[External] [PATCH v6 3/5] drivers: firmware: add riscv SSE support

Clément Léger cleger at rivosinc.com
Tue Aug 12 05:57:02 PDT 2025



On 12/08/2025 14:54, yunhui cui wrote:
>>                                                       &preferred_hart);
>> +                       if (ret)
>> +                               goto err_event_free;
>> +
>> +                       cpu = riscv_hartid_to_cpuid(preferred_hart);
>> +                       sse_global_event_update_cpu(event, cpu);
>> +
>> +                       ret = sse_sbi_register_event(event, event->global);
>> +                       if (ret)
>> +                               goto err_event_free;
>> +
>> +               } else {
>> +                       sse_on_each_cpu(event, SBI_SSE_EVENT_REGISTER,
>> +                                       SBI_SSE_EVENT_DISABLE);
>> +               }
> It is necessary to check the return value; otherwise, the event might
> be passed as a valid value to subsequent logic, such as
> sse_event_enable().
> 
> 

Hi Yunhui,

Indeed, nice catch. I'll fix that.

Thanks,

Clément



More information about the linux-riscv mailing list