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From: Robin Murphy <robin.murphy@arm.com>
To: John Garry <john.garry@huawei.com>,
	Jean-Philippe Brucker <jean-philippe@linaro.org>,
	leo.yan@linaro.org
Cc: mark.rutland@arm.com, devicetree@vger.kernel.org,
	iommu@lists.linux-foundation.org, robh+dt@kernel.org,
	uchida.jun@socionext.com, will@kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 3/3] perf/smmuv3: Synthesize IIDR from CoreSight ID registers
Date: Tue, 7 Dec 2021 12:48:13 +0000	[thread overview]
Message-ID: <d60110c4-c179-45d6-512d-3d058caac974@arm.com> (raw)
In-Reply-To: <53f868a8-c7ae-b69d-b061-bb0a7dc98f8a@huawei.com>

On 2021-12-07 12:28, John Garry via iommu wrote:
> On 07/12/2021 12:04, Robin Murphy wrote:
>>>>
>>> So is there some userspace part to go with this now?
>>
>> FWIW I've not looked into it - is it just a case of someone knocking 
>> out some JSON from the MMU-600/700 TRMs, or is there still mroe to do? 
> 
> That should just be it.
> 
>> I had the impression that *some* part of the process was stalled until 
>> implementations can start providing meaningful IIDRs, but I wasn't 
>> sure whether that was tooling or just data. I just work the low-level 
>> enablement angle :)
> 
> Tooling should be ok, but I would just like to see more of these JSONs 
> so any tooling issues can be ironed out.

Sounds good - Jean, Leo, is that something Linaro might like to pick up 
as part of the PMCG interest, or shall I make a note on my to-do list 
for the new year?

Thanks,
Robin.

> 
> Cheers,
> John
> 
> _______________________________________________
> iommu mailing list
> iommu@lists.linux-foundation.org
> https://lists.linuxfoundation.org/mailman/listinfo/iommu
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu

WARNING: multiple messages have this Message-ID (diff)
From: Robin Murphy <robin.murphy@arm.com>
To: John Garry <john.garry@huawei.com>,
	Jean-Philippe Brucker <jean-philippe@linaro.org>,
	leo.yan@linaro.org
Cc: mark.rutland@arm.com, devicetree@vger.kernel.org,
	iommu@lists.linux-foundation.org, uchida.jun@socionext.com,
	will@kernel.org, linux-arm-kernel@lists.infradead.org,
	robh+dt@kernel.org
Subject: Re: [PATCH v2 3/3] perf/smmuv3: Synthesize IIDR from CoreSight ID registers
Date: Tue, 7 Dec 2021 12:48:13 +0000	[thread overview]
Message-ID: <d60110c4-c179-45d6-512d-3d058caac974@arm.com> (raw)
In-Reply-To: <53f868a8-c7ae-b69d-b061-bb0a7dc98f8a@huawei.com>

On 2021-12-07 12:28, John Garry via iommu wrote:
> On 07/12/2021 12:04, Robin Murphy wrote:
>>>>
>>> So is there some userspace part to go with this now?
>>
>> FWIW I've not looked into it - is it just a case of someone knocking 
>> out some JSON from the MMU-600/700 TRMs, or is there still mroe to do? 
> 
> That should just be it.
> 
>> I had the impression that *some* part of the process was stalled until 
>> implementations can start providing meaningful IIDRs, but I wasn't 
>> sure whether that was tooling or just data. I just work the low-level 
>> enablement angle :)
> 
> Tooling should be ok, but I would just like to see more of these JSONs 
> so any tooling issues can be ironed out.

Sounds good - Jean, Leo, is that something Linaro might like to pick up 
as part of the PMCG interest, or shall I make a note on my to-do list 
for the new year?

Thanks,
Robin.

> 
> Cheers,
> John
> 
> _______________________________________________
> iommu mailing list
> iommu@lists.linux-foundation.org
> https://lists.linuxfoundation.org/mailman/listinfo/iommu

WARNING: multiple messages have this Message-ID (diff)
From: Robin Murphy <robin.murphy@arm.com>
To: John Garry <john.garry@huawei.com>,
	Jean-Philippe Brucker <jean-philippe@linaro.org>,
	leo.yan@linaro.org
Cc: mark.rutland@arm.com, devicetree@vger.kernel.org,
	iommu@lists.linux-foundation.org, uchida.jun@socionext.com,
	will@kernel.org, linux-arm-kernel@lists.infradead.org,
	robh+dt@kernel.org
Subject: Re: [PATCH v2 3/3] perf/smmuv3: Synthesize IIDR from CoreSight ID registers
Date: Tue, 7 Dec 2021 12:48:13 +0000	[thread overview]
Message-ID: <d60110c4-c179-45d6-512d-3d058caac974@arm.com> (raw)
In-Reply-To: <53f868a8-c7ae-b69d-b061-bb0a7dc98f8a@huawei.com>

On 2021-12-07 12:28, John Garry via iommu wrote:
> On 07/12/2021 12:04, Robin Murphy wrote:
>>>>
>>> So is there some userspace part to go with this now?
>>
>> FWIW I've not looked into it - is it just a case of someone knocking 
>> out some JSON from the MMU-600/700 TRMs, or is there still mroe to do? 
> 
> That should just be it.
> 
>> I had the impression that *some* part of the process was stalled until 
>> implementations can start providing meaningful IIDRs, but I wasn't 
>> sure whether that was tooling or just data. I just work the low-level 
>> enablement angle :)
> 
> Tooling should be ok, but I would just like to see more of these JSONs 
> so any tooling issues can be ironed out.

Sounds good - Jean, Leo, is that something Linaro might like to pick up 
as part of the PMCG interest, or shall I make a note on my to-do list 
for the new year?

Thanks,
Robin.

> 
> Cheers,
> John
> 
> _______________________________________________
> iommu mailing list
> iommu@lists.linux-foundation.org
> https://lists.linuxfoundation.org/mailman/listinfo/iommu

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2021-12-07 12:48 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-17 14:48 [PATCH v2 0/3] perf/smmuv3: Support devicetree Jean-Philippe Brucker
2021-11-17 14:48 ` Jean-Philippe Brucker
2021-11-17 14:48 ` Jean-Philippe Brucker
2021-11-17 14:48 ` [PATCH v2 1/3] dt-bindings: Add Arm SMMUv3 PMCG binding Jean-Philippe Brucker
2021-11-17 14:48   ` Jean-Philippe Brucker
2021-11-17 14:48   ` Jean-Philippe Brucker
2021-11-17 14:48 ` [PATCH v2 2/3] perf/smmuv3: Add devicetree support Jean-Philippe Brucker
2021-11-17 14:48   ` Jean-Philippe Brucker
2021-11-17 14:48   ` Jean-Philippe Brucker
2021-11-17 14:48 ` [PATCH v2 3/3] perf/smmuv3: Synthesize IIDR from CoreSight ID registers Jean-Philippe Brucker
2021-11-17 14:48   ` Jean-Philippe Brucker
2021-11-17 14:48   ` Jean-Philippe Brucker
2021-12-07  9:14   ` John Garry
2021-12-07  9:14     ` John Garry
2021-12-07  9:14     ` John Garry via iommu
2021-12-07 12:04     ` Robin Murphy
2021-12-07 12:04       ` Robin Murphy
2021-12-07 12:04       ` Robin Murphy
2021-12-07 12:28       ` John Garry
2021-12-07 12:28         ` John Garry
2021-12-07 12:28         ` John Garry via iommu
2021-12-07 12:48         ` Robin Murphy [this message]
2021-12-07 12:48           ` Robin Murphy
2021-12-07 12:48           ` Robin Murphy
2021-12-07 13:20           ` Leo Yan
2021-12-07 13:20             ` Leo Yan
2021-12-07 13:20             ` Leo Yan
2021-12-07 13:46             ` Robin Murphy
2021-12-07 13:46               ` Robin Murphy
2021-12-07 13:46               ` Robin Murphy
2021-12-07 13:59               ` Leo Yan
2021-12-07 13:59                 ` Leo Yan
2021-12-07 13:59                 ` Leo Yan
2021-12-07 14:00                 ` John Garry
2021-12-07 14:00                   ` John Garry
2021-12-07 14:00                   ` John Garry via iommu
2021-12-07 14:04                   ` Leo Yan
2021-12-07 14:04                     ` Leo Yan
2021-12-07 14:04                     ` Leo Yan
2021-12-14 14:04 ` [PATCH v2 0/3] perf/smmuv3: Support devicetree Will Deacon
2021-12-14 14:04   ` Will Deacon
2021-12-14 14:04   ` Will Deacon

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