Re: [PATCH v3 00/15] riscv: hwprobe: Expose RVA23U64 base behavior
Andrew Jones <[email protected]> Thu, 4 Jun 2026 11:03:19 -0500
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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