linux-kernel - Re: Build regressions/improvements in v3.5-rc3

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Message-ID: <20120620035951.GC5623@linux-sh.org>
Date:	Wed, 20 Jun 2012 12:59:51 +0900
From:	Paul Mundt <lethal@...ux-sh.org>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:	linux-kernel@...r.kernel.org,
	Linuxppc-dev <linuxppc-dev@...abs.org>,
	Linux MIPS Mailing List <linux-mips@...ux-mips.org>,
	Linux-sh list <linux-sh@...r.kernel.org>,
	Chris Zankel <chris@...kel.net>,
	Giuseppe Cavallaro <peppe.cavallaro@...com>
Subject: Re: Build regressions/improvements in v3.5-rc3

On Sun, Jun 17, 2012 at 09:56:59PM +0200, Geert Uytterhoeven wrote:
> On Sun, Jun 17, 2012 at 9:46 PM, Geert Uytterhoeven
> <geert@...ux-m68k.org> wrote:
> > JFYI, when comparing v3.5-rc3 to v3.5-rc2[3], the summaries are:
> > ??- build errors: +235/-10
> 
> Truckloads of powerpc "Unrecognized opcode" breakage, and
> 
That was my fault, should be fixed up by 2603efa31a.

>   + drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c: error: implicit
> declaration of function 'pci_iomap'
> [-Werror=implicit-function-declaration]:  => 90:3
>   + drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c: error: implicit
> declaration of function 'pci_iounmap'
> [-Werror=implicit-function-declaration]:  => 142:2
> 
Not sure about this one, it should find everything alright via:

	linux/io.h -> asm/io.h -> asm-generic/iomap.h -> asm-generic/pci_iomap.h

in the case that PCI is enabled. None of allyesconfig/modconfig enable
PCI for me though, so I'm unsure of how you got in to this configuration
to begin with?

> xtensa
> 
>   + error: "__ashrdi3" [fs/ntfs/ntfs.ko] undefined!:  => N/A
>   + error: "__lshrdi3" [fs/ntfs/ntfs.ko] undefined!:  => N/A
> 
> sh4/landisk_defconfig
> 
>   + error: "__ashrdi3" [fs/xfs/xfs.ko] undefined!:  => N/A
>   + error: "__lshrdi3" [drivers/mtd/mtd.ko] undefined!:  => N/A
>   + error: "__lshrdi3" [fs/xfs/xfs.ko] undefined!:  => N/A
> 
These seem to be the same issue on both platforms, EXPORT_SYMBOL()
doesn't work from lib-y. While it's straightforward to fix, I'm not able
to reproduce __lshrdi3/__ashrdi3 references in any of the above, which
compiler are you using?
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