux.org.uk>
CC:     "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        kernel <kernel@...s.com>
Subject: Re: [PATCH v2 1/2] module: allow arch overrides for .init section
 names

On Mon, May 11, 2020 at 05:45:00PM +0200, Jessica Yu wrote:
> +++ Vincent Whitchurch [11/05/20 13:48 +0200]:
> >ARM stores unwind information for .init.text in sections named
> >.ARM.extab.init.text and .ARM.exidx.init.text.  Since those aren't
> >currently recognized as init sections, they're allocated along with the
> >core section, and relocation fails if the core and the init section are
> >allocated from different regions and can't reach other.
> >
> >  final section addresses:
> >        ...
> >        0x7f800000 .init.text
> >        ..
> >        0xcbb54078 .ARM.exidx.init.text
> >        ..
> >
> > section 16 reloc 0 sym '': relocation 42 out of range (0xcbb54078 ->
> > 0x7f800000)
> >
> >Allow architectures to override the section name so that ARM can fix
> >this.
> >
> >Signed-off-by: Vincent Whitchurch <vincent.whitchurch@...s.com>
> >---
> >v2: Add comment and move module_init_section() next to module_exit_section().
> 
> Thanks, this patch looks fine to me. You could add my:
> 
>    Acked-by: Jessica Yu <jeyu@...nel.org>
> 
> Alternatively, I can take this through modules-next if the second
> patch gets a review and ack from an ARM maintainer.

Thanks!  I've put the patches in Russell's patch system.