linux-kernel - Re: linux-next: build failure after merge of the final tree

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Date:	Fri, 6 Jul 2012 13:01:37 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Alan Modra <amodra@...il.com>
Cc:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	linuxppc-dev@...ts.ozlabs.org, linux-next@...r.kernel.org,
	linux-kernel@...r.kernel.org, tony@...eyournoodle.com
Subject: Re: linux-next: build failure after merge of the final tree

Hi Alan,

On Fri, 6 Jul 2012 10:27:10 +0930 Alan Modra <amodra@...il.com> wrote:
>
> On Fri, Jul 06, 2012 at 10:21:51AM +1000, Stephen Rothwell wrote:
> > which have now been fixed.  So would a simple patch that puts the
> > _savegpr etc functions in their own section (defined how?) fix this for
> > us?
> 
> Ah, the kernel provides its own save/restore functions, and these get
> mashed into a .text containing normal functions with toc references by
> ld -r.  Well, you could stop using ld -r.  Otherwise, try
> 
>  .section ".text.save.restore","ax",@progbits

OK, so that helped a lot.  Now I get this:

drivers/built-in.o: In function `.idt77252_init_ubr.isra.10':
idt77252.c:(.text+0x1ff801c): relocation truncated to fit: R_PPC64_REL24 against symbol `._mcount' defined in .text section in arch/powerpc/kernel/entry_64.o
drivers/built-in.o: In function `.idt77252_init_tx':
idt77252.c:(.text+0x1ff8258): relocation truncated to fit: R_PPC64_REL24 against symbol `._mcount' defined in .text section in arch/powerpc/kernel/entry_64.o
drivers/built-in.o: In function `.idt77252_change_qos':
idt77252.c:(.text+0x1ff86a0): relocation truncated to fit: R_PPC64_REL24 against symbol `._mcount' defined in .text section in arch/powerpc/kernel/entry_64.o
drivers/built-in.o: In function `.idt77252_open':
idt77252.c:(.text+0x1ff898c): relocation truncated to fit: R_PPC64_REL24 against symbol `._mcount' defined in .text section in arch/powerpc/kernel/entry_64.o
idt77252.c:(.text+0x1ff8f4c): relocation truncated to fit: R_PPC64_REL24 against symbol `_restgpr0_22' defined in .text.save.restore section in arch/powerpc/lib/built-in.o
drivers/built-in.o: In function `.next_string':
solos-pci.c:(.text+0x1ff8f54): relocation truncated to fit: R_PPC64_REL24 against symbol `_savegpr0_29' defined in .text.save.restore section in arch/powerpc/lib/built-in.o
solos-pci.c:(.text+0x1ff8f64): relocation truncated to fit: R_PPC64_REL24 against symbol `._mcount' defined in .text section in arch/powerpc/kernel/entry_64.o
drivers/built-in.o: In function `.print_buffer':
solos-pci.c:(.text+0x1ff904c): relocation truncated to fit: R_PPC64_REL24 against symbol `._mcount' defined in .text section in arch/powerpc/kernel/entry_64.o
drivers/built-in.o: In function `.atm_remove':
solos-pci.c:(.text+0x1ff91d4): relocation truncated to fit: R_PPC64_REL24 against symbol `._mcount' defined in .text section in arch/powerpc/kernel/entry_64.o
solos-pci.c:(.text+0x1ff923c): relocation truncated to fit: R_PPC64_REL24 against symbol `.sysfs_remove_group' defined in .text section in fs/built-in.o
drivers/built-in.o: In function `.fpga_tx':
solos-pci.c:(.text+0x1ff950c): additional relocation overflows omitted from the output

I assume at this point, we are just too large.
-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au

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