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Re: [PATCH V6 1/2] powerpc/hotplug: Ensure enough nodes avail for operations

From Michael Ellerman <mpe@ellerman.id.au>
Newsgroups linux.kernel
Subject Re: [PATCH V6 1/2] powerpc/hotplug: Ensure enough nodes avail for operations
Date 2017-06-21 12:00 +0200
Message-ID <tUKAz-4rR-27@gated-at.bofh.it> (permalink)
References <tUt6G-1QX-29@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Michael Bringmann <mwb@linux.vnet.ibm.com> writes:

> powerpc/hotplug: On systems like PowerPC which allow 'hot-add' of CPU
> or memory resources, it may occur that the new resources are to be
> inserted into nodes that were not used for these resources at bootup.
> In the kernel, any node that is used must be defined and initialized
> at boot.  In order to meet both needs, this patch adds a new kernel
> command line option (numnodes=<int>) for use by the PowerPC architecture-

Sorry, that's a hack.

I thought you were going to use firmware properties to find the set of
possible nodes. Did that not work?

cheers

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Thread

[PATCH V6 1/2] powerpc/hotplug: Ensure enough nodes avail for  operations Michael Bringmann <mwb@linux.vnet.ibm.com> - 2017-06-20 17:20 +0200
  Re: [PATCH V6 1/2] powerpc/hotplug: Ensure enough nodes avail for operations Michael Ellerman <mpe@ellerman.id.au> - 2017-06-21 12:00 +0200
    Re: [PATCH V6 1/2] powerpc/hotplug: Ensure enough nodes avail for  operations Michael Bringmann <mwb@linux.vnet.ibm.com> - 2017-06-21 16:30 +0200

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