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xen-devel
Re: [Xen-devel] Re: VM hung after running sometime
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To: |
MaoXiaoyun <tinnycloud@xxxxxxxxxxx> |
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Subject: |
Re: [Xen-devel] Re: VM hung after running sometime |
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From: |
Jeremy Fitzhardinge <jeremy@xxxxxxxx> |
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Date: |
Tue, 28 Sep 2010 10:07:28 -0700 |
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Cc: |
xen devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, keir.fraser@xxxxxxxxxxxxx |
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Tue, 28 Sep 2010 10:09:15 -0700 |
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On 09/28/2010 04:23 AM, MaoXiaoyun wrote:
>
> Is it safe to set irq affinity(including NIC, domain event, etc) manually?
> Will it cause irq lost?
There's only a very small chance of a lost interrupt, especially if the
device is mostly idle at the time. The event can only be lost if:
1. it is handling a device interrupt
2. you migrate it to another cpu
3. another interrupt comes in before the first one has finished
processing
J
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