Re: [PATCH 0/2] xen: Fix PV-only build

From: Jan Beulich

Date: Thu Aug 06 2026 - 07:32:00 EST


On 06.08.2026 12:55, Juergen Gross wrote:
> On 06.08.26 03:52, Jason Andryuk wrote:
>> Allow disabling XEN_PVHVM for a PV-only. A stub in the event channel
>> code needs to be fixed first.
>>
>> Jason Andryuk (2):
>> xen/events: Fix xen_set_upcall_vector stub
>> xen/Kconfig: select XEN_PVHVM
>>
>> arch/x86/xen/Kconfig | 8 +++++---
>> drivers/xen/events/events_base.c | 2 +-
>> 2 files changed, 6 insertions(+), 4 deletions(-)
>>
>
> I did a comparison of a kernel built with your patches disabling XEN_PVHVM
> and my patches with XEN_PVHVM_GUEST disabled.
>
> The kernel built with my patches is 6 bytes smaller than the one with your
> patches.

Isn't this a sign of something else needing tweaking, somewhere?

> So I don't see any reason to take your patches, which conflict with mine,
> especially as my patches have a negative diffstat on source level, too.

Hmm, Jason's patches look to move things into a more adequate direction,
though. In which case I think a negative diffstat becomes an irrelevant
argument?

Jan