On Mon, Oct 05, 2020 at 05:17:49PM -0700, Atish Patra wrote:
> diff --git a/arch/arm64/kernel/acpi_numa.c b/arch/arm64/kernel/acpi_numa.c
> index 7ff800045434..96502ff92af5 100644
> --- a/arch/arm64/kernel/acpi_numa.c
> +++ b/arch/arm64/kernel/acpi_numa.c
> @@ -117,16 +117,3 @@ void __init acpi_numa_gicc_affinity_init(struct
> acpi_srat_gicc_affinity *pa)
>
> node_set(node, numa_nodes_parsed);
> }
> -
> -int __init arm64_acpi_numa_init(void)
> -{
> - int ret;
> -
> - ret = acpi_numa_init();
> - if (ret) {
> - pr_info("Failed to initialise from firmware\n");
> - return ret;
> - }
> -
> - return srat_disabled() ? -EINVAL : 0;
> -}
I think it's better if arm64_acpi_numa_init() and arm64_numa_init()
remained in the arm64 code. It's not really much code to be shared.
> diff --git a/drivers/base/arch_numa.c b/drivers/base/arch_numa.c
> index 73f8b49d485c..74b4f2ddad70 100644
> --- a/drivers/base/arch_numa.c
> +++ b/drivers/base/arch_numa.c
> @@ -13,7 +13,6 @@
> #include <linux/module.h>
> #include <linux/of.h>
>
> -#include <asm/acpi.h>
> #include <asm/sections.h>
>
> struct pglist_data *node_data[MAX_NUMNODES] __read_mostly;
> @@ -444,16 +443,37 @@ static int __init dummy_numa_init(void)
> return 0;
> }
>
> +#ifdef CONFIG_ACPI_NUMA
> +static int __init arch_acpi_numa_init(void)
> +{
> + int ret;
> +
> + ret = acpi_numa_init();
> + if (ret) {
> + pr_info("Failed to initialise from firmware\n");
> + return ret;
> + }
> +
> + return srat_disabled() ? -EINVAL : 0;
> +}
> +#else
> +static int __init arch_acpi_numa_init(void)
> +{
> + return -EOPNOTSUPP;
> +}
> +
> +#endif
> +
> /**
> - * arm64_numa_init() - Initialize NUMA
> + * arch_numa_init() - Initialize NUMA
> *
> * Try each configured NUMA initialization method until one succeeds. The
> - * last fallback is dummy single node config encomapssing whole memory.
> + * last fallback is dummy single node config encompassing whole memory.
> */
> -void __init arm64_numa_init(void)
> +void __init arch_numa_init(void)
> {
> if (!numa_off) {
> - if (!acpi_disabled && !numa_init(arm64_acpi_numa_init))
> + if (!acpi_disabled && !numa_init(arch_acpi_numa_init))
> return;
> if (acpi_disabled && !numa_init(of_numa_init))
> return;
Does riscv even have an acpi_disabled variable?
--
Catalin
