Re: [RFC PATCH v3 1/2] arm64: tlb: Detect the ARMv8.4 TLBI RANGE feature

Zhenyu Ye
2020-05-18T12:29:50Z

Hi Anshuman,

On 2020/5/18 12:22, Anshuman Khandual wrote:
>>>> static const struct arm64_ftr_bits ftr_id_aa64isar0[] = {
>>>> ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64ISAR0_RNDR_SHIFT, 4, 0),
>>>> + ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64ISAR0_TLBI_RANGE_SHIFT, 4, 0),
>
> Hello Zhenyu,
>
> This is already being added through another patch [1] in a series [2] which primarily
> has cpufeature changes. I will soon update the series making this feature FTR_HIDDEN.
>
> [1] https://patchwork.kernel.org/patch/11523881/
> [2] https://patchwork.kernel.org/project/linux-arm-kernel/list/?series=281211
>
> I am planning to respin the series (V4) based on arm64 tree (for-next/cpufeature). So
> could you please rebase this patch (probably dropping cpufeature related changes) on
> upcoming V4, so that all the changes will be based on arm64 tree (for-next/cpufeature).
>
> - Anshuman
>

OK, I will rebase my patch based on your V4.

Zhenyu