On 4/13/07, Jeff Dike <jdike@addtoit.com> wrote:
On Thu, Apr 12, 2007 at 10:14:32PM -0700, Haifeng He wrote:
> 3. foo is called at many places.
>
> If not, what could be the cause for such error? The strange thing is,
> if I just read value of "a" from "current", kernel runs fine.

Did you put a call in userspace_tramp?
 
Yes. So that is the problem. Is there any other place which may cause
similar problems?
 
Thanks
 
Haifeng

                               Jeff

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Work email - jdike at linux dot intel dot com