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Re: [Qemu-devel] [PATCH 5/5] pseries: Move XICS initialization before cp
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From: |
Benjamin Herrenschmidt |
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Subject: |
Re: [Qemu-devel] [PATCH 5/5] pseries: Move XICS initialization before cpu initialization |
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Date: |
Sat, 16 Mar 2013 06:41:27 +0100 |
On Sat, 2013-03-16 at 06:33 +0100, Alexander Graf wrote:
> >> We're changing that notion in the in-kernel XICS discussions. The
> flow will look like this:
> >>
> >> * create vcpus
> >> * create XICS
> >> * foreach (vcpu)
> >> * enable_cap(vcpu, CAP_XICS_SERVER, xics_handle)
> >
> > This is stupid. Why have the VCPU initialize itself for non-kernel
> > interrupts and *then* switch it over ?
>
> Because non-kernel initialization is a nop.
And ?
Ben.
[Qemu-devel] [PATCH 3/5] pseries: Fixes and enhancements to L1 cache properties, David Gibson, 2013/03/13