dma_pte_free_level() has an off-by-one error when checking whether a
pte is completely covered by a range. Take for example the case of
attempting to free pfn 0x0 - 0x1ff, ie. 512 entries covering the first
2M superpage. The level_size() is 0x200 and we test:
static void dma_pte_free_level(...
On 12/20/2013 05:35 AM, Thierry Reding wrote:
> On Wed, Dec 18, 2013 at 09:27:29AM -0700, Stephen Warren wrote:
>> On 12/18/2013 01:02 AM, Mark Zhang wrote:
>>> On 12/12/2013 03:57 PM, Hiroshi Doyu wrote:
Create a header file to define the swgroup IDs used by the IOMMU(SMMU)
binding. "swg
On Wed, Dec 18, 2013 at 09:27:29AM -0700, Stephen Warren wrote:
> On 12/18/2013 01:02 AM, Mark Zhang wrote:
> > On 12/12/2013 03:57 PM, Hiroshi Doyu wrote:
> >> Create a header file to define the swgroup IDs used by the IOMMU(SMMU)
> >> binding. "swgroup" is a group of H/W clients which a Tegra SoC
There is a structure named context_entry used by intel iommu, and there
are some bit operations on it. Use bit structure may make these operations
easy.
Also the function context_set_address_root may cause problem because it uses
|= operation, not set the new value. And this patch can fix it.
Sig
