Re: [kvm-unit-tests PATCH v6 04/10] s390x: interrupt registration

Cornelia Huck
2020-05-14T11:58:16Z

On Fri, 24 Apr 2020 12:45:46 +0200
Pierre Morel <pmorel@linux.ibm.com> wrote:

> Let's make it possible to add and remove a custom io interrupt handler,
> that can be used instead of the normal one.
>
> Signed-off-by: Pierre Morel <pmorel@linux.ibm.com>
> Reviewed-by: Thomas Huth <thuth@redhat.com>
> Reviewed-by: David Hildenbrand <david@redhat.com>
> Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
> ---
> lib/s390x/interrupt.c | 23 ++++++++++++++++++++++-
> lib/s390x/interrupt.h | 8 ++++++++
> 2 files changed, 30 insertions(+), 1 deletion(-)
> create mode 100644 lib/s390x/interrupt.h

As the "normal one" means "no handler, just abort", is there any reason
not simply to always provide one? What is the use case for multiple I/O
interrupt handlers?