Re: [PATCH v3 00/15] riscv: hwprobe: Expose RVA23U64 base behavior

[Andrew Jones]

On Wed, Jun 03, 2026 at 07:11:55AM -0400, Guodong Xu wrote:
> This series builds on Andrew Jones's earlier RFC [1]. It lets
> userspace check for RVA23U64 conformance in one call, instead of
> walking hwprobe + prctl across every mandatory extension.
> 
> The series adds a small framework that resolves profile-class
> bases (IMA and RVA23U64) from the kernel's ISA extension bitmap at
> init time, and surfaces the result through both /proc/cpuinfo and
> hwprobe. Later patches can add RVA23S64, and backward RVA22 / RVA20
> detection, to riscv_set_isa_bases() without changes to the
> surrounding code.
>

Hi Guodong,

The series looks good to me. Thanks a lot for picking up this work!

drew