On Thu, 14 May 2015 13:53:57 +1000
Alexey Kardashevskiy wrote:
> On 05/14/2015 01:00 AM, Thomas Huth wrote:
> > On Tue, 12 May 2015 01:39:12 +1000
> > Alexey Kardashevskiy wrote:
...
> >> -/*
> >> - * hwaddr is a kernel virtual address here (0xc... bazillion),
> >> - * tce_build converts it to a
On 05/14/2015 01:00 AM, Thomas Huth wrote:
On Tue, 12 May 2015 01:39:12 +1000
Alexey Kardashevskiy wrote:
At the moment writing new TCE value to the IOMMU table fails with EBUSY
if there is a valid entry already. However PAPR specification allows
the guest to write new TCE value without cleari
On Tue, 12 May 2015 01:39:12 +1000
Alexey Kardashevskiy wrote:
> At the moment writing new TCE value to the IOMMU table fails with EBUSY
> if there is a valid entry already. However PAPR specification allows
> the guest to write new TCE value without clearing it first.
>
> Another problem this p
At the moment writing new TCE value to the IOMMU table fails with EBUSY
if there is a valid entry already. However PAPR specification allows
the guest to write new TCE value without clearing it first.
Another problem this patch is addressing is the use of pool locks for
external IOMMU users such a
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