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2010 Sep 03
0
Re: many guests on Xen 4 NR_DYNAMIC_IRQS success report...
...vely moving towards the xen 4/pv_ops kernel (2.6.32.18,
xen/stable-2.6.32.x as of yesterday).
I need a lot of guests, as our smallest hardware has 32GiB ram, and our median
guest has 256MiB ram.
we followed
http://lists.xensource.com/archives/html/xen-devel/2010-04/msg01537.html
and changed
NR_DYNAMIC_IRQS in arch/x86/include/asm/irq_vectors.h to 2048.
we changed the .config like so:
CONFIG_SPARSE_IRQ=n
then we applied the following patch to arch/x86/include/asm/irq_vectors.h:
--- ./linux-2.6-pvops.git/arch/x86/include/asm/irq_vectors.h.old 2010-08-11 15:40:53.000000000 +0000...