Re: [PATCH v2 2/2] selftests/bpf: Select NUMA_NO_NODE to create map

Yonghong Song
2025-01-31T23:21:21Z

On 1/30/25 11:05 PM, Saket Kumar Bhaskar wrote:
> On powerpc, a CPU does not necessarily originate from NUMA node 0.
> This contrasts with architectures like x86, where CPU 0 is not
> hot-pluggable, making NUMA node 0 a consistently valid node.
> This discrepancy can lead to failures when creating a map on NUMA
> node 0, which is initialized by default, if no CPUs are allocated
> from NUMA node 0.
>
> This patch fixes the issue by setting NUMA_NO_NODE (-1) for map
> creation for this selftest.
>
> Fixes: 96eabe7a40aa ("bpf: Allow selecting numa node during map creation")
> Signed-off-by: Saket Kumar Bhaskar <skb99@linux.ibm.com>

Acked-by: Yonghong Song <yonghong.song@linux.dev>