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SubjectRe: [PATCH] fix arm64 build with lack of __cpu_logical_map exported
Hi Greg,

On Sat, Aug 08, 2020 at 02:42:42PM +0200, Greg Kroah-Hartman wrote:
> diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
> index 87e81d29e6fb..b421a4756793 100644
> --- a/arch/arm64/kernel/setup.c
> +++ b/arch/arm64/kernel/setup.c
> @@ -275,6 +275,7 @@ static int __init reserve_memblock_reserved_regions(void)
> arch_initcall(reserve_memblock_reserved_regions);
>
> u64 __cpu_logical_map[NR_CPUS] = { [0 ... NR_CPUS-1] = INVALID_HWID };
> +EXPORT_SYMBOL_GPL(__cpu_logical_map);

This was still under discussion, Sudeep preferring an alternative in the
driver:

http://lkml.kernel.org/r/20200727172744.GD8003@bogus
http://lkml.kernel.org/r/20200724131059.GB6521@bogus

Sumit came with a new diff inline that fixes the driver instead of
exporting the __cpu_logical_map.

https://lore.kernel.org/linux-arm-kernel/e3a4bc21-c334-4d48-90b5-aab8d187939e@nvidia.com/

Sumit, Sudeep, is the above diff sufficient and can it go upstream?

Thanks.

--
Catalin

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