On Mon, May 06, 2019 at 07:52:03PM +0100, Tom Murphy via iommu wrote:
> We can remove the mutex lock from amd_iommu_map and amd_iommu_unmap.
> iommu_map doesn’t lock while mapping and so no two calls should touch
> the same iova range. The AMD driver already handles the page table page
>
On Tue, Jun 4, 2019 at 11:11 AM Robin Murphy wrote:
>
> On 06/05/2019 19:52, Tom Murphy wrote:
> > Add a gfp_t parameter to the iommu_ops::map function.
> > Remove the needless locking in the AMD iommu driver.
> >
> > The iommu_ops::map function (or the iommu_map function which calls it)
> > was
On Tue, Jun 4, 2019 at 7:11 PM Robin Murphy wrote:
>
> On 06/05/2019 19:52, Tom Murphy wrote:
> > Add a gfp_t parameter to the iommu_ops::map function.
> > Remove the needless locking in the AMD iommu driver.
> >
> > The iommu_ops::map function (or the iommu_map function which calls it)
> > was
On 06/05/2019 19:52, Tom Murphy wrote:
Add a gfp_t parameter to the iommu_ops::map function.
Remove the needless locking in the AMD iommu driver.
The iommu_ops::map function (or the iommu_map function which calls it)
was always supposed to be sleepable (according to Joerg's comment in
this
