Alex Williamson wrote:
We're currently using a counter to track the most recent GSI we've
handed out. This quickly hits KVM_MAX_IRQ_ROUTES when using device
assignment with a driver that regularly toggles the MSI enable bit.
This can mean only a few minutes of usable run time. Instead, track
used GSIs in a bitmap.
v6: Make use of ALIGN macro, per Michael
Define KVM_IOAPIC_NUM_PINS if not already, per Michael
Due to me being slow I nacked this after you prepared the new patch. Sorry.
We could define have platform_gsis passed from qemu to tell us how many
GSIs to reserve (let's pretend libkvm isn't on death row for a moment).
--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.
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