linux-kernel - Re: [PATCH v6 2/7] ACPI/NUMA: Remove architecture dependent remainings

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Date: Tue, 30 Apr 2024 09:01:57 -0700
From: Alison Schofield <alison.schofield@...el.com>
To: Robert Richter <rrichter@....com>
Cc: "Rafael J. Wysocki" <rafael@...nel.org>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	Dan Williams <dan.j.williams@...el.com>, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-cxl@...r.kernel.org,
	Len Brown <lenb@...nel.org>
Subject: Re: [PATCH v6 2/7] ACPI/NUMA: Remove architecture dependent
 remainings

On Tue, Apr 30, 2024 at 11:21:55AM +0200, Robert Richter wrote:
> With the removal of the Itanium architecture [1] the last architecture
> dependent functions:
> 
>  acpi_numa_slit_init(), acpi_numa_memory_affinity_init()
> 
> were removed. Remove its remainings in the header files too and make
> them static.
> 
> [1] commit cf8e8658100d ("arch: Remove Itanium (IA-64) architecture")


Reviewed-by: Alison Schofield <alison.schofield@...el.com>

> 
> Reviewed-by: Dan Williams <dan.j.williams@...el.com>
> Signed-off-by: Robert Richter <rrichter@....com>
> ---
>  drivers/acpi/numa/srat.c | 16 ++--------------
>  include/linux/acpi.h     |  5 -----
>  2 files changed, 2 insertions(+), 19 deletions(-)
> 
> diff --git a/drivers/acpi/numa/srat.c b/drivers/acpi/numa/srat.c
> index 3b09fd39eeb4..e4d53e3660fd 100644
> --- a/drivers/acpi/numa/srat.c
> +++ b/drivers/acpi/numa/srat.c
> @@ -213,13 +213,12 @@ __weak int __init numa_fill_memblks(u64 start, u64 end)
>  	return NUMA_NO_MEMBLK;
>  }
>  
> -#if defined(CONFIG_X86) || defined(CONFIG_ARM64) || defined(CONFIG_LOONGARCH)
>  /*
>   * Callback for SLIT parsing.  pxm_to_node() returns NUMA_NO_NODE for
>   * I/O localities since SRAT does not list them.  I/O localities are
>   * not supported at this point.
>   */
> -void __init acpi_numa_slit_init(struct acpi_table_slit *slit)
> +static void __init acpi_numa_slit_init(struct acpi_table_slit *slit)
>  {
>  	int i, j;
>  
> @@ -241,11 +240,7 @@ void __init acpi_numa_slit_init(struct acpi_table_slit *slit)
>  	}
>  }
>  
> -/*
> - * Default callback for parsing of the Proximity Domain <-> Memory
> - * Area mappings
> - */
> -int __init
> +static int __init
>  acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
>  {
>  	u64 start, end;
> @@ -345,13 +340,6 @@ static int __init acpi_parse_cfmws(union acpi_subtable_headers *header,
>  	(*fake_pxm)++;
>  	return 0;
>  }
> -#else
> -static int __init acpi_parse_cfmws(union acpi_subtable_headers *header,
> -				   void *arg, const unsigned long table_end)
> -{
> -	return 0;
> -}
> -#endif /* defined(CONFIG_X86) || defined (CONFIG_ARM64) */
>  
>  static int __init acpi_parse_slit(struct acpi_table_header *table)
>  {
> diff --git a/include/linux/acpi.h b/include/linux/acpi.h
> index 34829f2c517a..2c227b61a452 100644
> --- a/include/linux/acpi.h
> +++ b/include/linux/acpi.h
> @@ -242,9 +242,6 @@ static inline bool acpi_gicc_is_usable(struct acpi_madt_generic_interrupt *gicc)
>  	return gicc->flags & ACPI_MADT_ENABLED;
>  }
>  
> -/* the following numa functions are architecture-dependent */
> -void acpi_numa_slit_init (struct acpi_table_slit *slit);
> -
>  #if defined(CONFIG_X86) || defined(CONFIG_LOONGARCH)
>  void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
>  #else
> @@ -267,8 +264,6 @@ static inline void
>  acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { }
>  #endif
>  
> -int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
> -
>  #ifndef PHYS_CPUID_INVALID
>  typedef u32 phys_cpuid_t;
>  #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
> -- 
> 2.39.2
>