linux-kernel - Re: [PATCH v3 44/47] arm_mpam: Add workaround for T241-MPAM-1

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Message-ID: <bb2d36a3-1c0d-40ab-aa44-e94089ca141a@arm.com>
Date: Mon, 19 Jan 2026 20:54:19 +0000
From: Ben Horgan <ben.horgan@....com>
To: Gavin Shan <gshan@...hat.com>
Cc: amitsinght@...vell.com, baisheng.gao@...soc.com,
 baolin.wang@...ux.alibaba.com, carl@...amperecomputing.com,
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Subject: Re: [PATCH v3 44/47] arm_mpam: Add workaround for T241-MPAM-1

Hi Gavin,

On 1/19/26 12:16, Gavin Shan wrote:
> On 1/13/26 12:59 AM, Ben Horgan wrote:

>>   +#define MPAM_IIDR_NVIDIA_T241   
>> FIELD_PREP_CONST(MPAMF_IIDR_PRODUCTID,   0x241)    | \
>> +                FIELD_PREP_CONST(MPAMF_IIDR_VARIANT,     0)    | \
>> +                FIELD_PREP_CONST(MPAMF_IIDR_REVISION,    0)    | \
>> +                FIELD_PREP_CONST(MPAMF_IIDR_IMPLEMENTER, 0x36b)
>> +
> 
> An error reported by checkpatch.pl as below.
> 
> ERROR: Macros with complex values should be enclosed in parentheses
> #205: FILE: drivers/resctrl/mpam_internal.h:247:
> +#define MPAM_IIDR_NVIDIA_T241   
> FIELD_PREP_CONST(MPAMF_IIDR_PRODUCTID,   0x241)    | \
> +                FIELD_PREP_CONST(MPAMF_IIDR_VARIANT,     0)    | \
> +                FIELD_PREP_CONST(MPAMF_IIDR_REVISION,    0)    | \
> +                FIELD_PREP_CONST(MPAMF_IIDR_IMPLEMENTER, 0x36b)

Fixed
> 
> 
>>   /* The values for MSMON_CFG_MBWU_FLT.RWBW */
>>   enum mon_filter_options {
>>       COUNT_BOTH    = 0,
> 
> Thanks,
> Gavin
> 

Thanks,

Ben