From: Paul Mackerras <paulus@samba.org>
To: Nathan Fontenot <nfont@austin.ibm.com>
Cc: linuxppc-dev@ozlabs.org, gregkh@suse.de, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 1/3] Kernel DLPAR Infrastructure
Date: Thu, 26 Nov 2009 13:59:17 +1100 [thread overview]
Message-ID: <19213.61189.559138.936155@drongo.ozlabs.ibm.com> (raw)
In-Reply-To: <4B0CD879.9020400@austin.ibm.com>
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>
next prev parent reply other threads:[~2009-11-26 2:59 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-25 7:04 [PATCH v2 0/3] Kernel handling of Dynamic Logical Partitioning Nathan Fontenot
2009-11-25 7:10 ` [PATCH v2 1/3] Kernel DLPAR Infrastructure Nathan Fontenot
2009-11-26 2:59 ` Paul Mackerras [this message]
2009-11-25 7:12 ` [PATCH v2 2/3] sysfs cpu probe/release files Nathan Fontenot
2009-11-25 13:01 ` Greg KH
2009-11-26 2:59 ` Paul Mackerras
2009-11-26 3:23 ` [PATCH v3 " Nathan Fontenot
2009-11-25 7:13 ` [PATCH v2 3/3]CPU DLPAR handling Nathan Fontenot
2009-11-26 2:59 ` Paul Mackerras
2009-11-27 22:41 ` [PATCH v2 0/3] Kernel handling of Dynamic Logical Partitioning Eric W. Biederman
2009-11-30 20:48 ` Nathan Fontenot
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