Re: [PATCH v2 0/7] PCI/MSI: Remove IMS (Interrupt Message Store) support for now

From: Bjorn Helgaas
Date: Fri Apr 12 2024 - 17:31:44 EST


On Wed, Apr 10, 2024 at 05:13:00PM -0500, Bjorn Helgaas wrote:
> From: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
>
> IMS (Interrupt Message Store) support appeared in v6.2, but there are no
> users yet.
>
> Remove it for now. We can add it back when a user comes along.
>
> I propose to merge this via the PCI tree unless somebody else wants it.
>
>
> Changes since v1 (https://lore.kernel.org/linux-pci/20240401232326.1794707-1-helgaas@xxxxxxxxxx/):
> - Revert other IMS commits in IOMMU, apic, genirq, suggested by Kevin
>
> Bjorn Helgaas (7):
> Revert "PCI/MSI: Provide stubs for IMS functions"
> Revert "PCI/MSI: Provide pci_ims_alloc/free_irq()"
> Revert "PCI/MSI: Provide IMS (Interrupt Message Store) support"
> Revert "iommu/amd: Enable PCI/IMS"
> Revert "iommu/vt-d: Enable PCI/IMS"
> Revert "x86/apic/msi: Enable PCI/IMS"
> Revert "genirq/msi: Provide constants for PCI/IMS support"
>
> arch/x86/kernel/apic/msi.c | 5 ---
> drivers/iommu/amd/iommu.c | 17 +--------
> drivers/iommu/intel/irq_remapping.c | 19 ++--------
> drivers/pci/msi/api.c | 50 ------------------------
> drivers/pci/msi/irqdomain.c | 59 -----------------------------
> include/linux/irqdomain_defs.h | 1 -
> include/linux/msi.h | 2 -
> include/linux/msi_api.h | 1 -
> include/linux/pci.h | 26 -------------
> 9 files changed, 5 insertions(+), 175 deletions(-)

I applied this to pci/ims-removal for v6.10.