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

From: Bjorn Helgaas
Date: Wed Apr 10 2024 - 18:13:28 EST


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(-)

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2.34.1