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xen-ia64-devel
Re: [Xen-devel][RFC]degradation on IPF due to hypercall set irq
On 22/11/06 7:55 am, "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx> wrote:
> Have an array of set_level hypercall structures, and an array of multicall
> structures. Fill them in at the point we currently do the hypercall. Flush
> when:
> A) the array is already full; or
> B) when qemu passes through its event loop.
>
> Make the arrays 16 entries large, for example, will be plenty.
>
> Use the same mechanism for the notification (i.e., add to the multicall
> array, to be flushed by qemu's main loop).
To clarify, by event/main loop I mean: Flush just before qemu blocks
(otherwise multicall can be held for unbounded time, unless we set a
batching timeout which hopefully we can avoid needing to do).
-- Keir
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- RE: [Xen-devel][RFC]degradation on IPF due to hypercall set irq, Xu, Anthony
- RE: [Xen-devel][RFC]degradation on IPF due to hypercall set irq, Xu, Anthony
- RE: [Xen-devel][RFC]degradation on IPF due to hypercall set irq, Xu, Anthony
- RE: [Xen-devel][RFC]degradation on IPF due to hypercall set irq, Xu, Anthony
- RE: [Xen-devel][RFC]degradation on IPF due to hypercall set irq, Xu, Anthony
- RE: [Xen-devel][RFC]degradation on IPF due to hypercall set irq, Xu, Anthony
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