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Message-ID: <76eb259e-f2ae-b41b-9501-40c9a99e2433@amd.com>
Date: Fri, 6 Oct 2023 15:49:17 -0500
From: "Moger, Babu" <bmoger@....com>
To: Reinette Chatre <reinette.chatre@...el.com>,
Babu Moger <babu.moger@....com>, corbet@....net,
tglx@...utronix.de, mingo@...hat.com, bp@...en8.de
Cc: fenghua.yu@...el.com, dave.hansen@...ux.intel.com, x86@...nel.org,
hpa@...or.com, paulmck@...nel.org, akpm@...ux-foundation.org,
quic_neeraju@...cinc.com, rdunlap@...radead.org,
damien.lemoal@...nsource.wdc.com, songmuchun@...edance.com,
peterz@...radead.org, jpoimboe@...nel.org, pbonzini@...hat.com,
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sandipan.das@....com, tony.luck@...el.com, james.morse@....com,
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Subject: Re: [PATCH v11 09/10] x86/resctrl: Add support for the files for MON
groups only
Hi Reinette,
On 10/6/2023 12:53 PM, Reinette Chatre wrote:
> Hi Babu,
>
> On 10/3/2023 4:54 PM, Babu Moger wrote:
>> Files unique to monitoring groups have the RFTYPE_MON flag. When a new
>> monitoring group is created the resctrl files with flags RFTYPE_BASE
>> (files common to all resource groups) and RFTYPE_MON (files unique to
>> monitoring groups) are created to support interacting with the new
>> monitoring group.
>>
>> A resource group can support both monitoring and control, also termed
>> a CTRL_MON resource group. CTRL_MON groups should get both monitoring
>> and control resctrl files but that is not the case. Only the
>> RFTYPE_BASE and RFTYPE_CTRL files are created for CTRL_MON groups.
>> This is not a problem because there are no monitoring specific files
>> with the RFTYPE_MON flag associated with resource groups.
>>
>> A later patch introduces the first monitoring specific (RFTYPE_MON)
>> file for resource groups. Ensure that files with the RFTYPE_MON
>> flag are created for CTRL_MON groups.
>>
>> Signed-off-by: Babu Moger <babu.moger@....com>
>> Tested-by: Peter Newman <peternewman@...gle.com>
>> Reviewed-by: Peter Newman <peternewman@...gle.com>
>> Tested-by: Tan Shaopeng <tan.shaopeng@...fujitsu.com>
>> Reviewed-by: Tan Shaopeng <tan.shaopeng@...fujitsu.com>
>> Reviewed-by: Fenghua Yu <fenghua.yu@...el.com>
>> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
>> ---
> Thank you.
>
> Reviewed-by: Reinette Chatre <reinette.chatre@...el.com>
>
> I believe this series is ready for inclusion. There is a conflict between
> this series and Maciej's non-contiguous work [1] that is also ready for
> inclusion. We could wait for outcome of next level review to determine
> who will need to rebase. It may help to provide a snippet of the conflict
> resolution in anticipation of Maciej's series being merged first (I will
> propose the same to Maciej for the scenario of this work merged first).
I had a minor comment on Maciej's patch.
https://lore.kernel.org/lkml/fd2309d5-ea56-abed-5c3e-a8a038b07d9e@amd.com/
I will respond to his patch 3 with the conflict resolution.
Thanks
Babu
>
> Reinette
>
> [1] https://lore.kernel.org/lkml/cover.1696493034.git.maciej.wieczor-retman@intel.com/
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