Add pci_enable_msi_partial() to conserve MSI-related resources
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b4 am [email protected]Versions newest first
- v1 Latest3 patches 34 repliesIn review
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/3 | PCI/MSI: Add pci_enable_msi_partial()Documentation/ arch/ arch/ +5 more | +115 | 32 replies | |
| 1/3 | PCI/MSI: Add pci_enable_msi_partial()Documentation/ arch/ arch/ +5 more | +115 | 0 replies | |
| 2/3 | PCI/MSI/x86: Support pci_enable_msi_partial()arch/ arch/ arch/ +3 more | +17 | 0 replies | |
| 2/3 | PCI/MSI/x86: Support pci_enable_msi_partial()arch/ arch/ arch/ +3 more | +17 | 0 replies | |
| 3/3 | AHCI: Use pci_enable_msi_partial() to conserve on 10/16 MSIsdrivers/ | +2 | 2 replies | |
| 3/3 | AHCI: Use pci_enable_msi_partial() to conserve on 10/16 MSIsdrivers/ | +2 | 0 replies |
Reviews trailers per patch
2 of 6 patches have a Reviewed-by or Acked-by.
| Patch | Tejun Heo |
|---|---|
| 1/3 | |
| 1/3 | |
| 2/3 | |
| 2/3 | |
| 3/3 | A-b A-b |
| 3/3 | A-b A-b |
Trailers given in replies are filled; those carried in the patches from earlier versions are outlined with dashes.
Cover letter [PATCH 0/3] Add pci_enable_msi_partial() to conserve MSI-related resources
Add new pci_enable_msi_partial() interface and use it to conserve on othewise wasted interrupt resources.
AHCI driver is the first user which would conserve on 10 out of 16 unused MSI vectors on some Intel chipsets.
Alexander Gordeev (3):
PCI/MSI: Add pci_enable_msi_partial()
PCI/MSI/x86: Support pci_enable_msi_partial()
AHCI: Use pci_enable_msi_partial() to conserve on 10/16 MSIs
Documentation/PCI/MSI-HOWTO.txt | 36 ++++++++++++++-- arch/mips/pci/msi-octeon.c | 2 +- arch/powerpc/kernel/msi.c | 4 +- arch/s390/pci/pci.c | 2 +- arch/x86/include/asm/pci.h | 3 +- arch/x86/include/asm/x86_init.h | 3 +- arch/x86/kernel/apic/io_apic.c | 2 +- arch/x86/kernel/x86_init.c | 4 +- arch/x86/pci/xen.c | 9 +++- drivers/ata/ahci.c | 4 +- drivers/iommu/irq_remapping.c | 10 ++-- drivers/pci/msi.c | 83 ++++++++++++++++++++++++++++++++++----- include/linux/msi.h | 5 +- include/linux/pci.h | 3 + 14 files changed, 134 insertions(+), 36 deletions(-)
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1.7.7.6