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From: Pierre Morel <pmorel@linux.ibm.com>
To: Halil Pasic <pasic@linux.ibm.com>
Cc: Cornelia Huck <cohuck@redhat.com>,
	borntraeger@de.ibm.com, alex.williamson@redhat.com,
	linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org,
	kvm@vger.kernel.org, frankja@linux.ibm.com,
	akrowiak@linux.ibm.com, david@redhat.com, schwidefsky@de.ibm.com,
	heiko.carstens@de.ibm.com, freude@linux.ibm.com,
	mimu@linux.ibm.com
Subject: Re: [PATCH v5 1/7] s390: ap: kvm: add PQAP interception for AQIC
Date: Thu, 21 Mar 2019 15:05:37 +0100	[thread overview]
Message-ID: <268c46f2-4c30-adfd-25a4-29330aa89b35@linux.ibm.com> (raw)
In-Reply-To: <9c114f56-70bd-cc9e-3751-f62494407246@linux.ibm.com>

On 19/03/2019 18:07, Pierre Morel wrote:
> On 19/03/2019 15:54, Halil Pasic wrote:
>> On Tue, 19 Mar 2019 11:01:44 +0100
>> Pierre Morel <pmorel@linux.ibm.com> wrote:
>>
>>> On 15/03/2019 18:28, Halil Pasic wrote:
>>

...snip...

>>
>>> We should also do it right for TAPQ with t bit set. I remember
>>> Christian already warned about this but we did not implement it.
>>>
>>
>> Yes, I have some blurry memories of something similar myself. I wonder
>> if there was a reason, or did we just forget to address this issue.
> 
> 
> I will integrate it in the next iteration too, even it is not IRQ, the 
> PQAP hook patch can be more general.

After all, I will not do this, I remember the reason why we did not do 
it once: simply it is not intercepted until we enable it.

So we will handle it when we enable the TAPQ-t interception

Regards,
Pierre

-- 
Pierre Morel
Linux/KVM/QEMU in Böblingen - Germany

  reply	other threads:[~2019-03-21 14:05 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-13 16:04 [PATCH v5 0/7] vfio: ap: AP Queue Interrupt Control Pierre Morel
2019-03-13 16:04 ` [PATCH v5 1/7] s390: ap: kvm: add PQAP interception for AQIC Pierre Morel
2019-03-15 10:20   ` Cornelia Huck
2019-03-15 13:26     ` Pierre Morel
2019-03-15 13:41       ` Cornelia Huck
2019-03-15 13:44         ` Pierre Morel
2019-03-15 14:10       ` Pierre Morel
2019-03-15 17:43         ` Halil Pasic
2019-03-19  9:55         ` Pierre Morel
2019-03-15 17:28       ` Halil Pasic
2019-03-19 10:01         ` Pierre Morel
2019-03-19 14:54           ` Halil Pasic
2019-03-19 17:07             ` Pierre Morel
2019-03-21 14:05               ` Pierre Morel [this message]
2019-03-13 16:04 ` [PATCH v5 2/7] s390: ap: new vfio_ap_queue structure Pierre Morel
2019-03-15 10:33   ` Cornelia Huck
2019-03-15 13:29     ` Pierre Morel
2019-03-13 16:05 ` [PATCH v5 3/7] vfio: ap: register IOMMU VFIO notifier Pierre Morel
2019-03-13 16:05 ` [PATCH v5 4/7] s390: ap: setup relation betwen KVM and mediated device Pierre Morel
2019-03-15 18:15   ` Halil Pasic
2019-03-19  9:38     ` Pierre Morel
2019-03-19 11:54       ` Halil Pasic
2019-03-19 14:23         ` Pierre Morel
2019-03-19 14:47           ` Pierre Morel
2019-03-19 15:27             ` Halil Pasic
2019-03-19 16:48               ` Pierre Morel
2019-03-13 16:05 ` [PATCH v5 5/7] s390: ap: implement PAPQ AQIC interception in kernel Pierre Morel
2019-03-13 16:05 ` [PATCH v5 6/7] s390: ap: Cleanup on removing the AP device Pierre Morel
2019-03-13 16:05 ` [PATCH v5 7/7] s390: ap: kvm: Enable PQAP/AQIC facility for the guest Pierre Morel

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