[patch V4 00/21] genirq, irqchip: Convert ARM MSI handling to per device MSI domains

[Johan Hovold]

On Wed, Jul 17, 2024 at 09:10:02PM +0100, Marc Zyngier wrote:

> I think I've finally nailed the sucker, and posted a potential fix[1].
> 
> It definitely restore my TX1 to a state that is no worse than normal,
> so something must be less wrong there.  I'm pretty sure that the
> platform-msi equivalent is equally broken, but I don't have the energy
> to verify/debug that tonight.

> [1] https://lore.kernel.org/r/20240717195937.2240400-1-maz@kernel.org

This seems to fix the regression here too, thanks!

201:          0       ...         0  ITS-PCI-MSI-0006:00:00.0   0 Edge      PCIe PME, aerdrv
202:          0                   0  ITS-PCI-MSI-0006:01:00.0   0 Edge      bhi
203:          0                   0  ITS-PCI-MSI-0006:01:00.0   1 Edge      mhi
204:          0                   0  ITS-PCI-MSI-0006:01:00.0   2 Edge      mhi
205:          0                   0  ITS-PCI-MSI-0006:01:00.0   3 Edge      ce0
206:          0                   0  ITS-PCI-MSI-0006:01:00.0   4 Edge      ce1
207:          0                   0  ITS-PCI-MSI-0006:01:00.0   5 Edge      ce2
208:          0                   2  ITS-PCI-MSI-0006:01:00.0   6 Edge      ce3
209:          2                   0  ITS-PCI-MSI-0006:01:00.0   7 Edge      ce5
210:          0                   0  ITS-PCI-MSI-0006:01:00.0   8 Edge      ce7
211:          0                   0  ITS-PCI-MSI-0006:01:00.0   9 Edge      ce8
216:          0                   0  ITS-PCI-MSI-0006:01:00.0  14 Edge      DP_EXT_IRQ
217:          0                   0  ITS-PCI-MSI-0006:01:00.0  15 Edge      DP_EXT_IRQ
218:          0                   0  ITS-PCI-MSI-0006:01:00.0  16 Edge      DP_EXT_IRQ
220:          0                   0  ITS-PCI-MSI-0006:01:00.0  18 Edge      DP_EXT_IRQ
221:          0                   0  ITS-PCI-MSI-0006:01:00.0  19 Edge      DP_EXT_IRQ
222:          0                   0  ITS-PCI-MSI-0006:01:00.0  20 Edge      DP_EXT_IRQ
223:          0                   0  ITS-PCI-MSI-0006:01:00.0  21 Edge      DP_EXT_IRQ
224:          0                   0  ITS-PCI-MSI-0006:01:00.0  22 Edge      DP_EXT_IRQ
225:          0                   0  ITS-PCI-MSI-0006:01:00.0  23 Edge      DP_EXT_IRQ
226:          0                   0  ITS-PCI-MSI-0006:01:00.0  24 Edge      DP_EXT_IRQ
235:          0                   0  ITS-PCI-MSI-0004:00:00.0   0 Edge      PCIe PME, aerdrv
236:          0                   0  ITS-PCI-MSI-0004:01:00.0   0 Edge      bhi
237:          0                   0  ITS-PCI-MSI-0004:01:00.0   1 Edge      mhi
238:          0                   0  ITS-PCI-MSI-0004:01:00.0   2 Edge      mhi
239:          0                   0  ITS-PCI-MSI-0004:01:00.0   3 Edge      mhi
240:          0                   0  ITS-PCI-MSI-0004:01:00.0   4 Edge      mhi
242:          0                   0  ITS-PCI-MSI-0002:00:00.0   0 Edge      PCIe PME, aerdrv
243:         22                   0  ITS-PCI-MSIX-0002:01:00.0   0 Edge      nvme0q0
244:          0                   0  ITS-PCI-MSIX-0002:01:00.0   1 Edge      nvme0q1
245:          0                   0  ITS-PCI-MSIX-0002:01:00.0   2 Edge      nvme0q2
246:          0                   0  ITS-PCI-MSIX-0002:01:00.0   3 Edge      nvme0q3
247:          0                   0  ITS-PCI-MSIX-0002:01:00.0   4 Edge      nvme0q4
248:          0                   0  ITS-PCI-MSIX-0002:01:00.0   5 Edge      nvme0q5
249:          0                   0  ITS-PCI-MSIX-0002:01:00.0   6 Edge      nvme0q6
250:          0                   0  ITS-PCI-MSIX-0002:01:00.0   7 Edge      nvme0q7
251:          0                   0  ITS-PCI-MSIX-0002:01:00.0   8 Edge      nvme0q8

Johan