On Mon, 2007-01-29 at 09:37 -0800, Andrew Morton wrote:
> hm, thanks for testing - I'll drop it.
>
> I don't really understand what's wrong with it though. Maybe it's settng
> USER_DS on kernel threads?
For architectures with a split address space there has to be a call
set_fs(USER_DS) that switches from KERNEL_DS to USER_DS for the init
process. So far this has been done in search_binary_handler and
traditionally the kernel starts with KERNEL_DS to make the early
copy_from_user calls work.
So, what is wrong with always setting USER_DS? We are starting a user
space process after all.
--
blue skies,
Martin.
Martin Schwidefsky
Linux for zSeries Development & Services
IBM Deutschland Entwicklung GmbH
"Reality continues to ruin my life." - Calvin.
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