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Re: [Xen-devel] [PATCH v3 10/10] x86/MSI-X: provide hypercall interface for mask-all control
>>> On 23.06.15 at 09:29, <roger.pau@xxxxxxxxxx> wrote:
> FreeBSD never supported PV Dom0 operation, it only had a very minimal
> and crappy i386 PV DomU support which has now been completely removed.
> Maybe you are confusing it with NetBSD, which does have PV Dom0 support
> since a long time ago?
Very likely.
> Yes, FreeBSD only aims to run as PVHVM or PVH (or whatever we call HVM
> without a device model guests). I frankly don't mind trying to change
> this in FreeBSD if there's a good rational behind it. I'm currently
> testing FreeBSD with the change above to see how it behaves.
>
> Why doesn't Linux use the low 256 bytes of the config space and instead
> uses the IO ports with PCIe devices?
See
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit?id=a0ca9909609470ad779b9b9cc68ce96e975afff7
Jan
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