From: Big Strong <fangtuo90@gmail.com>
To: Jan Beulich <JBeulich@suse.com>
Cc: Tamas Lengyel <tamas.k.lengyel@gmail.com>,
xen-devel <xen-devel@lists.xen.org>
Subject: Re: fail to register IRQ for virtualization exception
Date: Fri, 2 Sep 2016 16:35:47 +0800 [thread overview]
Message-ID: <CAFnE1f3WwX0MWSzdp9peqaT=eCJk=De+rijdKT+3vx5-AbjWFw@mail.gmail.com> (raw)
In-Reply-To: <57C94BC0020000780010B177@prv-mh.provo.novell.com>
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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 <JBeulich@suse.com>:
> >>> On 02.09.16 at 04:59, <fangtuo90@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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next prev parent reply other threads:[~2016-09-02 8:35 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-02 2:59 fail to register IRQ for virtualization exception Big Strong
2016-09-02 7:52 ` Jan Beulich
2016-09-02 8:35 ` Big Strong [this message]
2016-09-02 12:35 ` Big Strong
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