[Xen-devel] [PATCH v5] Spread boot time scrubbing across available CPUs.

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

Please see v5 of this patchset. It should have all review comments addressed.

I did change the algorithm for the NUMA-node-but-no-CPUs code. It now
picks the closest NUMA node CPUs to do the scrubbing. If that node
does not have any CPUs it will continue on until it finds something - or
it falls back on the first node. And if the first node has no CPUs either
- it will just pick the BSP and call it a day. That hopefully should take
care of it running on broken hardware.

I've also cross compiled it on ARM but hadn't yet run the emulator to 
make sure it works right. I figured I would do that once the x86 folks
are comfortable with the patch.

Thank you everybody for reviewing the patch over and over.

 docs/misc/xen-command-line.markdown |  10 ++
 xen/common/page_alloc.c             | 208 ++++++++++++++++++++++++++++++++----
 xen/include/asm-arm/numa.h          |   1 +
 3 files changed, 201 insertions(+), 18 deletions(-)


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