Messages in this thread | | | Date | Thu, 11 Oct 2007 17:17:12 -0400 | From | Jeff Garzik <> | Subject | Re: [PATCH v2 1/2] PCI: Add 'nodomains' boot option, and pci_domains_supported global |
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Jeff Garzik wrote: > * Introduce pci_domains_supported global, hardcoded to zero if > !CONFIG_PCI_DOMAINS. > > * Introduce 'nodomains' boot option, which clears pci_domains_supported > on platforms that enable it by default (x86, x86-64, and others when > they are converted to use this). > > Signed-off-by: Jeff Garzik <jgarzik@redhat.com> > --- > Revised per Andi's comments, and split into two patches. > > As found in jgarzik/misc-2.6.git#ALL and jgarzik/misc-2.6.git#pciseg. > > Documentation/kernel-parameters.txt | 2 ++ > drivers/pci/pci.c | 13 +++++++++++++ > include/linux/pci.h | 7 +++++-- > 3 files changed, 20 insertions(+), 2 deletions(-)
As a note, if this wasn't obvious, this was not implemented in x86-specific code because I think other arches can/should be able to hook into this.
The default !CONFIG_PCI_DOMAINS implementation continues to work for all such arches.
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