[RFC PATCH 1/4] arm64: defconfig: increase NR_CPUS range to 2-128

Ganapatrao Kulkarni gpkulkarni at gmail.com
Sun Oct 5 21:29:00 PDT 2014


On Fri, Oct 3, 2014 at 4:28 PM, Mark Rutland <mark.rutland at arm.com> wrote:
> On Thu, Sep 25, 2014 at 10:03:56AM +0100, Ganapatrao Kulkarni wrote:
>> Raising the maximum limit to 128. This is needed for Cavium's
>> Thunder systems that will have 96 cores on Multi-node system.
>
> Has this been tested on any such systems?
This is tested on Cavium's Thunder 2 Node Simulator with kernel 3.17-rc5.
please let us know, if any specific configurations needs to be tested
with the change.
>
> Mark.
>
>>
>> Signed-off-by: Ganapatrao Kulkarni <ganapatrao.kulkarni at caviumnetworks.com>
>> ---
>>  arch/arm64/Kconfig | 4 ++--
>>  1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
>> index 4d42453..a409105 100644
>> --- a/arch/arm64/Kconfig
>> +++ b/arch/arm64/Kconfig
>> @@ -296,8 +296,8 @@ config SCHED_SMT
>>         places. If unsure say N here.
>>
>>  config NR_CPUS
>> -     int "Maximum number of CPUs (2-64)"
>> -     range 2 64
>> +     int "Maximum number of CPUs (2-128)"
>> +     range 2 128
>>       depends on SMP
>>       # These have to remain sorted largest to smallest
>>       default "64"
>> --
>> 1.8.1.4
>>
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thanks
ganapat



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