linux-kernel - Re: [PATCH] ACPI: NUMA: initialize all values of acpi_early_node_map to NUMA_NO

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Message-ID: <34d81bcd-072b-4299-8791-f97a27872b55@arm.com>
Date: Mon, 29 Jul 2024 11:46:59 +0530
From: Anshuman Khandual <anshuman.khandual@....com>
To: Haibo Xu <haibo1.xu@...el.com>, sunilvl@...tanamicro.com
Cc: xiaobo55x@...il.com, ajones@...tanamicro.com,
 Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>,
 Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt
 <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>,
 Jonathan Cameron <Jonathan.Cameron@...wei.com>, Gavin Shan
 <gshan@...hat.com>, "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>,
 James Morse <james.morse@....com>, Hanjun Guo <guohanjun@...wei.com>,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
 linux-riscv@...ts.infradead.org
Subject: Re: [PATCH] ACPI: NUMA: initialize all values of acpi_early_node_map
 to NUMA_NO_NODE



On 7/29/24 09:29, 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.
> 
> Suggested-by: Andrew Jones <ajones@...tanamicro.com>
> Signed-off-by: Haibo Xu <haibo1.xu@...el.com>

Reviewed-by: Anshuman Khandual <anshuman.khandual@....com> (arm64 platform)

> ---
>  arch/arm64/kernel/acpi_numa.c | 2 +-
>  arch/riscv/kernel/acpi_numa.c | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> 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 };
>  
>  int __init acpi_numa_get_nid(unsigned int cpu)
>  {
> diff --git a/arch/riscv/kernel/acpi_numa.c b/arch/riscv/kernel/acpi_numa.c
> index 0231482d6946..ff95aeebee3e 100644
> --- a/arch/riscv/kernel/acpi_numa.c
> +++ b/arch/riscv/kernel/acpi_numa.c
> @@ -28,7 +28,7 @@
>  
>  #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 };
>  
>  int __init acpi_numa_get_nid(unsigned int cpu)
>  {