Re: parisc: fix mmap(MAP_FIXED|MAP_SHARED) to already mmapped address

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Hi Aaro,

On 12/23/2013 09:26 PM, Aaro Koskinen wrote:
> On Fri, Dec 20, 2013 at 11:10:03PM +0100, Helge Deller wrote:
>> You could try my current rewrite for the mmap functions which is in my "aio_mmap_fix" branch at
>> git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux.git
>> (http://git.kernel.org/cgit/linux/kernel/git/deller/parisc-linux.git/log/?h=aio_mmap_fix)
>> Pulling this branch on top of Linux head should work.
>> But I think it will not solve this problem.
> 
> FWIW, I pulled this branch (aaa88432c03b) on top of 3.13-rc5 and the
> system won't boot (HP C3700, 32-bit kernel). There's several stack trace
> dumps during the boot; if you're interested I might be able to setup a
> serial console to capture these.

Yes, the code hit a BUG_ON when running with 32bit kernel.
I just committed a trivial patch to the same tree, and now it works.

Helge 
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