Re: [RFC PATCH v2 0/2] Eventfd signal on guest AP configuration change

Rorie Reyes
2025-02-26T18:05:57Z

On 2/26/25 1:03 PM, Rorie Reyes wrote:
> Changelog:
>
> v2:
> - Fixing remove notification for AP configuration
>
> --------------------------------------------------------------------------
>
> The purpose of this patch is to provide immediate notification of changes
> made to a guest's AP configuration by the vfio_ap driver. This will enable
> the guest to take immediate action rather than relying on polling or some
> other inefficient mechanism to detect changes to its AP configuration.
>
> Note that there are corresponding QEMU patches that will be shipped along
> with this patch (see vfio-ap: Report vfio-ap configuration changes) that
> will pick up the eventfd signal.
>
> Rorie Reyes (2):
> s390/vfio-ap: Signal eventfd when guest AP configuration is changed
> s390/vfio-ap: Fixing mdev remove notification
>
> drivers/s390/crypto/vfio_ap_ops.c | 65 ++++++++++++++++++++++++++-
> drivers/s390/crypto/vfio_ap_private.h | 2 +
> include/uapi/linux/vfio.h | 1 +
> 3 files changed, 67 insertions(+), 1 deletion(-)
>
Please ignore this email. I sent the wrong version