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SubjectRe: [PATCH v2] RISC-V: Add mvendorid, marchid, and mimpid to /proc/cpuinfo output
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Am Mittwoch, 27. Juli 2022, 06:38:29 CEST schrieb Anup Patel:
> Identifying the underlying RISC-V implementation can be important
> for some of the user space applications. For example, the perf tool
> uses arch specific CPU implementation id (i.e. CPUID) to select a
> JSON file describing custom perf events on a CPU.
>
> Currently, there is no way to identify RISC-V implementation so we
> add mvendorid, marchid, and mimpid to /proc/cpuinfo output.
>
> Signed-off-by: Anup Patel <apatel@ventanamicro.com>
> Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
> Tested-by: Nikita Shubin <n.shubin@yadro.com>

Reviewed-by: Heiko Stuebner <heiko@sntech.de>
[on Qemu and Allwinner D1]
Tested-by: Heiko Stuebner <heiko@sntech.de>




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