From: Pierre Morel <pmorel@linux.ibm.com>
To: Cornelia Huck <cohuck@redhat.com>
Cc: walling@linux.ibm.com, borntraeger@de.ibm.com, rth@twiddle.net,
david@redhat.com, qemu-s390x@nongnu.org, qemu-devel@nongnu.org,
pasic@linux.ibm.com, thuth@redhat.com
Subject: Re: [Qemu-devel] [PATCH] s390x/pci: Set the iommu region size as guest wants
Date: Thu, 10 Jan 2019 13:50:56 +0100 [thread overview]
Message-ID: <f26b62c2-1820-e7e8-3439-a9df0534a0a3@linux.ibm.com> (raw)
In-Reply-To: <20190109135919.3ebb7d03.cohuck@redhat.com>
On 09/01/2019 13:59, Cornelia Huck wrote:
> On Tue, 8 Jan 2019 18:33:39 +0100
> Pierre Morel <pmorel@linux.ibm.com> wrote:
>
>> The size of the accessible iommu memory region in the guest
>> is calculated by the gues as:
>
> s/gues/guest/
>
>> (PCI Address Limit) - (PCI Base Address) + 1.
>>
>> Let's use this value to limit the IOMMU region size.
>
> These are values provided by the guest in the mpcifc call, aren't they?
> Let's mention that in the patch description, so it is more obvious :)
>
OK thanks.
Regards,
Pierre
--
Pierre Morel
Linux/KVM/QEMU in Böblingen - Germany
prev parent reply other threads:[~2019-01-10 12:51 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-08 17:33 [Qemu-devel] [PATCH] s390x/pci: Set the iommu region size as guest wants Pierre Morel
2019-01-09 12:59 ` Cornelia Huck
2019-01-10 12:50 ` Pierre Morel [this message]
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