Sorry for that. Could you give any suggestions on how to register the IRQ handler for #VE?
2016-09-02 15:52 GMT+08:00 Jan Beulich <jbeul...@suse.com>: > >>> On 02.09.16 at 04:59, <fangtu...@gmail.com> wrote: > > I'm recently trying to utilize the virtualization exception (#VE) > feature. > > As the document says, #VE is handled by guest interrupt handler. The IRQ > > number of #VE is 20. However, when I tried to register an IRQ handler for > > #VE, it returns errno -22, which means invalid arguments. > > > > request_irq(20, ve_handler, IRQF_NO_SUSPEND, "ve", NULL) > > > > Is there anything wrong? > > You're mixing up exception vectors and IRQ numbers. > > Jan > >
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