Re: [Qemu-devel] [PATCH] Rewrite mmap_find_vma() to work fine on 64-bit hosts with 32-bit targets

[Martin Mohring]

Kirill A. Shutemov wrote:
> On Wed, Dec 03, 2008 at 02:50:57PM +0200, Kirill A. Shutemov wrote:
>   
>> On Wed, Dec 03, 2008 at 12:34:18PM +0000, Paul Brook wrote:
>>     
>>> On Wednesday 03 December 2008, Kirill A. Shutemov wrote:
>>>       
>>>> qemu's page table can be incomple if /proc/self/maps is unavailable or
>>>> host allocating a memory with mmap(), so we can't use it to find free
>>>> memory area.
>>>>         
>>> Do we really care? Do such systems exist?
>>>       
>> I use qemu-arm to build packages in restricted environment -- in hasher[1].
>> hasher mounts /proc only for packages that really need it for building
>> (java, for example).
>>
>> [1] http://en.altlinux.org/Hasher
>>     
>
> Paul, do you have any objection or not? I really want to see it into
> upstream
I have tested this also with OBS, where both of your cases can happen
(qemu-arm - linux-user). I works fine for me.

Martin