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Date: Thu, 21 Mar 2019 15:05:37 +0100 From: Pierre Morel <pmorel@...ux.ibm.com> To: Halil Pasic <pasic@...ux.ibm.com> Cc: Cornelia Huck <cohuck@...hat.com>, borntraeger@...ibm.com, alex.williamson@...hat.com, linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org, kvm@...r.kernel.org, frankja@...ux.ibm.com, akrowiak@...ux.ibm.com, david@...hat.com, schwidefsky@...ibm.com, heiko.carstens@...ibm.com, freude@...ux.ibm.com, mimu@...ux.ibm.com Subject: Re: [PATCH v5 1/7] s390: ap: kvm: add PQAP interception for AQIC 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@...ux.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
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