On 28.10.2011, at 03:56, David Gibson wrote:
> Sufficiently recent kernels include a KVM call to accelerate use of
> PAPR TCE tables (IOMMU), which are used by PAPR virtual IO devices.
> This involves qemu mapping the TCE table in from a kernel obtained fd,
> which currently we do with PROT_READ
Sufficiently recent kernels include a KVM call to accelerate use of
PAPR TCE tables (IOMMU), which are used by PAPR virtual IO devices.
This involves qemu mapping the TCE table in from a kernel obtained fd,
which currently we do with PROT_READ only. This is a hangover from
early (never released) v
