Re: stable-rc-4.19: cpufeature.c:909:21: error: 'MIDR_HISI_TSV110' undeclared

[Hanjun Guo]

Hi Sasha, Greg,

On 2019/11/4 7:22, Naresh Kamboju wrote:
> stable rc 4.19  branch build broken for arm64 with the below error log,
> 
> Build error log,
> arch/arm64/kernel/cpufeature.c: In function 'unmap_kernel_at_el0':
> arch/arm64/kernel/cpufeature.c:909:21: error: 'MIDR_HISI_TSV110'
> undeclared (first use in this function); did you mean
> 'GICR_ISACTIVER0'?
>   MIDR_ALL_VERSIONS(MIDR_HISI_TSV110),
>                     ^
> arch/arm64/include/asm/cputype.h:141:12: note: in definition of macro
> 'MIDR_RANGE'
>   .model = m,     \
>            ^
> arch/arm64/kernel/cpufeature.c:909:3: note: in expansion of macro
> 'MIDR_ALL_VERSIONS'
>   MIDR_ALL_VERSIONS(MIDR_HISI_TSV110),
>   ^~~~~~~~~~~~~~~~~
> arch/arm64/kernel/cpufeature.c:909:21: note: each undeclared
> identifier is reported only once for each function it appears in
>   MIDR_ALL_VERSIONS(MIDR_HISI_TSV110),
>                     ^
> arch/arm64/include/asm/cputype.h:141:12: note: in definition of macro
> 'MIDR_RANGE'
>   .model = m,     \
>            ^
> arch/arm64/kernel/cpufeature.c:909:3: note: in expansion of macro
> 'MIDR_ALL_VERSIONS'
>   MIDR_ALL_VERSIONS(MIDR_HISI_TSV110),

Patch "efd00c7 arm64: Add MIDR encoding for HiSilicon Taishan CPUs" needs to
be bacported as well, would you like me to do that, or just cherry-pick by yourself?

Thanks
Hanjun