On 2/25/22 10:12 PM, Vivi, Rodrigo wrote:
On Fri, 2022-02-25 at 10:20 +0800, Lu Baolu wrote:
On 2/24/22 9:39 PM, Vivi, Rodrigo wrote:
On Thu, 2022-02-24 at 13:42 +0800, Lu Baolu wrote:
On 2/23/22 2:29 PM, Tejas Upadhyay wrote:
The VT-d spec requires (10.4.4 Global Command Register, TE
field)
Hi BaoLu,
On Mon, 7 Feb 2022 14:41:41 +0800, Lu Baolu
wrote:
>
> - if (dev && domain_context_mapping(domain, dev)) {
> - dev_err(dev, "Domain context map failed\n");
> - dmar_remove_one_dev_info(dev);
> - return NULL;
> - }
> + /* Setup the cont
Hi Dave!
Please find a response that will hopefully address the questions raised.
The answers were meant to be thorough but succinct, though if there is
any areas that are not clear for anyone, please feel free to
ask. This response and any further questions for clarity will be
incorporated into t
> -Original Message-
> From: Lorenzo Pieralisi [mailto:lorenzo.pieral...@arm.com]
> Sent: 24 February 2022 10:14
> To: Shameerali Kolothum Thodi
> Cc: linux-arm-ker...@lists.infradead.org; linux-a...@vger.kernel.org;
> iommu@lists.linux-foundation.org; Linuxarm ;
> j...@8bytes.org; robin
On 2/25/22 3:47 AM, Christoph Hellwig wrote:
On Thu, Feb 24, 2022 at 12:07:26PM -0500, Boris Ostrovsky wrote:
Just to be clear: this crashes only as dom0. Boots fine as baremetal.
Ah. I can gues what this might be. On Xen the hypervisor controls the
IOMMU and we should never end up initiali
On 2022-02-25 09:32, Colin Ian King wrote:
The variable res is being assigned a value that isn't being read
later. The assignment is redundant and can be removed.
Cleans up clang scan warning:
drivers/iommu/arm/arm-smmu/arm-smmu.c:2109:10: warning: Although the
value stored to 'res' is used in t
On 2/23/2022 5:46 PM, Tianyu Lan wrote:
On 2/23/2022 12:00 AM, Christoph Hellwig wrote:
On Tue, Feb 22, 2022 at 11:07:19PM +0800, Tianyu Lan wrote:
Thanks for your comment. That means we need to expose an
swiotlb_device_init() interface to allocate bounce buffer and initialize
io tlb mem entr
On Fri, 2022-02-25 at 10:20 +0800, Lu Baolu wrote:
> On 2/24/22 9:39 PM, Vivi, Rodrigo wrote:
> > On Thu, 2022-02-24 at 13:42 +0800, Lu Baolu wrote:
> > > On 2/23/22 2:29 PM, Tejas Upadhyay wrote:
> > > > The VT-d spec requires (10.4.4 Global Command Register, TE
> > > > field) that:
> > > >
> > >
The variable res is being assigned a value that isn't being read
later. The assignment is redundant and can be removed.
Cleans up clang scan warning:
drivers/iommu/arm/arm-smmu/arm-smmu.c:2109:10: warning: Although the
value stored to 'res' is used in the enclosing expression, the value
is never a
On Tue, Feb 15, 2022 at 09:46:24PM +0100, Helge Deller wrote:
> On 2/14/22 07:08, Yong Wu wrote:
> > Use the common compare helper from component.
> >
> > Cc: Helge Deller
> > Cc: linux-o...@vger.kernel.org
> > Cc: linux-fb...@vger.kernel.org
> > Signed-off-by: Yong Wu
>
> Applied to the fbdev f
On Thu, Feb 24, 2022 at 12:07:26PM -0500, Boris Ostrovsky wrote:
>>> Just to be clear: this crashes only as dom0. Boots fine as baremetal.
>> Ah. I can gues what this might be. On Xen the hypervisor controls the
>> IOMMU and we should never end up initializing it in Linux, right?
>
>
> Right, we
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