linux-kernel - Re: m68k nommu: build failure in v3.8-rc2

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Date:	Mon, 07 Jan 2013 11:11:43 +1000
From:	Greg Ungerer <gregungerer@...tnet.com.au>
To:	Richard Cochran <richardcochran@...il.com>
CC:	linux-kernel@...r.kernel.org,
	uClinux development list <uclinux-dev@...inux.org>,
	Greg Ungerer <gerg@...inux.org>
Subject: Re: m68k nommu: build failure in v3.8-rc2

Hi Richard,

On 01/06/2013 10:26 PM, Richard Cochran wrote:
> I see the following error, using the .config inline, below.
>
> arch/m68k/mm/init.c: In function 'print_memmap':
> arch/m68k/mm/init.c:139:2: error: 'KMAP_START' undeclared (first use in this function)
> arch/m68k/mm/init.c:139:2: note: each undeclared identifier is reported only once for each function it appears in
> arch/m68k/mm/init.c:139:2: error: 'KMAP_END' undeclared (first use in this function)
>
> Looks to me like KMAP_START is only meant for the MMU case. This error
> was possibly caused by one of these two patches.
>
> $ pr v3.7.. -- arch/m68k/mm/init.c
> f50bf88 m68k: move to a single instance of free_initmem()
> dd1cb3a m68k: merge MMU and non-MMU versions of mm/init.c
>
> What is the right fix for this?

This is the planned fix:

http://marc.info/?l=linux-m68k&m=135088484810474&w=2

Well actually it was meant to go in before the above changes. I
have it queued to go to Linus soon. Just awaiting another fix
for non-mmu 68000 build issues so I can send them all together.

Regards
Greg


> ---
> #
> # Automatically generated file; DO NOT EDIT.
> # Linux/m68k 3.8.0-rc2 Kernel Configuration
> #
> CONFIG_M68K=y
> CONFIG_RWSEM_GENERIC_SPINLOCK=y
> CONFIG_GENERIC_GPIO=y
> CONFIG_GENERIC_HWEIGHT=y
> CONFIG_GENERIC_CALIBRATE_DELAY=y
> CONFIG_GENERIC_CSUM=y
> CONFIG_TIME_LOW_RES=y
> CONFIG_NO_IOPORT=y
> # CONFIG_NO_DMA is not set
> CONFIG_ZONE_DMA=y
> CONFIG_HZ=100
> CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
>
> #
> # General setup
> #
> CONFIG_EXPERIMENTAL=y
> CONFIG_BROKEN_ON_SMP=y
> CONFIG_INIT_ENV_ARG_LIMIT=32
> CONFIG_CROSS_COMPILE=""
> CONFIG_LOCALVERSION=""
> CONFIG_LOCALVERSION_AUTO=y
> CONFIG_DEFAULT_HOSTNAME="(none)"
> # CONFIG_SYSVIPC is not set
> # CONFIG_POSIX_MQUEUE is not set
> # CONFIG_FHANDLE is not set
> # CONFIG_AUDIT is not set
> CONFIG_HAVE_GENERIC_HARDIRQS=y
>


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