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Re: [qemu-s390x] [PATCH] s390x/pci: Set the iommu region size as guest w

From: Pierre Morel
Subject: Re: [qemu-s390x] [PATCH] s390x/pci: Set the iommu region size as guest wants
Date: Thu, 10 Jan 2019 13:50:56 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1

On 09/01/2019 13:59, Cornelia Huck wrote:
On Tue,  8 Jan 2019 18:33:39 +0100
Pierre Morel <address@hidden> wrote:

The size of the accessible iommu memory region in the guest
is calculated by the gues as:


     (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.


Pierre Morel
Linux/KVM/QEMU in Böblingen - Germany

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