linux-kernel - Re: sh section mismatches [was Re: 2.6.22-rc6 on Dreamcast (SH4)]

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Message-Id: <200706300958.40315.vapier@gentoo.org>
Date:	Sat, 30 Jun 2007 09:58:39 -0400
From:	Mike Frysinger <vapier@...too.org>
To:	Adrian McMenamin <adrian@...golddream.dyndns.info>
Cc:	Satyam Sharma <satyam.sharma@...il.com>,
	linuxsh-dev@...ts.sourceforge.net,
	LKML <linux-kernel@...r.kernel.org>,
	Sam Ravnborg <sam@...nborg.org>
Subject: Re: sh section mismatches [was Re: 2.6.22-rc6 on Dreamcast (SH4)]

On Saturday 30 June 2007, Adrian McMenamin wrote:
> On Thu, 2007-06-28 at 17:27 +0530, Satyam Sharma wrote:
> > Hi,
> >
> > > On Monday 25 June 2007, Adrian McMenamin wrote:
> > > > Still getting this:
> > > >
> > > >  MODPOST vmlinux
> > > > WARNING: arch/sh/boards/dreamcast/built-in.o(.data+0x0): Section
> > > > mismatch: reference to .init.text: (between 'mv_dreamcast' and
> > > > 'systemasic_int')
> >
> > I had sent a patch for this earlier ... Adrian, did you try (build + boot
> > + testrun) with it? Does this one go away (and system executes fine)?
> >
> > [ http://lkml.org/lkml/diff/2007/6/23/116/1 ]
> >
> > [ This has to do with __init functions calling __initmv functions in a
> > zillion files in arch/sh/boards/.../setup.c which is problematic when
> > __initmv is not __init itself (!SH_GENERIC && !SH_UNKNOWN) ]
> >
> > > > WARNING: drivers/built-in.o(.text+0x168e0): Section mismatch:
> > > > reference to .init.data: (between 'pvr2fb_check_var' and
> > > > 'pvr2fb_interrupt') WARNING: drivers/built-in.o(.text+0x1701c):
> > > > Section mismatch: reference to .init.data: (between
> > > > 'pvr2fb_pci_probe' and 'read_mem')
> > > > WARNING: drivers/built-in.o(.text+0x17024): Section mismatch:
> > > > reference to .init.text: (between 'pvr2fb_pci_probe' and 'read_mem')
> > > > WARNING: drivers/built-in.o(.data+0x738): Section mismatch: reference
> > > > to .init.text: (between 'board_list' and 'pvr2fb_pci_driver')
> > > > WARNING: drivers/built-in.o(.data+0x750): Section mismatch: reference
> > > > to .init.text: (between 'board_list' and 'pvr2fb_pci_driver')
> >
> > drivers/video/pvr2fb.c is a mess with __init, __initdata, __devinit and
> > __devinitdata (__exit and __devexit variants for good measure) all being
> > used and referencing each other freely ... I have no idea what function
> > should actually be what. Sam normally knows about such things,
> > adding him to Cc: list.
>
> Finally got around to applying this patch, but it doesn't fix the
> problem...

sure it did ... his patch was to address just the stuff in arch/sh/, not the 
pvr video driver, and your output shows that it is working
-mike

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