[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PATCH] ppc/spapr: Add support for implement support for H_SCM_HEALT
From: |
Vaibhav Jain |
Subject: |
Re: [PATCH] ppc/spapr: Add support for implement support for H_SCM_HEALTH |
Date: |
Tue, 30 Mar 2021 14:08:13 +0530 |
Hi Shiva,
Thanks for reviweing this patch. My responses inline below;
Shivaprasad G Bhat <sbhat@linux.ibm.com> writes:
<snip>
>>
>> +static target_ulong h_scm_health(PowerPCCPU *cpu, SpaprMachineState *spapr,
>> + target_ulong opcode, target_ulong *args)
>> +{
>> + uint32_t drc_index = args[0];
>> + SpaprDrc *drc = spapr_drc_by_index(drc_index);
>> + NVDIMMDevice *nvdimm;
>> +
>> + if (drc && spapr_drc_type(drc) != SPAPR_DR_CONNECTOR_TYPE_PMEM) {
>> + return H_PARAMETER;
>> + }
>> +
>
>
> Please check if drc->dev is not NULL too. DRCs are created in advance
>
> and drc->dev may not be assigned if the device is not plugged yet.
>
>
Sure, will address that in v2
>> + nvdimm = NVDIMM(drc->dev);
>> +
>> + /* Check if the nvdimm is unarmed and send its status via health
>> bitmaps */
>> + args[0] = nvdimm->unarmed ? PAPR_PMEM_UNARMED_MASK : 0;
>
>
> Please use object_property_get_bool to fetch the unarmed value.
>
>
Sure I will switch to object_property_get_bool in v2. However I see
nvdimm->unarmed being accessed in similar manner in
nvdimm_build_structure_memdev() which probably needs an update too.
<snip>
--
Cheers
~ Vaibhav