| To: | <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] [PATCH] Fix 32bit SMP Vista bootup issue |
| From: | "Yang, Xiaowei" <xiaowei.yang@xxxxxxxxx> |
| Date: | 2006年10月25日 16:57:22 +0800 |
| Delivery-date: | 2006年10月25日 05:37:12 -0700 |
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| Thread-index: | Acb4E5V5aPB+w24xTfe5L3CzEVbV8Q== |
| Thread-topic: | [PATCH] Fix 32bit SMP Vista bootup issue |
As we know, 32bit SMP Vista uses RTC as periodic timer for timekeeping. It programs ioapic to deliver RTC interrupt to vcpu0. When vcpu0 handles RTC interrupt, it sends IPI with the same vector number ioapic uses for RTC entry to notify other processor to do time related work, like scheduling. hvm_interrupt_post() mistakes it for another timer interrupt and does some extra unwanted work, which makes RTC read result error sometimes. This patch fixes it. Signed-off-by: Xiaowei Yang <xiaowei.yang@xxxxxxxxx> Thanks, Xiaowei
Attachment:
32smp.patch
Description: 32smp.patch
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