* [PATCH 0/3] Add pci_enable_msi_partial() to conserve MSI-related resources
@ 2014-06-10 13:10 Alexander Gordeev
0 siblings, 0 replies; 3+ messages in thread
From: Alexander Gordeev @ 2014-06-10 13:10 UTC (permalink / raw)
To: linux-kernel
Cc: linux-mips, linux-s390, linux-pci, x86, linux-doc, linux-ide,
iommu, Alexander Gordeev, xen-devel, linuxppc-dev
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.
Cc: linux-doc@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-s390@vger.kernel.org
Cc: x86@kernel.org
Cc: xen-devel@lists.xenproject.org
Cc: iommu@lists.linux-foundation.org
Cc: linux-ide@vger.kernel.org
Cc: linux-pci@vger.kernel.org
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(-)
--
1.7.7.6
^ permalink raw reply [flat|nested] 3+ messages in thread
* [PATCH 0/3] Add pci_enable_msi_partial() to conserve MSI-related resources
@ 2014-06-10 13:10 ` Alexander Gordeev
0 siblings, 0 replies; 3+ messages in thread
From: Alexander Gordeev @ 2014-06-10 13:10 UTC (permalink / raw)
To: linux-kernel
Cc: Alexander Gordeev, linux-doc, linux-mips, linuxppc-dev,
linux-s390, x86, xen-devel, iommu, linux-ide, linux-pci
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.
Cc: linux-doc@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-s390@vger.kernel.org
Cc: x86@kernel.org
Cc: xen-devel@lists.xenproject.org
Cc: iommu@lists.linux-foundation.org
Cc: linux-ide@vger.kernel.org
Cc: linux-pci@vger.kernel.org
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(-)
--
1.7.7.6
^ permalink raw reply [flat|nested] 3+ messages in thread
* [PATCH 0/3] Add pci_enable_msi_partial() to conserve MSI-related resources
@ 2014-06-10 13:10 ` Alexander Gordeev
0 siblings, 0 replies; 3+ messages in thread
From: Alexander Gordeev @ 2014-06-10 13:10 UTC (permalink / raw)
To: linux-kernel
Cc: linux-mips, linux-s390, linux-pci, x86, linux-doc, linux-ide,
iommu, Alexander Gordeev, xen-devel, linuxppc-dev
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.
Cc: linux-doc@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-s390@vger.kernel.org
Cc: x86@kernel.org
Cc: xen-devel@lists.xenproject.org
Cc: iommu@lists.linux-foundation.org
Cc: linux-ide@vger.kernel.org
Cc: linux-pci@vger.kernel.org
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(-)
--
1.7.7.6
^ permalink raw reply [flat|nested] 3+ messages in thread
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2014-06-10 13:10 [PATCH 0/3] Add pci_enable_msi_partial() to conserve MSI-related resources Alexander Gordeev
2014-06-10 13:10 Alexander Gordeev
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