[dpdk-dev] [PATCH v2 1/5] eal: Set numa node value for system which not support NUMA.

Ferruh Yigit ferruh.yigit at intel.com
Thu Jan 5 15:23:57 CET 2017


On 1/5/2017 12:01 PM, nickcooper-zhangtonghao wrote:
> The NUMA node information for PCI devices provided through
> sysfs is invalid for AMD Opteron(TM) Processor 62xx and 63xx
> on Red Hat Enterprise Linux 6, and VMs on some hypervisors.
> 
> Signed-off-by: nickcooper-zhangtonghao <nic at opencloud.tech>

Hi nickcooper-zhangtonghao,

The patches in the patchset are individual patches, right? Is there any
dependency between them?

And CC'ed vmxnet3 driver maintainer: Yong Wang <yongwang at vmware.com>

Thanks,
ferruh

> ---
>  lib/librte_eal/linuxapp/eal/eal_pci.c | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/lib/librte_eal/linuxapp/eal/eal_pci.c b/lib/librte_eal/linuxapp/eal/eal_pci.c
> index 4350134..5dfdbe9 100644
> --- a/lib/librte_eal/linuxapp/eal/eal_pci.c
> +++ b/lib/librte_eal/linuxapp/eal/eal_pci.c
> @@ -317,7 +317,13 @@
>  			free(dev);
>  			return -1;
>  		}
> -		dev->device.numa_node = tmp;
> +		/* The NUMA node information for PCI devices provided through
> +		 * sysfs is invalid for AMD Opteron(TM) Processor 62xx and 63xx
> +		 * on Red Hat Enterprise Linux 6, and VMs on some hypervisors.
> +		 * In the upstream linux kernel, the numa_node is an integer,
> +		 * which data type is int, not unsigned long.
> +		 */
> +		dev->device.numa_node = (int)tmp > 0 ? (int)tmp : 0;
>  	}
>  
>  	/* parse resources */
> 



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