RE: [PATCH v5 1/2] ACPI/IORT: Add ITS address regions reservation helper

2017-08-08 Thread Shameerali Kolothum Thodi
iele Paoloni; John Garry; > Linuxarm; linux-a...@vger.kernel.org; iommu@lists.linux-foundation.org; > Wangzhou (B); Guohanjun (Hanjun Guo); linux-arm- > ker...@lists.infradead.org; de...@acpica.org > Subject: Re: [PATCH v5 1/2] ACPI/IORT: Add ITS address regions reservation > helper &

Re: [PATCH v5 1/2] ACPI/IORT: Add ITS address regions reservation helper

2017-08-07 Thread Lorenzo Pieralisi
nuxarm; Wangzhou (B); Guohanjun (Hanjun Guo) > > Subject: Re: [PATCH v5 1/2] ACPI/IORT: Add ITS address regions reservation > > helper > > > > On 01/08/17 11:49, Shameer Kolothum wrote: > > > On some platforms ITS address regions have to be excluded from normal >

RE: [PATCH v5 1/2] ACPI/IORT: Add ITS address regions reservation helper

2017-08-07 Thread Shameerali Kolothum Thodi
Cc: Gabriele Paoloni; John Garry; iommu@lists.linux-foundation.org; linux- > arm-ker...@lists.infradead.org; linux-a...@vger.kernel.org; > de...@acpica.org; Linuxarm; Wangzhou (B); Guohanjun (Hanjun Guo) > Subject: Re: [PATCH v5 1/2] ACPI/IORT: Add ITS address regions reservation > helpe

Re: [PATCH v5 1/2] ACPI/IORT: Add ITS address regions reservation helper

2017-08-04 Thread Robin Murphy
On 01/08/17 11:49, Shameer Kolothum wrote: > On some platforms ITS address regions have to be excluded from normal > IOVA allocation in that they are detected and decoded in a HW specific > way by system components and so they cannot be considered normal IOVA > address space. > > Add an helper