Beth Kon wrote:
These patches resolve the irq0->inti2 override issue, and get the hpet working
on kvm with and without -no-kvm-irqchip (i.e., when hpet takes over, it
disables userspace or in-kernel pit as appropriate).
The irq0->inti2 override will always be used unless the kernel cannot do irq
routing (i.e., compatibility with old kernels). So if the kernel is capable,
userspace sets up irq0->inti2 via the irq routing interface, and adds the
irq0->inti2 override to the MADT interrupt source override table,
and the mp table (for the no-acpi case).
A couple of months ago, Marcelo was seeing RHEL5 guests complain of invalid
checksum with these patches, but later he couldn't reproduce it, and I'm not
seeing it now. While all guests still need to be fully tested, everything
appears to be in order. I've tested on win2k864, win2k832, RHEL5.3 32 bit,
and ubuntu 8.10 64 bit.
Both patches look good. However, the bios in kvm-userspace.git is
pretty old. To ease later merging, I'd like to update the bios first,
so please rebase the patches once I've done that. It will take a few
days since large merges are blocked while I struggle to get a working
kvm-85 out.
Please also separate the bios patches from qemu patches.
--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.
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