Messages in this thread | | | Date | Thu, 26 Nov 2009 13:59:17 +1100 | From | Paul Mackerras <> | Subject | Re: [PATCH v2 1/3] Kernel DLPAR Infrastructure |
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Nathan Fontenot writes:
> The Dynamic Logical Partitioning capabilities of the powerpc pseries platform > allows for the addition and removal of resources (i.e. CPU's, memory, and PCI > devices) from a partition. The removal of a resource involves > removing the resource's node from the device tree and then returning the > resource to firmware via the rtas set-indicator call. To add a resource, it > is first obtained from firmware via the rtas set-indicator call and then a > new device tree node is created using the ibm,configure-coinnector rtas call > and added to the device tree. > > This patch provides the kernel DLPAR infrastructure in a new filed named > dlpar.c. The functionality provided is for acquiring and releasing a resource > from firmware and the parsing of information returned from the > ibm,configure-connector rtas call. Additionally this exports the pSeries > reconfiguration notifier chain so that it can be invoked when device tree > updates are made. > > Signed-off-by: Nathan Fontenot <nfont@austin.ibm.com>
Acked-by: Paul Mackerras <paulus@samba.org>
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