Hi Thomas, On 11/18/2022 2:31 PM, Thomas Gleixner wrote: > On Fri, Nov 18 2022 at 10:18, Reinette Chatre wrote: >>> @@ -141,7 +141,7 @@ static int msi_insert_desc(struct device *dev, struct msi_desc *desc, >>> if (ret) >>> goto fail; >>> >>> - desc->msi_index = index; >>> + desc->msi_index = index - baseidx; >> >> Could msi_desc->msi_index be made bigger? The hardware I am testing >> on claims to support more IMS entries than what the u16 can >> accommodate. > > Sure that's trivial. How big does it claim it is? 2048 > I assume your sequence is: > > pci_ims_alloc(); > request_irq(); <- This creates it > free_irq(); <- This removes it > pci_ims_free(); > > Right? No. My mistake. Sorry for the noise. Reinette
