Messages in this thread | | | Subject | Re: [PATCH v2 0/3] RISC-V: Export Zba, Zbb to usermode via hwprobe | Date | Mon, 19 Jun 2023 15:07:05 -0700 | From | Palmer Dabbelt <> |
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On Tue, 09 May 2023 11:25:00 -0700, Evan Green wrote: > This change detects the presence of Zba, Zbb, and Zbs extensions and exports > them per-hart to userspace via the hwprobe mechanism. Glibc can then use > these in setting up hwcaps-based library search paths. > > There's a little bit of extra housekeeping here: the first change adds > Zba and Zbs to the set of extensions the kernel recognizes, and the second > change starts tracking ISA features per-hart (in addition to the ANDed > mask of features across all harts which the kernel uses to make > decisions). Now that we track the ISA information per-hart, we could > even fix up /proc/cpuinfo to accurately report extension per-hart, > though I've left that out of this series for now. > > [...]
Applied, thanks!
[1/3] RISC-V: Add Zba, Zbs extension probing https://git.kernel.org/palmer/c/c6699baf1064 [2/3] RISC-V: Track ISA extensions per hart https://git.kernel.org/palmer/c/82e9c66e81c8 [3/3] RISC-V: hwprobe: Expose Zba, Zbb, and Zbs https://git.kernel.org/palmer/c/c0baf321038d
Best regards, -- Palmer Dabbelt <palmer@rivosinc.com>
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