Re: [PATCH -next] arm64: Export __cpu_logical_map

Christoph Hellwig
2020-07-24T09:45:06Z

On Fri, Jul 24, 2020 at 11:08:03AM +0800, Kefeng Wang wrote:
> +maillist
>
> On 2020/7/24 11:04, Kefeng Wang wrote:
> > ERROR: modpost: "__cpu_logical_map" [drivers/cpufreq/tegra194-cpufreq.ko] undefined!
> >
> > ARM64 tegra194-cpufreq driver use cpu_logical_map, export
> > __cpu_logical_map to fix build issue.
> >
> > Reported-by: Hulk Robot <hulkci@huawei.com>
> > Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
> > ---
> > arch/arm64/kernel/setup.c | 1 +
> > 1 file changed, 1 insertion(+)
> >
> > diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
> > index c793276ec7ad9..3aea05fbb9998 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(__cpu_logical_map);

EXPORT_SYMBOL_GPL, please. Also consider turning the wrapper into
an out of line function instead of exporting the data structure.