> -Original Message-
> From: Alex Williamson [mailto:alex.william...@redhat.com]
> Sent: Thursday, September 26, 2013 12:37 AM
> To: Bhushan Bharat-R65777
> Cc: j...@8bytes.org; b...@kernel.crashing.org; ga...@kernel.crashing.org;
> linux-
> ker...@vger.kernel.org; linuxppc-...@lists.ozl
> -Original Message-
> From: linux-pci-ow...@vger.kernel.org [mailto:linux-pci-ow...@vger.kernel.org]
> On Behalf Of Alex Williamson
> Sent: Wednesday, September 25, 2013 10:33 PM
> To: Bhushan Bharat-R65777
> Cc: j...@8bytes.org; b...@kernel.crashing.org; ga...@kernel.crashing.org;
> li
> -Original Message-
> From: Alex Williamson [mailto:alex.william...@redhat.com]
> Sent: Wednesday, September 25, 2013 10:10 PM
> To: Bhushan Bharat-R65777
> Cc: j...@8bytes.org; b...@kernel.crashing.org; ga...@kernel.crashing.org;
> linux-
> ker...@vger.kernel.org; linuxppc-...@lists.oz
Joerg,
Thank you for reviewing this patch.
ZhenHua
On 09/24/2013 07:05 PM, Joerg Roedel wrote:
On Tue, Sep 17, 2013 at 04:38:29PM +0800, ZhenHua wrote:
Hi Guys,
Though DMAR_ICS_REG is not used yet, I think this patch is
necessary. So please take a look at it.
You are right, my Spec
On Wed, 2013-09-25 at 23:15 +0100, David Woodhouse wrote:
> On Wed, 2013-09-25 at 15:46 -0600, Alex Williamson wrote:
> > On Wed, 2013-09-25 at 21:11 +0100, David Woodhouse wrote:
> > > I wouldn't bother to go looking for opportunities to use super pages if
> > > we remove the last non-SP-capable I
On Wed, 2013-09-25 at 15:46 -0600, Alex Williamson wrote:
> On Wed, 2013-09-25 at 21:11 +0100, David Woodhouse wrote:
> > I wouldn't bother to go looking for opportunities to use super pages if
> > we remove the last non-SP-capable IOMMU from the domain.
>
> I predict bugs getting filed if a guest
On Wed, 2013-09-25 at 21:11 +0100, David Woodhouse wrote:
> On Wed, 2013-09-25 at 13:44 -0600, Alex Williamson wrote:
> > On Wed, 2013-09-25 at 19:52 +0100, David Woodhouse wrote:
> > > On Wed, 2013-09-25 at 11:36 -0600, Alex Williamson wrote:
> > > > On Wed, 2013-09-25 at 17:05 +0100, David Woodho
On Wed, 2013-09-25 at 13:44 -0600, Alex Williamson wrote:
> On Wed, 2013-09-25 at 19:52 +0100, David Woodhouse wrote:
> > On Wed, 2013-09-25 at 11:36 -0600, Alex Williamson wrote:
> > > On Wed, 2013-09-25 at 17:05 +0100, David Woodhouse wrote:
> > > > Why would it ever care? If it *happens* to map
On Wed, 2013-09-25 at 19:52 +0100, David Woodhouse wrote:
> On Wed, 2013-09-25 at 11:36 -0600, Alex Williamson wrote:
> > On Wed, 2013-09-25 at 17:05 +0100, David Woodhouse wrote:
> > > Why would it ever care? If it *happens* to map something that can use
> > > large pages, yay!. If it subsequently
On Thu, 2013-09-19 at 12:59 +0530, Bharat Bhushan wrote:
> This patch adds vfio iommu support for Freescale IOMMU
> (PAMU - Peripheral Access Management Unit).
>
> The Freescale PAMU is an aperture-based IOMMU with the following
> characteristics. Each device has an entry in a table in memory
> d
On Wed, 2013-09-25 at 11:36 -0600, Alex Williamson wrote:
> On Wed, 2013-09-25 at 17:05 +0100, David Woodhouse wrote:
> > Why would it ever care? If it *happens* to map something that can use
> > large pages, yay!. If it subsequently breaks apart those large pages by
> > unmapping 4KiB in the middl
On Wed, Sep 25, 2013 at 12:49:18PM -0400, Will Deacon wrote:
> On Tue, Sep 24, 2013 at 07:32:47PM +0100, Andreas Herrmann wrote:
> > On Tue, Sep 24, 2013 at 11:42:52AM -0400, Will Deacon wrote:
> > > On Tue, Sep 24, 2013 at 04:07:01PM +0100, Andreas Herrmann wrote:
> > > > Signed-off-by: Andreas He
On Wed, 2013-09-25 at 17:05 +0100, David Woodhouse wrote:
> On Wed, 2013-09-25 at 17:54 +0200, Joerg Roedel wrote:
> > On Sat, Sep 21, 2013 at 09:59:00PM -0500, David Woodhouse wrote:
> > > I *hate* the bizarre calling convention for iommu_unmap(). Is it
> > > actually clearly documented anywhere?
On Thu, 2013-09-19 at 12:59 +0530, Bharat Bhushan wrote:
> Some function defined in vfio_iommu_type1.c were common and
> we want to use these for FSL IOMMU (PAMU) and iommu-none driver.
> So some of them are moved to vfio_iommu_common.c
>
> I think we can do more of that but we will take this step
On Wed, Sep 25, 2013 at 05:05:13PM +0100, David Woodhouse wrote:
> On Wed, 2013-09-25 at 17:54 +0200, Joerg Roedel wrote:
> > Yeah, I agree that this should be documented since it is quite
> > non-standard/non-obvious behaviour of a function. The reason the
> > interface was implemented this way is
On Tue, Sep 24, 2013 at 07:07:20PM +0100, Andreas Herrmann wrote:
> On Tue, Sep 24, 2013 at 11:34:57AM -0400, Will Deacon wrote:
> > On Tue, Sep 24, 2013 at 04:06:56PM +0100, Andreas Herrmann wrote:
> > > Currently it is derived from smmu resource size. If the resource size
> > > is wrongly specifi
On Wed, 2013-09-25 at 17:54 +0200, Joerg Roedel wrote:
> On Sat, Sep 21, 2013 at 09:59:00PM -0500, David Woodhouse wrote:
> > I *hate* the bizarre calling convention for iommu_unmap(). Is it
> > actually clearly documented anywhere? Why on earth is it not just
> > returning void, and expected to un
On Tue, Sep 24, 2013 at 07:32:47PM +0100, Andreas Herrmann wrote:
> On Tue, Sep 24, 2013 at 11:42:52AM -0400, Will Deacon wrote:
> > On Tue, Sep 24, 2013 at 04:07:01PM +0100, Andreas Herrmann wrote:
> > > Signed-off-by: Andreas Herrmann
> > > ---
> > > drivers/iommu/arm-smmu.c |9 +
>
On Thu, 2013-09-19 at 12:59 +0530, Bharat Bhushan wrote:
> This api return the iommu domain to which the device is attached.
> The iommu_domain is required for making API calls related to iommu.
> Follow up patches which use this API to know iommu maping.
>
> Signed-off-by: Bharat Bhushan
> ---
>
On Thu, 2013-09-19 at 12:59 +0530, Bharat Bhushan wrote:
> Signed-off-by: Bharat Bhushan
> ---
> drivers/vfio/pci/vfio_pci_rdwr.c |3 ++-
> 1 files changed, 2 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/vfio/pci/vfio_pci_rdwr.c
> b/drivers/vfio/pci/vfio_pci_rdwr.c
> index 210db24
On Wed, 2013-09-25 at 17:54 +0200, Joerg Roedel wrote:
> On Sat, Sep 21, 2013 at 09:59:00PM -0500, David Woodhouse wrote:
> > I *hate* the bizarre calling convention for iommu_unmap(). Is it
> > actually clearly documented anywhere? Why on earth is it not just
> > returning void, and expected to un
On Tue, Sep 24, 2013 at 04:42:18PM +0100, Will Deacon wrote:
> On Tue, Sep 24, 2013 at 04:07:00PM +0100, Andreas Herrmann wrote:
> > +__setup("arm-smmu", arm_smmu_parse_options);
>
> If this is going to be a common function for IOMMUs, let's instead move the
> command-line parsing out into the gen
On Sat, Sep 21, 2013 at 09:59:00PM -0500, David Woodhouse wrote:
> I *hate* the bizarre calling convention for iommu_unmap(). Is it
> actually clearly documented anywhere? Why on earth is it not just
> returning void, and expected to unmap what it was *asked* to unmap?
Yeah, I agree that this shou
On Tue, Sep 24, 2013 at 11:42:18AM -0400, Will Deacon wrote:
> On Tue, Sep 24, 2013 at 04:07:00PM +0100, Andreas Herrmann wrote:
> > arm-smmu= arm-smmu driver option
> >
> > off Disable arm-smmu driver (ie. ignore available SMMUs)
> >
> > force_isolation
> > Try to attac
The include file has been removed and the file does not
need it anyway, so remove it. Fixes a compile error.
Signed-off-by: Joerg Roedel
---
drivers/gpu/drm/msm/mdp4/mdp4_kms.c |2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/gpu/drm/msm/mdp4/mdp4_kms.c
b/drivers/gpu/drm/msm/mdp4
The include file has been moved but this file was not
updated, so compile breaks.
Signed-off-by: Joerg Roedel
---
drivers/gpu/drm/msm/Makefile |3 ---
drivers/gpu/drm/msm/msm_drv.c |5 -
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/msm/Makefile b/dr
The function msm_iommu_get_ctx() is needed buy the MSM-GPU
driver with and wiithout IOMMU compiled in. Make the
function available when no IOMMU driver is there.
Signed-off-by: Joerg Roedel
---
drivers/iommu/msm_iommu.h |7 +++
1 file changed, 7 insertions(+)
diff --git a/drivers/iommu/
On Tue, Sep 24, 2013 at 11:40:48AM -0400, Will Deacon wrote:
> On Tue, Sep 24, 2013 at 04:06:58PM +0100, Andreas Herrmann wrote:
> > With the right (or wrong;-) definition of v1 SMMU node in DTB it is
> > possible to trigger a division by zero in arm_smmu_init_domain_context
> > (if number of conte
On Tue, Sep 24, 2013 at 03:21:18PM -0600, Shuah Khan wrote:
> Shuah Khan (2):
> iommu: Add iommu_error class event to iommu trace
> iommu: Change iommu driver to call io_page_fault trace event
Applied to the tracing branch, thanks Shuah.
___
iommu
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