Re: [PATCH] RISC-V: Add mvendorid, marchid, and mimpid to /proc/cpuinfo output
From: Conor.Dooley
Date: Tue Jul 26 2022 - 09:40:33 EST
Hey Anup,
On 26/07/2022 12:57, Anup Patel wrote:
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>
> Hi Palmer,
>
> On Mon, Jun 20, 2022 at 5:26 PM Anup Patel <apatel@xxxxxxxxxxxxxxxx> wrote:
>>
>> 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@xxxxxxxxxxxxxxxx>
>
> Can this patch be considered for 5.20 ?
iirc I mentioned the consistency of using defined() for
CONFIG_RISCV_SBI versus IS_ENABLED() elsewhere in arch/riscv/
but I don't recall a response.
Thanks,
Conor.