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[Xen-devel] [PATCH] Allow to set >8 for NR_CPUS on x86_64 xenlinux


  • To: "Xen development list" <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: "Nakajima, Jun" <jun.nakajima@xxxxxxxxx>
  • Date: Fri, 18 Nov 2005 21:50:55 -0800
  • Delivery-date: Sat, 19 Nov 2005 05:51:01 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcXszTTWSLbLzxxJRkyM0PsRw6Qx2A==
  • Thread-topic: [PATCH] Allow to set >8 for NR_CPUS on x86_64 xenlinux

The patch allows one to configure NR_CPUS >8 (16 by default, same as the
native) for x86_64 xenlinux. I tested 16-way xenolinux (using changeset
7892) on a 16-way SMP machine with >8GB memory. It worked fine as long
as I did sanity tests like kernel build (make -j64).

Signed-off-by: Jun Nakajima <jun.nakajima@xxxxxxxxx>

Jun
---
Intel Open Source Technology Center 

Attachment: max_cpus.patch
Description: max_cpus.patch

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