From: Leo Yan <leo.yan@linaro.org>
To: John Garry <john.garry@huawei.com>
Cc: Robin Murphy <robin.murphy@arm.com>,
Jean-Philippe Brucker <jean-philippe@linaro.org>,
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 22:04:01 +0800 [thread overview]
Message-ID: <20211207140401.GA273781@leoy-ThinkPad-X240s> (raw)
In-Reply-To: <2ece685e-84fb-cec2-522e-70680bcf9370@huawei.com>
On Tue, Dec 07, 2021 at 02:00:35PM +0000, John Garry wrote:
> On 07/12/2021 13:59, Leo Yan wrote:
> > > Whether other implementers might retroactively define "equivalent" IIDR
> > > values for their existing implementations in a way we could potentially
> > > quirk in the driver is an orthogonal question.
> > Agreed, it makes sense that supports the standard IP modules in
> > the mainline kernel at this stage.
> >
> > Thanks for explanation.
>
> Leo, if you really want this to work on D06, I could also hack some
> out-of-tree perf tool patches for you. I'm not sure if you're interested in
> that. Let me know.
No, please don't spend time on this. I just use D06 platform to
verify SMMUv3 relevant patches, but have no requirement for profiling
SMMUv3 on it. Anyway, thanks a lot!
Leo
WARNING: multiple messages have this Message-ID (diff)
From: Leo Yan <leo.yan@linaro.org>
To: John Garry <john.garry@huawei.com>
Cc: mark.rutland@arm.com,
Jean-Philippe Brucker <jean-philippe@linaro.org>,
devicetree@vger.kernel.org, will@kernel.org,
iommu@lists.linux-foundation.org, robh+dt@kernel.org,
uchida.jun@socionext.com, Robin Murphy <robin.murphy@arm.com>,
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 22:04:01 +0800 [thread overview]
Message-ID: <20211207140401.GA273781@leoy-ThinkPad-X240s> (raw)
In-Reply-To: <2ece685e-84fb-cec2-522e-70680bcf9370@huawei.com>
On Tue, Dec 07, 2021 at 02:00:35PM +0000, John Garry wrote:
> On 07/12/2021 13:59, Leo Yan wrote:
> > > Whether other implementers might retroactively define "equivalent" IIDR
> > > values for their existing implementations in a way we could potentially
> > > quirk in the driver is an orthogonal question.
> > Agreed, it makes sense that supports the standard IP modules in
> > the mainline kernel at this stage.
> >
> > Thanks for explanation.
>
> Leo, if you really want this to work on D06, I could also hack some
> out-of-tree perf tool patches for you. I'm not sure if you're interested in
> that. Let me know.
No, please don't spend time on this. I just use D06 platform to
verify SMMUv3 relevant patches, but have no requirement for profiling
SMMUv3 on it. Anyway, thanks a lot!
Leo
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
WARNING: multiple messages have this Message-ID (diff)
From: Leo Yan <leo.yan@linaro.org>
To: John Garry <john.garry@huawei.com>
Cc: Robin Murphy <robin.murphy@arm.com>,
Jean-Philippe Brucker <jean-philippe@linaro.org>,
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 22:04:01 +0800 [thread overview]
Message-ID: <20211207140401.GA273781@leoy-ThinkPad-X240s> (raw)
In-Reply-To: <2ece685e-84fb-cec2-522e-70680bcf9370@huawei.com>
On Tue, Dec 07, 2021 at 02:00:35PM +0000, John Garry wrote:
> On 07/12/2021 13:59, Leo Yan wrote:
> > > Whether other implementers might retroactively define "equivalent" IIDR
> > > values for their existing implementations in a way we could potentially
> > > quirk in the driver is an orthogonal question.
> > Agreed, it makes sense that supports the standard IP modules in
> > the mainline kernel at this stage.
> >
> > Thanks for explanation.
>
> Leo, if you really want this to work on D06, I could also hack some
> out-of-tree perf tool patches for you. I'm not sure if you're interested in
> that. Let me know.
No, please don't spend time on this. I just use D06 platform to
verify SMMUv3 relevant patches, but have no requirement for profiling
SMMUv3 on it. Anyway, thanks a lot!
Leo
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-12-07 14:04 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
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 [this message]
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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