On Fri, May 20, 2022 at 01:00:32PM +0100, Will Deacon wrote:
> On Fri, May 20, 2022 at 12:02:23PM +0100, Robin Murphy wrote:
> > On 2022-05-10 17:55, Jason Gunthorpe via iommu wrote:
> > > This control causes the ARM SMMU drivers to choose a stage 2
> > > implementation for the IO pagetable (vs the
On Fri, May 20, 2022 at 12:02:23PM +0100, Robin Murphy wrote:
> On 2022-05-10 17:55, Jason Gunthorpe via iommu wrote:
> > This control causes the ARM SMMU drivers to choose a stage 2
> > implementation for the IO pagetable (vs the stage 1 usual default),
> > however this choice has no visible impac
On Fri, May 20, 2022 at 12:02:23PM +0100, Robin Murphy wrote:
> On 2022-05-10 17:55, Jason Gunthorpe via iommu wrote:
> > This control causes the ARM SMMU drivers to choose a stage 2
> > implementation for the IO pagetable (vs the stage 1 usual default),
> > however this choice has no visible impac
On 2022-05-10 17:55, Jason Gunthorpe via iommu wrote:
This control causes the ARM SMMU drivers to choose a stage 2
implementation for the IO pagetable (vs the stage 1 usual default),
however this choice has no visible impact to the VFIO user.
Oh, I should have read more carefully... this isn't
On Tue, May 17, 2022 at 02:26:56PM -0600, Alex Williamson wrote:
> I'd be in favor of applying this, but it seems Robin and Eric are
> looking for a stay of execution and I'd also be looking for an ack from
> Joerg. Thanks,
This is mainly an ARM-SMMU thing, so I defer my ack to Will and Robin.
R
On Tue, 10 May 2022 13:55:24 -0300
Jason Gunthorpe wrote:
> This control causes the ARM SMMU drivers to choose a stage 2
> implementation for the IO pagetable (vs the stage 1 usual default),
> however this choice has no visible impact to the VFIO user. Further qemu
> never implemented this and no
Looks good,
Reviewed-by: Christoph Hellwig
we really should not keep dead code like this around.
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Hi,
On 5/10/22 20:13, Jason Gunthorpe wrote:
> On Tue, May 10, 2022 at 06:52:06PM +0100, Robin Murphy wrote:
>> On 2022-05-10 17:55, Jason Gunthorpe via iommu wrote:
>>> This control causes the ARM SMMU drivers to choose a stage 2
>>> implementation for the IO pagetable (vs the stage 1 usual defau
On 2022/5/12 下午7:59, Jason Gunthorpe wrote:
On Thu, May 12, 2022 at 07:57:26PM +0800, zhangfei@foxmail.com wrote:
On 2022/5/12 下午7:32, Jason Gunthorpe via iommu wrote:
On Thu, May 12, 2022 at 03:07:09PM +0800, Zhangfei Gao wrote:
I can't help feeling a little wary about removing this un
On Thu, May 12, 2022 at 07:57:26PM +0800, zhangfei@foxmail.com wrote:
>
>
> On 2022/5/12 下午7:32, Jason Gunthorpe via iommu wrote:
> > On Thu, May 12, 2022 at 03:07:09PM +0800, Zhangfei Gao wrote:
> > > > > I can't help feeling a little wary about removing this until IOMMUFD
> > > > > can actu
On 2022/5/12 下午7:32, Jason Gunthorpe via iommu wrote:
On Thu, May 12, 2022 at 03:07:09PM +0800, Zhangfei Gao wrote:
I can't help feeling a little wary about removing this until IOMMUFD
can actually offer a functional replacement - is it in the way of
anything upcoming?
From an upstream pers
On Thu, May 12, 2022 at 03:07:09PM +0800, Zhangfei Gao wrote:
> > > I can't help feeling a little wary about removing this until IOMMUFD
> > > can actually offer a functional replacement - is it in the way of
> > > anything upcoming?
> > From an upstream perspective if someone has a patched kernel
Hi, Jason
On 2022/5/11 上午2:13, Jason Gunthorpe via iommu wrote:
On Tue, May 10, 2022 at 06:52:06PM +0100, Robin Murphy wrote:
On 2022-05-10 17:55, Jason Gunthorpe via iommu wrote:
This control causes the ARM SMMU drivers to choose a stage 2
implementation for the IO pagetable (vs the stage 1 u
> From: Jason Gunthorpe
> Sent: Wednesday, May 11, 2022 12:55 AM
>
> This control causes the ARM SMMU drivers to choose a stage 2
> implementation for the IO pagetable (vs the stage 1 usual default),
> however this choice has no visible impact to the VFIO user. Further qemu
> never implemented thi
On Tue, May 10, 2022 at 01:55:24PM -0300, Jason Gunthorpe wrote:
> This control causes the ARM SMMU drivers to choose a stage 2
> implementation for the IO pagetable (vs the stage 1 usual default),
> however this choice has no visible impact to the VFIO user. Further qemu
> never implemented this a
On Tue, May 10, 2022 at 06:52:06PM +0100, Robin Murphy wrote:
> On 2022-05-10 17:55, Jason Gunthorpe via iommu wrote:
> > This control causes the ARM SMMU drivers to choose a stage 2
> > implementation for the IO pagetable (vs the stage 1 usual default),
> > however this choice has no visible impac
On 2022-05-10 17:55, Jason Gunthorpe via iommu wrote:
This control causes the ARM SMMU drivers to choose a stage 2
implementation for the IO pagetable (vs the stage 1 usual default),
however this choice has no visible impact to the VFIO user. Further qemu
never implemented this and no other users
This control causes the ARM SMMU drivers to choose a stage 2
implementation for the IO pagetable (vs the stage 1 usual default),
however this choice has no visible impact to the VFIO user. Further qemu
never implemented this and no other userspace user is known.
The original description in commit
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