Hi Will,
On Thu, Feb 20, 2014 at 11:51:27AM +, Will Deacon wrote:
> > Can the arm_smmu_devices_lock also be used in a DMA-API path?
>
> I don't think so -- that lock is only taken when:
>
> - Probing the SMMU
> - Attaching a device to a domain (->attach_dev)
> - Adding or removing a de
Hi Joerg,
On Thu, Feb 20, 2014 at 11:29:19AM +, Joerg Roedel wrote:
> On Tue, Feb 18, 2014 at 07:21:37PM +, Will Deacon wrote:
> > FWIW, here's a diff you could apply as a fixup (or I can send a new pull
> > request if you prefer). It's slightly messy because I had to rename a
> > paramete
On Tue, Feb 18, 2014 at 07:21:37PM +, Will Deacon wrote:
> FWIW, here's a diff you could apply as a fixup (or I can send a new pull
> request if you prefer). It's slightly messy because I had to rename a
> parameter in the page table functions (s/flag/prot/).
>
> What do you reckon?
Hmm, am I
On Tue, Feb 18, 2014 at 06:36:26PM +, Will Deacon wrote:
> On Tue, Feb 18, 2014 at 05:50:27PM +, Joerg Roedel wrote:
> > I just did quick review of the changes. Was the SATA controller using
> > the IOMMU through the DMA-API? In this case you would need the IRQ-safe
> > spinlocks to avoid d
Hi Joerg,
On Tue, Feb 18, 2014 at 05:50:27PM +, Joerg Roedel wrote:
> On Mon, Feb 10, 2014 at 06:32:32PM +, Will Deacon wrote:
> > - Andreas Herrmann took the driver for a run with a real SATA
> > controller, which caused the new mutex-based locking to explode
> > since we requir
On Mon, Feb 10, 2014 at 06:32:32PM +, Will Deacon wrote:
> - Andreas Herrmann took the driver for a run with a real SATA
> controller, which caused the new mutex-based locking to explode
> since we require mappings in atomic context
I just did quick review of the changes. Was the SAT
On Mon, Feb 10, 2014 at 06:32:32PM +, Will Deacon wrote:
> The following changes since commit b28a960c42fcd9cfc987441fa6d1c1a471f0f9ed:
>
> Linux 3.14-rc2 (2014-02-09 18:15:47 -0800)
>
> are available in the git repository at:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/will/linux.
Hi Joerg,
Please pull the following arm-smmu fixes for 3.14.
The brief summary is:
- Andreas Herrmann took the driver for a run with a real SATA
controller, which caused the new mutex-based locking to explode
since we require mappings in atomic context
- Yifan fixed an issue with th
