linux-kernel - Re: [PATCH v3 0/2] dmaengine: idxd: IDXD pmu support

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Date:   Fri, 23 Apr 2021 23:15:51 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Tom Zanussi <tom.zanussi@...ux.intel.com>
Cc:     peterz@...radead.org, acme@...nel.org, mingo@...nel.org,
        kan.liang@...ux.intel.com, dave.jiang@...el.com,
        tony.luck@...el.com, dan.j.williams@...el.com,
        linux-kernel@...r.kernel.org, dmaengine@...r.kernel.org
Subject: Re: [PATCH v3 0/2] dmaengine: idxd: IDXD pmu support

On 21-04-21, 16:04, Tom Zanussi wrote:
> Hi,
> 
> This is v3 of the IDXD pmu support patch, which addresses the comments
> from Vinod:
> 
>  - Removed the default line for INTEL_IDXD_PERFMON making it default 'n'
> 
>  - Replaced #ifdef CONFIG_INTEL_IDXD_PERFMON with IS_ENABLED()
> 
>  - Split the patch into two separate patches, the perfmon
>    implementation and the code that uses it in the IDXD driver.
> 
>  - Added a new file,
>    Documentation/ABI/testing/sysfs-bus-event_source-devices-dsa that
>    documents the new format and cpumask attributes, and added better
>    comments for those in the code.
> 
>  - Changed 'dogrp' to 'do_group' in perfmon_collect_events()
> 
>  - Moved 'int idx' inside the loop in perfmon_validate_group() to the
>    top of function.
> 
>  - In perfmon_pmu_read_counter(), return ioread64() directly and get
>    rid of cntrdata.
> 
> I also fixed some erroneous code in perfmon_counter_overflow() that
> because of my misreading of the spec caused unintended clearing of
> wrong bits.  According to the spec you need to write 1 rather than 0
> to an OVFSTATUS bit to clear it.

Applied, thanks

This conflicted with Daves patches, I managed to resolve, pls check the
end result

-- 
~Vinod