On Tue, Mar 29, 2016 at 10:41 AM, Luis R. Rodriguez wrote:
> We need to ensure amd iommu v2 initializes before
> driver uses such as drivers/gpu/drm/amd/amdkfd/kfd_module.c,
> to do this make its init routine a subsys_initcall() which
> ensures its load init is called first than modules when
> bui
On Wed, 24 Feb 2016 13:44:31 -0600
Bjorn Helgaas wrote:
> From: Jacek Lawrynowicz
>
> After removing PCI_DEV_FLAGS_DMA_ALIAS_DEVFN, the (1 << 4) value was
> unused. Squash the other values so all the bits are adjacent. No
> functional change intended.
>
> (I'm not sure this is worth doing.
On Wed, 24 Feb 2016 13:43:45 -0600
Bjorn Helgaas wrote:
> From: Jacek Lawrynowicz
>
> Add a pci_add_dma_alias() interface to encapsulate the details of adding an
> alias. No functional change intended.
> ---
> drivers/pci/pci.c| 14 ++
> drivers/pci/pci.h|2 ++
> dri
On Wed, 24 Feb 2016 13:43:54 -0600
Bjorn Helgaas wrote:
> From: Jacek Lawrynowicz
>
> One of the quirks that adds DMA aliases logs an informational message in
> dmesg. Move that to pci_add_dma_alias() so all users log the message
> consistently. No functional change intended (except extra mes
On Thu, 3 Mar 2016 15:53:20 +0100
Jacek Lawrynowicz wrote:
> MIC x200 NTB forwards PCIe traffic using multiple alien RID. They have to
> be added as aliases to the DMA device in order to allow buffer access
> when IOMMU is enabled.
>
> Signed-off-by: Jacek Lawrynowicz
> Acked-by: David Woodhou
On Wed, 24 Feb 2016 13:44:15 -0600
Bjorn Helgaas wrote:
> This should be folded into the previous patch. I left it separate to show
> the interface difference more clearly.
>
> Also, pci_devs_are_dma_aliases() uses PCI internals (dma_alias_mask), so I
> think it should be in PCI code instead of
On Thu, 3 Mar 2016 15:38:02 +0100
Jacek Lawrynowicz wrote:
> This patch solves IOMMU support issues with PCIe non-transparent bridges
> that use Requester ID look-up tables (RID-LUT), e.g. PEX8733.
>
> The NTB connects devices in two independent PCI domains. Devices
> separated by the NTB are n
>> > Can you
>> > guys please test if the attached patch fixes the issues for you as it
>> > did for me?
Tested, works as expected. Thanks. Attaching dmesg from patched kernel
in case you need it.
dmesg-patch.log.gz
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On Fri, Apr 08, 2016 at 05:39:41PM +0200, Tomasz Golinski wrote:
> > Okay, with this card I was able to reproduce the problem myself. Can you
> > guys please test if the attached patch fixes the issues for you as it
> > did for me?
>
> Sorry for asking (maybe) stupid question. This patch doesn't a
Hi,
On Fri, Apr 8, 2016 at 10:30 AM, Will Deacon wrote:
>> > Am I barking up the wrong tree?
>>
>> I don't think min_order can be negative. Certainly we could enter the
>> loop with order == 0 and min_order == 0, though.
>
> ... and in that case, PageCompound will be false, and we'll call split_
On Fri, 8 Apr 2016 11:06:32 -0500
Bjorn Helgaas wrote:
> On Tue, Mar 15, 2016 at 07:48:17PM -0500, Bjorn Helgaas wrote:
> > On Mon, Mar 14, 2016 at 10:43:40PM +, David Woodhouse wrote:
> > > On Thu, 2016-02-25 at 08:38 -0600, Bjorn Helgaas wrote:
> > > >
> > > > > /*
> > > > > - * Loo
On Fri, Apr 08, 2016 at 09:50:43AM -0700, Doug Anderson wrote:
> On Fri, Apr 8, 2016 at 6:07 AM, Will Deacon wrote:
> > On Tue, Apr 05, 2016 at 10:03:32AM -0700, Doug Anderson wrote:
> >> On Tue, Mar 29, 2016 at 10:02 AM, Will Deacon wrote:
> >> > On Mon, Mar 28, 2016 at 02:32:11PM +0800, Yong Wu
Hi Alex,
On 04/08/2016 06:41 PM, Alex Williamson wrote:
> On Fri, 8 Apr 2016 17:48:01 +0200
> Eric Auger wrote:
>
> Hi Eric,
>
>> Hi Alex,
>> On 04/07/2016 08:29 PM, Alex Williamson wrote:
>>> On Thu, 7 Apr 2016 15:43:29 +0200
>>> Eric Auger wrote:
>>>
Hi Alex,
On 04/07/2016 12:07
Will,
On Fri, Apr 8, 2016 at 6:07 AM, Will Deacon wrote:
> On Tue, Apr 05, 2016 at 10:03:32AM -0700, Doug Anderson wrote:
>> On Tue, Mar 29, 2016 at 10:02 AM, Will Deacon wrote:
>> > On Mon, Mar 28, 2016 at 02:32:11PM +0800, Yong Wu wrote:
>> >> @@ -213,13 +215,16 @@ static struct page
>> >> **
On Fri, 8 Apr 2016 17:48:01 +0200
Eric Auger wrote:
Hi Eric,
> Hi Alex,
> On 04/07/2016 08:29 PM, Alex Williamson wrote:
> > On Thu, 7 Apr 2016 15:43:29 +0200
> > Eric Auger wrote:
> >
> >> Hi Alex,
> >> On 04/07/2016 12:07 AM, Alex Williamson wrote:
> >>> On Mon, 4 Apr 2016 08:30:08 +000
On 08/04/16 06:32, Yong Wu wrote:
On Thu, 2016-04-07 at 18:42 +0100, Robin Murphy wrote:
/*
@@ -215,8 +221,9 @@ static struct page **__iommu_dma_alloc_pages(unsigned int
count, gfp_t gfp)
* than a necessity, hence using __GFP_NORETRY until
* fal
On Fri, 2016-04-08 at 11:06 -0500, Bjorn Helgaas wrote:
> > I think I'm confused because I don't really understand IOMMU
> > groups.
,,,
> Ping?
I think this ended up being more of a Alex question...
--
dwmw2
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Description: S/MIME cryptographic signature
_
On Tue, Mar 15, 2016 at 07:48:17PM -0500, Bjorn Helgaas wrote:
> On Mon, Mar 14, 2016 at 10:43:40PM +, David Woodhouse wrote:
> > On Thu, 2016-02-25 at 08:38 -0600, Bjorn Helgaas wrote:
> > >
> > > > /*
> > > > - * Look for aliases to or from the given device for exisiting groups.
> > > > T
Hi Alex,
On 04/07/2016 08:29 PM, Alex Williamson wrote:
> On Thu, 7 Apr 2016 15:43:29 +0200
> Eric Auger wrote:
>
>> Hi Alex,
>> On 04/07/2016 12:07 AM, Alex Williamson wrote:
>>> On Mon, 4 Apr 2016 08:30:08 +
>>> Eric Auger wrote:
>>>
The user is allowed to [un]register a reserved
> Okay, with this card I was able to reproduce the problem myself. Can you
> guys please test if the attached patch fixes the issues for you as it
> did for me?
Sorry for asking (maybe) stupid question. This patch doesn't apply
against 4.5 kernel. Should I apply it against current git head or mayb
Hi Linus,
The following changes since commit 9735a22799b9214d17d3c231fe377fc852f042e9:
Linux 4.6-rc2 (2016-04-03 09:09:40 -0500)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git
tags/iommu-fixes-v4.6-rc2
for you to fetch changes up to 0b
Hi Alex,
On 04/07/2016 07:50 PM, Alex Williamson wrote:
> On Thu, 7 Apr 2016 14:28:59 +0200
> Eric Auger wrote:
>
>> Hi Alex,
>> On 04/07/2016 01:15 AM, Alex Williamson wrote:
>>> On Mon, 4 Apr 2016 08:06:55 +
>>> Eric Auger wrote:
>>>
This series introduces the dma-reserved-iommu a
On Wed, Apr 06, 2016 at 05:52:57PM +0200, Tomasz Golinski wrote:
> I'm using Asus Xonar DX card: https://www.asus.com/Sound-Cards/Xonar_DX/
Okay, with this card I was able to reproduce the problem myself. Can you
guys please test if the attached patch fixes the issues for you as it
did for me?
T
On Tue, Apr 05, 2016 at 10:03:32AM -0700, Doug Anderson wrote:
> On Tue, Mar 29, 2016 at 10:02 AM, Will Deacon wrote:
> > On Mon, Mar 28, 2016 at 02:32:11PM +0800, Yong Wu wrote:
> >> @@ -213,13 +215,16 @@ static struct page
> >> **__iommu_dma_alloc_pages(unsigned int count, gfp_t gfp)
> >>
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