lkml.org 
[lkml]   [2014]   [Jan]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH 00/17] x86, ia64 NUMA cleanup
Date
On Wednesday, January 29, 2014 11:17:25 AM Bjorn Helgaas wrote:
> This is all cleanup: it adds no new functionality and should make no
> functional difference at all except a printk change or two.
>
> The main ideas are:
>
> - Clean up the x86 PCI bus scanning interfaces. We had:
> struct pci_bus *pci_scan_bus_on_node(int bus, struct pci_ops *, int node)
> struct pci_bus *pcibios_scan_root(int bus)
> struct pci_bus *pci_scan_bus_with_sysdata(int bus)
> void pcibios_scan_specific_bus(int bus)
> These were all basically the same, so I kept only pcibios_scan_root().
>
> - Get rid of mp_bus_to_node[]. This was basically a way of passing node
> info from the AMD "native host bridg driver" (amd_bus.c) into the PCI
> core. It was clunky and inconsistent between x86-64 and i386. I
> replaced it with x86_pci_root_bus_node(), analogous to the existing
> x86_pci_root_bus_resources().
>
> - Remove _PXM knowledge from the PCI host bridge, IOMMU, and APIC code.
> They really only care about the NUMA node number, not the raw _PXM
> value.
>
> ---
>
> Bjorn Helgaas (17):
> x86/PCI: Drop pcibios_scan_root() check for bus already scanned
> x86/PCI: Use pcibios_scan_root() instead of pci_scan_bus_with_sysdata()
> x86/PCI: Use pcibios_scan_root() instead of pci_scan_bus_on_node()
> x86/PCI: Merge pci_scan_bus_on_node() into pcibios_scan_root()
> x86/PCI: Drop return value of pcibios_scan_root()
> x86/PCI: Add x86_pci_root_bus_node() to look up NUMA node from PCI bus
> x86/PCI: Use x86_pci_root_bus_node() instead of get_mp_bus_to_node()
> x86/PCI: Remove mp_bus_to_node[], set_mp_bus_to_node(), get_mp_bus_to_node()
> x86/PCI: Remove unnecessary list_empty(&pci_root_infos) check
> x86/PCI: Use NUMA_NO_NODE, not -1, for unknown node
> x86/PCI: Remove acpi_get_pxm() usage
> ia64 / sba_iommu: Use NUMA_NO_NODE, not MAX_NUMNODES, for unknown node
> ia64: Remove acpi_get_pxm() usage
> ACPI / numa: Fix acpi_get_node() prototype
> ACPI / numa: Simplify acpi_get_node() style
> ACPI / numa: Make __acpi_map_pxm_to_node(), acpi_get_pxm() static
> ACPI / numa: Use __weak, not the gcc-specific version
>
>
> arch/ia64/hp/common/sba_iommu.c | 32 +++-------
> arch/ia64/include/asm/pci.h | 2 -
> arch/ia64/kernel/acpi.c | 28 ++-------
> arch/ia64/pci/pci.c | 10 +--
> arch/x86/include/asm/pci.h | 7 --
> arch/x86/include/asm/topology.h | 14 ----
> arch/x86/pci/acpi.c | 29 ++-------
> arch/x86/pci/amd_bus.c | 10 ---
> arch/x86/pci/bus_numa.c | 13 +++-
> arch/x86/pci/common.c | 128 +++++----------------------------------
> arch/x86/pci/fixup.c | 6 +-
> arch/x86/pci/irq.c | 6 --
> arch/x86/pci/legacy.c | 4 -
> arch/x86/pci/numaq_32.c | 6 +-
> arch/x86/pci/visws.c | 4 +
> drivers/acpi/numa.c | 16 ++---
> include/acpi/acpi_numa.h | 1
> include/linux/acpi.h | 9 +--
> 18 files changed, 75 insertions(+), 250 deletions(-)

Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

for the whole series.

Thanks!

--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.


\
 
 \ /
  Last update: 2014-01-29 22:41    [W:0.127 / U:0.312 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site