Re: [Qemu-devel] [RFC PATCH] hw/arm/virt: Add support for NUMA on ARM64

[Shannon Zhao <zhaoshenglong@huawei.com>]

On 2014/12/3 0:00, Peter Maydell wrote:
> On 2 December 2014 at 12:56, Shannon Zhao <zhaoshenglong@huawei.com> wrote:
>> Add support for NUMA on ARM64. Tested successfully running a guest
>> Linux kernel with the following patch applied:
>>
>> - arm64:numa: adding numa support for arm64 platforms.
>> http://www.spinics.net/lists/arm-kernel/msg365316.html
>>
>> Example qemu command line:
>> qemu-system-aarch64 \
>>     -enable-kvm -smp 4\
>>     -kernel Image \
>>     -m 512 -machine virt,kernel_irqchip=on \
>>     -initrd guestfs.cpio.gz \
>>     -cpu host -nographic \
>>     -numa node,mem=256M,cpus=0-1,nodeid=0 \
>>     -numa node,mem=256M,cpus=2-3,nodeid=1 \
>>     -append "console=ttyAMA0 root=/dev/ram"
> 
> Thanks for sending this patch. Unfortunately I know very
> little about NUMA so it's a bit difficult for me to
> evaluate (would anybody else care to look at it?).
> Nevertheless, it's on my list of patches to review;
> ping me if I don't get to it within a week or two.
> 

Ok, thanks for your reply :-)

Something about NUMA can get from wiki:

http://en.wikipedia.org/wiki/Non-uniform_memory_access

Thanks,
Shannon