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Re: [Qemu-devel] [PATCH v4 5/7] RTC:Add RTC update-ended interrupt suppo
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From: |
Stefano Stabellini |
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Subject: |
Re: [Qemu-devel] [PATCH v4 5/7] RTC:Add RTC update-ended interrupt support |
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Date: |
Thu, 22 Mar 2012 10:29:55 +0000 |
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User-agent: |
Alpine 2.00 (DEB 1167 2008-08-23) |
On Wed, 21 Mar 2012, Paolo Bonzini wrote:
> Il 21/03/2012 17:54, Stefano Stabellini ha scritto:
> >> >
> >> > No, you need to set UF in case the code observes it without actually
> >> > enabling interrupt delivery on the ISA bus.
> >
> > Well, if it is just about updating UF, can we do it only when the user
> > reads REG_C?
>
> Perhaps, but for AF it is much harder. Note that if the guest does not
> care, this will run just once.
Right, probably not worth the effort.
Re: [Qemu-devel] [PATCH v4 5/7] RTC:Add RTC update-ended interrupt support, Zhang, Yang Z, 2012/03/21