Messages in this thread | | | From | Oliver Neukum <> | Subject | Re: A question on kernel stack | Date | Fri, 21 Feb 2003 19:09:41 +0100 |
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Am Freitag, 21. Februar 2003 19:05 schrieb nataraja kumar: > hi, > my apologies if i am wrong. please let me know > why does kernel use kernel stack when process jumps > from user mode to kernel mode. why can't user stack > be used ?
Security. We can't trust user mode to pass a valid stack pointer.
Oliver
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