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xen-users
[Xen-users] RE: Another question about msi.
>-----Original Message-----
>From: Carsten Schiers [mailto:carsten@xxxxxxxxxx]
>Sent: 2009年3月27日 4:40
>To: xen-users
>Cc: Jiang, Yunhong
>Subject: Another question about msi.
>
>Antoher question regarding MSI support.
>
>When I have a motherboard where two PCIe slots and one PCI
>slot share an
>interrupt when using current
>Xen and kernel with GSI, when I now use Xen 3.4-unstable and latest
>kernel, it will use the MSI (as the
>Two PCIe slots are occupied by realtek NICs and their modules are MSI
>aware). Two different MSI show up
>in /proc/interrupts.
>
>Does this now mean that I can pass-through the PCI slot into a
>pv DomU,
>because the GSI is now exclusively
>used by the PCI slot (what I could not do before, as NICs shared GSI
>with the network cards)?
I suspect even shared-interrupt devices can be assigned to different guest.
BTW, if a device can be assigned to a guest are determined by many factor, like
FLR support etc (at least for HVM domain).
>
>For your Info: Xen 3.3.1 and latest kernel will not work for me.
>
>Thanks,
>Carsten.
>
>
>
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