Re: [PATCH v1] s390/vfio-ap: Signal eventfd when guest AP configuration is changed

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On 2/11/25 10:02 AM, Rorie Reyes wrote:

On 2/11/25 2:58 AM, Alexander Gordeev wrote:
On Thu, Feb 06, 2025 at 09:12:27AM -0500, Rorie Reyes wrote:

Hi Rorie,

On 2/6/25 2:40 AM, Alexander Gordeev wrote:
On Wed, Feb 05, 2025 at 12:47:55PM -0500, Anthony Krowiak wrote:
How this patch is synchronized with the mentioned QEMU series?
What is the series status, especially with the comment from Cédric
Le Goater [1]?

1. https://lore.kernel.org/all/20250107184354.91079-1-rreyes@xxxxxxxxxxxxx/T/#mb0d37909c5f69bdff96289094ac0bad0922a7cce
...
I don't think that is what Alex was asking. I believe he is asking how the
QEMU and kernel patch series are going to be synchronized.
Given the kernel series changes a value in vfio.h which is used by QEMU, the
two series need to be coordinated since the vfio.h file
used by QEMU can not be updated until the kernel code is available. So these
two sets of code have
to be merged upstream during a merge window. which is different for the
kernel and QEMU. At least I think that is what Alex is asking.
Correct.
Thanks for the clarification, Anthony!
Tony, thank you for the back up!

Alexander, is there anything else you need from my end for clarification?
The original question still stays - is it safe to pull this patch now,
before the corresponding QEMU change is integrated?

Alexander,

This patch has to be pulled before the QEMU patches are integrated. The change to the include/uapi/linux/vfio.h file needs to be merged before the QEMU version of that file can be generated for a QEMU build. I have given my r-b for this patch, so I think it is
safe to pull it now.



Thanks!

If there are no other concerns from anyone else, and Tony is ok to sign off, then I would say it's safe to pull the patch.

I do have a v2 of my QEMU changes that need to be reviewed so it would probably ok to pull the kernel patches now.

QEMU v2 patches: [RFC PATCH v2 0/5] Report vfio-ap configuration changes

Unless someone else has any concerns with my kernal changes?

Thanks!







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