As Today there were lots of topics, here is a collapsed agenda,
basically three main topics now that Buildbot is dropped:
* Buildbot: discussed on the list (Andreas retired it)
* Replacing select(2) so that we will not hit the 1024 fd_set limit in the
future. (stefan)
* Outstanding virtio work for 1.4
- Multiqueue virtio-net (Amos/Michael)
- Refactorings (Fred/Peter)
- virtio-ccw (Cornelia/Alex)
We need to work out the ordering here and what's reasonable to merge
over the next week.
* What's the plan for -device and IRQ assignment? (Alex)
We need to start coming up with a solution to connect irq lines
between cmdline created devices and interrupt controllers. Currently,
I'm aware of 2 potential users
- virtio-mmio
- device assignment on platform devices
I see 2 options:
- create a new platform bus that enumerates IRQs linearly, similar
to how the ISA bus works
- allow arbitrary irq pin connection using a global pin namespace
Surely what you want is to specify IRQ connections via
something like "my-uart.irq => interrupt-controller.in[14]"
(adjust punctuation to taste)?
They're just device-to-device connections.
You also need some way of specifying where in a memory map
mmio devices should live. This is a little tricky because
you don't want to assume a global flat address space (in
future if we get the memory APIs right then devices could be
in the address space of just one of 4 CPUs, for instance).
"my-uart.regs => cpu1.memory[0x4000..0x4100]" ?
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