Hi Christoph,
On 6/8/22 10:05 PM, Christoph Hellwig wrote:
> All this really needs to be hidden under the hood.
>
Since this patch file has 200+ lines, would you please help clarify what does
'this' indicate?
The idea of this patch:
1. Convert the functions to initialize swiotlb into callee. T
On 09/06/2022 21:34, Bart Van Assche wrote:
On 6/9/22 10:54, John Garry wrote:
ok, but do you have a system where the UFS host controller is behind
an IOMMU? I had the impression that UFS controllers would be mostly
found in embedded systems and IOMMUs are not as common on there.
Modern phone
The uacce parent's module can be removed when uacce is working,
which may cause troubles.
If rmmod/uacce_remove happens just after fops_open: bind_queue,
the uacce_remove can not remove the bound queue since it is not
added to the queue list yet, which blocks the uacce_disable_sva.
Change queues_
Despite the name, R-Car V3U is the first member of the R-Car Gen4
family. Hence move its compatible value to the R-Car Gen4 section.
Signed-off-by: Geert Uytterhoeven
Acked-by: Krzysztof Kozlowski
Acked-by: Joerg Roedel
Reviewed-by: Wolfram Sang
---
v2:
- Add Acked-by, Reviewed-by,
- Add
On 2022/6/10 17:01, Tian, Kevin wrote:
From: Baolu Lu
Sent: Friday, June 10, 2022 2:47 PM
On 2022/6/10 03:01, Raj, Ashok wrote:
On Tue, Jun 07, 2022 at 09:49:33AM +0800, Lu Baolu wrote:
@@ -218,6 +219,30 @@ static void dev_iommu_free(struct device *dev)
kfree(param);
}
+static u32
> From: Baolu Lu
> Sent: Friday, June 10, 2022 2:47 PM
>
> On 2022/6/10 03:01, Raj, Ashok wrote:
> > On Tue, Jun 07, 2022 at 09:49:33AM +0800, Lu Baolu wrote:
> >> @@ -218,6 +219,30 @@ static void dev_iommu_free(struct device *dev)
> >>kfree(param);
> >> }
> >>
> >> +static u32 dev_iommu_ge
> From: Jason Gunthorpe
> Sent: Friday, June 10, 2022 7:53 AM
>
> On Thu, Jun 09, 2022 at 05:25:42PM +, Raj, Ashok wrote:
> >
> > On Tue, Jun 07, 2022 at 09:49:32AM +0800, Lu Baolu wrote:
> > > Use this field to keep the number of supported PASIDs that an IOMMU
> > > hardware is able to suppo
A basic device-specific linear memory mapping was introduced back in
commit ("dma: Take into account dma_pfn_offset") as a single-valued offset
preserved in the device.dma_pfn_offset field, which was initialized for
instance by means of the "dma-ranges" DT property. Afterwards the
functionality was
On 2022/6/10 04:25, Raj, Ashok wrote:
Hi Baolu
Hi Ashok,
some minor nits.
Thanks for your comments.
On Tue, Jun 07, 2022 at 09:49:35AM +0800, Lu Baolu wrote:
The sva iommu_domain represents a hardware pagetable that the IOMMU
hardware could use for SVA translation. This adds some infra
