On 15/12/16 15:53, Jan Beulich wrote:
> Commit 83cd2038fe ("VT-d: use msi_compose_msg()) together with
> 15aa6c6748 ("amd iommu: use base platform MSI implementation"),
> introducing the use of a per-CPU scratch CPU mask, went too far:
> dma_msi_set_affinity() may, at least in theory, be called in
Commit 83cd2038fe ("VT-d: use msi_compose_msg()) together with
15aa6c6748 ("amd iommu: use base platform MSI implementation"),
introducing the use of a per-CPU scratch CPU mask, went too far:
dma_msi_set_affinity() may, at least in theory, be called in
interrupt context, and hence the use of that
