Re: [PATCH 07/13] x86/kconfig/64: Enable more virtualization guest options in the defconfig: enable Xen, Xen_PVH, Jailhouse, ACRN, Intel TDX and Hyper-V

From: Peter Zijlstra
Date: Sat Jun 14 2025 - 06:31:34 EST


On Thu, May 15, 2025 at 11:40:06PM +0000, Michael Kelley wrote:
> From: Ingo Molnar <mingo@xxxxxxxxxx> Sent: Thursday, May 15, 2025 6:27 AM
> >
> > Since the x86 defconfig aims to be a distro kernel work-alike with
> > fewer drivers and a shorter build time, refresh all the virtualization
> > guest Kconfig features, enabling paravirt spinlocks, and
> > enabling the guest support code for the following guests:
> >
> > - Xen
> > - Xen_PVH
> > - Jailhouse
> > - ACRN
> > - Intel TDX
> > - Hyper-V
>
> I built and tested a Hyper-V guest with defconfig. The Hyper-V storage
> and keyboard drivers are pulled in automatically, so my previous
> comment about them being "missing" is moot.
>
> But the Linux console for each Hyper-V guest is a synthetic graphics
> console,

So clearly I'm a caveman like creature, but surely those things have
serial console, right? I mean, that's how I access all my test boxes,
serial console and ssh. What more does one really need :-)

/me crawls back into his cave.