Re: [PATCH for-9.1] hw/loongarch: Fix length for lowram in ACPI SRAT

[maobibo]

On 2024/8/21 上午2:42, Jiaxun Yang wrote:
> The size of lowram should be "gap" instead of the whole node.
>
> This is failing kernel's sanity check:
>
> [    0.000000] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0xffffffff]
> [    0.000000] ACPI: SRAT: Node 0 PXM 0 [mem 0x80000000-0x16fffffff]
> [    0.000000] ACPI: SRAT: Node 1 PXM 1 [mem 0x170000000-0x26fffffff]
> [    0.000000] Warning: node 0 [mem 0x00000000-0xffffffff] overlaps with itself 
> [mem 0x80000000-0x16fffffff]
>
> Fixes: fc100011f38d ("hw/loongarch: Refine acpi srat table for numa memory")
> Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
> ---
>   hw/loongarch/acpi-build.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/hw/loongarch/acpi-build.c b/hw/loongarch/acpi-build.c
> index 72bfc35ae6c2..2638f8743463 100644
> --- a/hw/loongarch/acpi-build.c
> +++ b/hw/loongarch/acpi-build.c
> @@ -218,7 +218,7 @@ build_srat(GArray *table_data, BIOSLinker *linker, 
> MachineState *machine)
>            *   highram: [VIRT_HIGHMEM_BASE, +(len - gap))
>            */
>           if (len >= gap) {
> -            build_srat_memory(table_data, base, len, i, MEM_AFFINITY_ENABLED);
> +            build_srat_memory(table_data, base, gap, i, MEM_AFFINITY_ENABLED);
>               len -= gap;
>               base = VIRT_HIGHMEM_BASE;
>               gap = machine->ram_size - VIRT_LOWMEM_SIZE;
>
> ---
> base-commit: 075fd020afe3150a0e6c4b049705b358b597b65a
> change-id: 20240820-fix-numa-range-f1f0302e138d
>
> Best regards,
Thanks for catching this.

Reviewed-by: Bibo Mao <maobibo@loongson.cn>