Thanks for your patience,
Karthik
Erik Mouw <mouw@xxxxxxxxxxxx> wrote:
A: http://en.wikipedia.org/wiki/Top_post
Q: Were do I find info about this thing called top-posting?
A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing in e-mail?
A: No.
Q: Should I leave quotations after my reply?
On Thu, Jan 18, 2007 at 08:23:03AM -0800, Karthik.G. wrote:
> I would like to access the specific user location from the kernel thread.
Yes, but *why*?
> Can I temprorily map the specific page in the user process to the
> kernel thread and read/write its contents?
Not without major problems as you just found out. Apart from the
mapping problem, there are lots of other problems as well: if you're
using an SMP machine or have a preemptible kernel, the specific page
you just mapped might be taken away (unmapped, moved to swap).
> Im supposed to have a kernel thread running in one of my processors
> while it accesses the currently executing user process in another
> processor to do this . :(
Why? Please describe the ultimate goal, not the step you're trying to
take right now. See http://catb.org/~esr/faqs/smart-questions.html#goal .
Erik
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