Re: [PATCH v5 04/14] acpi, numa: Move acpi_numa_arch_fixup() to ia64 only

Hanjun Guo
2016-04-26T05:15:22Z

On 2016/4/20 9:40, David Daney wrote:
> From: Robert Richter <rrichter@cavium.com>
>
> Since acpi_numa_arch_fixup() is only used in arch ia64, move it there
> to make a generic interface easier. This avoids empty function stubs
> or some complex kconfig options for x86 and arm64.
>
> Signed-off-by: Robert Richter <rrichter@cavium.com>
> Signed-off-by: David Daney <david.daney@cavium.com>
> ---
> arch/ia64/include/asm/acpi.h | 3 +++
> arch/ia64/kernel/acpi.c | 2 +-
> arch/ia64/kernel/setup.c | 1 +
> arch/x86/mm/srat.c | 2 --
> drivers/acpi/numa.c | 2 --
> include/linux/acpi.h | 1 -
> 6 files changed, 5 insertions(+), 6 deletions(-)
>
> diff --git a/arch/ia64/include/asm/acpi.h b/arch/ia64/include/asm/acpi.h
> index aa0fdf1..a3d0211 100644
> --- a/arch/ia64/include/asm/acpi.h
> +++ b/arch/ia64/include/asm/acpi.h
> @@ -140,6 +140,9 @@ static inline void per_cpu_scan_finalize(int min_cpus, int reserve_cpus)
> }
> }
> }
> +
> +extern void acpi_numa_fixup(void);
> +
> #endif /* CONFIG_ACPI_NUMA */
>
> #endif /*__KERNEL__*/
> diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
> index b1698bc..92b7bc9 100644
> --- a/arch/ia64/kernel/acpi.c
> +++ b/arch/ia64/kernel/acpi.c
> @@ -524,7 +524,7 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
> return 0;
> }
>
> -void __init acpi_numa_arch_fixup(void)
> +void __init acpi_numa_fixup(void)
> {
> int i, j, node_from, node_to;
>
> diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
> index 2029a38..afddb3e 100644
> --- a/arch/ia64/kernel/setup.c
> +++ b/arch/ia64/kernel/setup.c
> @@ -552,6 +552,7 @@ setup_arch (char **cmdline_p)
> early_acpi_boot_init();
> # ifdef CONFIG_ACPI_NUMA
> acpi_numa_init();
> + acpi_numa_fixup();
> # ifdef CONFIG_ACPI_HOTPLUG_CPU
> prefill_possible_map();
> # endif
> diff --git a/arch/x86/mm/srat.c b/arch/x86/mm/srat.c
> index b5f8218..90b6ed9 100644
> --- a/arch/x86/mm/srat.c
> +++ b/arch/x86/mm/srat.c
> @@ -212,8 +212,6 @@ out_err:
> return -1;
> }
>
> -void __init acpi_numa_arch_fixup(void) {}
> -
> int __init x86_acpi_numa_init(void)
> {
> int ret;
> diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c
> index 2de6068..f41f06b 100644
> --- a/drivers/acpi/numa.c
> +++ b/drivers/acpi/numa.c
> @@ -316,8 +316,6 @@ int __init acpi_numa_init(void)
> /* SLIT: System Locality Information Table */
> acpi_table_parse(ACPI_SIG_SLIT, acpi_parse_slit);
>
> - acpi_numa_arch_fixup();
> -
> if (cnt < 0)
> return cnt;
> else if (!parsed_numa_memblks)
> diff --git a/include/linux/acpi.h b/include/linux/acpi.h
> index 06ed7e5..ab6fd96 100644
> --- a/include/linux/acpi.h
> +++ b/include/linux/acpi.h
> @@ -244,7 +244,6 @@ void acpi_numa_slit_init (struct acpi_table_slit *slit);
> void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
> void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
> int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
> -void acpi_numa_arch_fixup(void);
>
> #ifndef PHYS_CPUID_INVALID
> typedef u32 phys_cpuid_t;

Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org>

Thanks
Hanjun