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SubjectRe: [PATCH -next] arm64: Export __cpu_logical_map
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On 07/24/2020 03:00 PM, Catalin Marinas wrote:
> On Fri, Jul 24, 2020 at 01:46:18PM +0530, Anshuman Khandual wrote:
>> On 07/24/2020 08:38 AM, Kefeng Wang wrote:
>>> 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.
>> Commit 887d5fc82cb4 ("cpufreq: Add Tegra194 cpufreq driver") which adds
>> this particular driver is present just on linux-next. But as expected,
>> the driver does not use __cpu_logical_map directly but instead accesses
>> it via cpu_logical_map() wrapper. Wondering, how did you even trigger
>> the modpost error ?
> Since the wrapper is a macro, it just expands to __cpu_logical_map[].
>

Ahh, right. Existing cpu_logical_map() is not a true wrapper and it
makes sense to convert that into one.

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