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Re: [Xen-devel] Local APIC doesn't implement "One shot" mode?
| To: | <alarson@xxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] Local APIC doesn't implement "One shot" mode? |
| From: | Keir Fraser <keir@xxxxxxx> |
| Date: | Fri, 26 Nov 2010 10:23:56 +0000 |
| Cc: | |
| Delivery-date: | Fri, 26 Nov 2010 02:25:18 -0800 |
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| Thread-topic: | [Xen-devel] Local APIC doesn't implement "One shot" mode? |
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Please try the attached patch. K. On 23/11/2010 14:00, "alarson@xxxxxxxx" <alarson@xxxxxxxx> wrote: > I've now have gotten our OS running on Xen 4.0. Many thanks. > > However it appears that the Local APIC presented to the client only > implements the "periodic" timer mode, and not "one shot" (bit 17 of the > APIC Local Vector Table). I say "apparently" because I have limited time > on the hardware so I didn't have time to write a definitive test case, but > the external visible behavior is that the local apic timer does not stop > at zero when programmed for "one-shot" mode. This isn't overly difficult > for me to work around, but I thought I'd mention it just in case it > warranted fixing. If desired, I can confirm my conjecture the next time I > have time on the hardware. > > _______________________________________________ > Xen-devel mailing list > Xen-devel@xxxxxxxxxxxxxxxxxxx > http://lists.xensource.com/xen-devel
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