On Fri, Jun 24, 2022 at 02:12:28PM +0800, Baolu Lu wrote:
> It makes sense as far as I am aware. By putting IOMMUs in pass-through
> mode, there will be no run-time costs and things could be simplified a
> lot.
>
> Besides the refactoring efforts, we still need this quick fix so that
> the fix
Hi Joerg,
On 2022/6/24 13:45, Joerg Roedel wrote:
Hi Baolu,
On Wed, May 25, 2022 at 09:40:26AM +0800, Baolu Lu wrote:
How do you like it? If you agree, I can queue it in my next pull request
for fixes.
Would it help to tie DMAR and IOMMU components together, so that
selecting DMAR for IRQ
Hi Baolu,
On Wed, May 25, 2022 at 09:40:26AM +0800, Baolu Lu wrote:
> How do you like it? If you agree, I can queue it in my next pull request
> for fixes.
Would it help to tie DMAR and IOMMU components together, so that
selecting DMAR for IRQ remapping also selects IOMMU? The IOMMU can be in
PT
Hi Joerg,
On 2022/5/21 08:21, Yian Chen wrote:
Notifier calling chain uses priority to determine the execution
order of the notifiers or listeners registered to the chain.
PCI bus device hot add utilizes the notification mechanism.
The current code sets low priority (INT_MIN) to Intel
Hi Lu,
On Fri, 14 Jan 2022 11:12:45 +0800, Lu Baolu
wrote:
> On 1/14/22 11:11 AM, Jacob Pan wrote:
> > On Fri, 14 Jan 2022 08:58:53 +0800, Lu Baolu
> > wrote:
> >
> >> Hi Jacob,
> >>
> >> On 1/13/22 9:23 PM, Jacob Pan wrote:
> >>> During PCI bus rescan, adding new devices involve two
On 1/14/22 11:11 AM, Jacob Pan wrote:
On Fri, 14 Jan 2022 08:58:53 +0800, Lu Baolu
wrote:
Hi Jacob,
On 1/13/22 9:23 PM, Jacob Pan wrote:
During PCI bus rescan, adding new devices involve two notifiers.
1. dmar_pci_bus_notifier()
2. iommu_bus_notifier()
The current code sets #1 as low
Hi BaoLu,
On Fri, 14 Jan 2022 08:58:53 +0800, Lu Baolu
wrote:
> Hi Jacob,
>
> On 1/13/22 9:23 PM, Jacob Pan wrote:
> > During PCI bus rescan, adding new devices involve two notifiers.
> > 1. dmar_pci_bus_notifier()
> > 2. iommu_bus_notifier()
> > The current code sets #1 as low priority
Hi Jacob,
On 1/13/22 9:23 PM, Jacob Pan wrote:
During PCI bus rescan, adding new devices involve two notifiers.
1. dmar_pci_bus_notifier()
2. iommu_bus_notifier()
The current code sets #1 as low priority (INT_MIN) which resulted in #2
being invoked first. The result is that struct device
