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@xxxxxxxxxxxx>