Messages in this thread | | | Date | Wed, 5 Aug 1998 18:18:00 +0200 (CEST) | From | Andrea Arcangeli <> | Subject | Re: Strange interrupt behaviour |
| |
On Fri, 17 Jul 1998, MOLNAR Ingo wrote:
>or, (beware, it's going to be ugly), read-only map the task stack's >lower-4k as lower-4k of the IRQ handler. NOTE, there will be _no_ per-IRQ >MMU cost with this trick, and it's nice with SMP and threads too.
After some days of study of mm layer and pdf x86 docs I am going to writing some code.
The first problem that arise is where to put the virtual address of the irq stacks. For a lot of reasons I think the best place for the virtual irq stacks in the fixmap area. Is that the best place to put the irq stack virtual addresses?
Andrea[s] Arcangeli
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.altern.org/andrebalsa/doc/lkml-faq.html
| |