Re: [PATCH v2 2/2] arm64: ACPI: NUMA: initialize all values of acpi_early_node_map to NUMA_NO_NODE

[Catalin Marinas <catalin.marinas@arm.com>]

On Mon, Aug 05, 2024 at 11:30:24AM +0800, Haibo Xu wrote:
> Currently, only acpi_early_node_map[0] was initialized to NUMA_NO_NODE.
> To ensure all the values were properly initialized, switch to initialize
> all of them to NUMA_NO_NODE.
> 
> Fixes: e18962491696 ("arm64: numa: rework ACPI NUMA initialization")
> Reported-by: Andrew Jones <ajones@ventanamicro.com>
> Suggested-by: Andrew Jones <ajones@ventanamicro.com>
> Signed-off-by: Haibo Xu <haibo1.xu@intel.com>
> Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
> Reviewed-by: Sunil V L <sunilvl@ventanamicro.com>
> Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
> ---
>  arch/arm64/kernel/acpi_numa.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/kernel/acpi_numa.c b/arch/arm64/kernel/acpi_numa.c
> index 0c036a9a3c33..2465f291c7e1 100644
> --- a/arch/arm64/kernel/acpi_numa.c
> +++ b/arch/arm64/kernel/acpi_numa.c
> @@ -27,7 +27,7 @@
>  
>  #include <asm/numa.h>
>  
> -static int acpi_early_node_map[NR_CPUS] __initdata = { NUMA_NO_NODE };
> +static int acpi_early_node_map[NR_CPUS] __initdata = { [0 ... NR_CPUS - 1] = NUMA_NO_NODE };

Acked-by: Catalin Marinas <catalin.marinas@arm.com>

The patch makes sense but is there any issue currently without it?
Trying to assess whether it needs a stable backport.

-- 
Catalin