On Tue, Apr 29, 2014 at 11:00:29PM +0200, Arnd Bergmann wrote: > On Tuesday 29
April 2014 13:07:54 Grant Grundler wrote: > > On Tue, Apr 29, 2014 at 11:16 AM,
Dave Martin wrote:
> > ...
> > > An IOMMU is really a specialised bridge
> >
> > Is a GART a bridge?
Depends what you mean by "bridge".
On Mon, Apr 28, 2014 at 09:55:00PM +0200, Arnd Bergmann wrote:
> On Monday 28 April 2014 20:30:56 Will Deacon wrote:
> > Hi Arnd,
> >
> > [and thanks Thierry for CCing me -- I have been tangled up with this before
> > :)]
> >
> > On Mon, Apr 28, 2014 at 01:05:30PM +0100, Arnd Bergmann wrote:
> >
On Mon, Apr 28, 2014 at 09:08:10PM +0100, Alex Williamson wrote:
> On Mon, 2014-04-28 at 20:19 +0100, Will Deacon wrote:
> > Please excuse any ignorance on part here (I'm not at all familiar with the
> > Intel IOMMU), but shouldn't this really be a property of the interrupt
> > controller itself? O
On Mon, Apr 28, 2014 at 2:04 PM, Arnd Bergmann wrote:
> On Sunday 27 April 2014 13:07:32 Shaik Ameer Basha wrote:
>> The current exynos-iommu(System MMU) driver does not work autonomously
>> since it is lack of support for power management of peripheral blocks.
>> For example, MFC device driver mu
On Thu, 2014-04-24 at 18:36 -0600, Bill Sumner wrote:
>
> This patch set modifies the behavior of the Intel iommu in the crashdump
> kernel:
> 1. to accept the iommu hardware in an active state,
> 2. to leave the current translations in-place so that legacy DMA will continue
>using its curre