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

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?

Mark.

On Fri, Oct 3, 2014 at 4:28 PM, Mark Rutland [off-list ref] wrote:

On Thu, Sep 25, 2014 at 10:03:56AM +0100, Ganapatrao Kulkarni wrote:

quoted

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.

quoted

Signed-off-by: Ganapatrao Kulkarni <redacted>
---
 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