Messages in this thread | | | Date | Wed, 29 Jun 2005 15:09:02 +0200 | From | Ingo Molnar <> | Subject | Re: Handle kernel page faults using task gate |
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* eliad lubovsky <eliadl@013.net> wrote:
> I am trying to handle page faults exceptions in the kernel using the > task gate mechanism. I succeeded to transfer the execution to my page > fault handler using a new TSS and updates to the GDT and IDT tables > (similar to the double fault mechanism in 2.6). After handling the > fault and allocating the physical page I use the iret instruction to > switch back to the previous task. The problem is that I got a double > fault with the same address that cause the fault (although the > physical page is allocated and mapped). Any clues?
are you clearing the 'nested task' (NT) flag of the new TSS once you have switched to it?
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