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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? Ingo - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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