From: John Garry <john.garry@huawei.com>
To: Hanjun Guo <guohanjun@huawei.com>, <lorenzo.pieralisi@arm.com>,
<sudeep.holla@arm.com>, <robin.murphy@arm.com>,
<mark.rutland@arm.com>, <will@kernel.org>
Cc: <shameerali.kolothum.thodi@huawei.com>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>,
<iommu@lists.linux-foundation.org>, <rjw@rjwysocki.net>,
<lenb@kernel.org>, <nleeder@codeaurora.org>,
<linuxarm@huawei.com>
Subject: Re: [RFC PATCH 6/6] ACPI/IORT: Drop code to set the PMCG software-defined model
Date: Tue, 15 Oct 2019 09:47:12 +0100 [thread overview]
Message-ID: <4de3b360-710f-e109-93bf-30ff942d08c1@huawei.com> (raw)
In-Reply-To: <e4e8adfd-a0af-82cb-c5f6-77153474330a@huawei.com>
On 15/10/2019 04:06, Hanjun Guo wrote:
>> -/*
>> > - * PMCG model identifiers for use in smmu pmu driver. Please note
>> > - * that this is purely for the use of software and has nothing to
>> > - * do with hardware or with IORT specification.
>> > - */
>> > -#define IORT_SMMU_V3_PMCG_GENERIC 0x00000000 /* Generic SMMUv3 PMCG */
>> > -#define IORT_SMMU_V3_PMCG_HISI_HIP08 0x00000001 /* HiSilicon HIP08 PMCG */
> Since only HiSilicon platform has such erratum, and I think it works with
> both old version of firmware, I'm fine with removing this erratum framework.
>
Yeah, seems a decent change on its own, even without the SMMU PMCG
driver changes.
But we still need to check on patch "[PATCH RFC 2/6] iommu/arm-smmu-v3:
Record IIDR in arm_smmu_device structure" to progress any of this.
Will, Robin, Any opinion on that patch?
https://lore.kernel.org/linux-iommu/1569854031-237636-1-git-send-email-john.garry@huawei.com/T/#m1e24771a23ee5426ec94ca2c4ec572642c155a77
> Acked-by: Hanjun Guo <guohanjun@huawei.com>
Cheers,
John
>
> Thanks
> Hanjun
>
>
> .
>
WARNING: multiple messages have this Message-ID (diff)
From: John Garry <john.garry@huawei.com>
To: Hanjun Guo <guohanjun@huawei.com>, <lorenzo.pieralisi@arm.com>,
<sudeep.holla@arm.com>, <robin.murphy@arm.com>,
<mark.rutland@arm.com>, <will@kernel.org>
Cc: nleeder@codeaurora.org, rjw@rjwysocki.net,
linux-kernel@vger.kernel.org, linuxarm@huawei.com,
iommu@lists.linux-foundation.org,
linux-arm-kernel@lists.infradead.org, lenb@kernel.org
Subject: Re: [RFC PATCH 6/6] ACPI/IORT: Drop code to set the PMCG software-defined model
Date: Tue, 15 Oct 2019 09:47:12 +0100 [thread overview]
Message-ID: <4de3b360-710f-e109-93bf-30ff942d08c1@huawei.com> (raw)
In-Reply-To: <e4e8adfd-a0af-82cb-c5f6-77153474330a@huawei.com>
On 15/10/2019 04:06, Hanjun Guo wrote:
>> -/*
>> > - * PMCG model identifiers for use in smmu pmu driver. Please note
>> > - * that this is purely for the use of software and has nothing to
>> > - * do with hardware or with IORT specification.
>> > - */
>> > -#define IORT_SMMU_V3_PMCG_GENERIC 0x00000000 /* Generic SMMUv3 PMCG */
>> > -#define IORT_SMMU_V3_PMCG_HISI_HIP08 0x00000001 /* HiSilicon HIP08 PMCG */
> Since only HiSilicon platform has such erratum, and I think it works with
> both old version of firmware, I'm fine with removing this erratum framework.
>
Yeah, seems a decent change on its own, even without the SMMU PMCG
driver changes.
But we still need to check on patch "[PATCH RFC 2/6] iommu/arm-smmu-v3:
Record IIDR in arm_smmu_device structure" to progress any of this.
Will, Robin, Any opinion on that patch?
https://lore.kernel.org/linux-iommu/1569854031-237636-1-git-send-email-john.garry@huawei.com/T/#m1e24771a23ee5426ec94ca2c4ec572642c155a77
> Acked-by: Hanjun Guo <guohanjun@huawei.com>
Cheers,
John
>
> Thanks
> Hanjun
>
>
> .
>
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
WARNING: multiple messages have this Message-ID (diff)
From: John Garry <john.garry@huawei.com>
To: Hanjun Guo <guohanjun@huawei.com>, <lorenzo.pieralisi@arm.com>,
<sudeep.holla@arm.com>, <robin.murphy@arm.com>,
<mark.rutland@arm.com>, <will@kernel.org>
Cc: nleeder@codeaurora.org, rjw@rjwysocki.net,
linux-kernel@vger.kernel.org,
shameerali.kolothum.thodi@huawei.com, linuxarm@huawei.com,
iommu@lists.linux-foundation.org,
linux-arm-kernel@lists.infradead.org, lenb@kernel.org
Subject: Re: [RFC PATCH 6/6] ACPI/IORT: Drop code to set the PMCG software-defined model
Date: Tue, 15 Oct 2019 09:47:12 +0100 [thread overview]
Message-ID: <4de3b360-710f-e109-93bf-30ff942d08c1@huawei.com> (raw)
In-Reply-To: <e4e8adfd-a0af-82cb-c5f6-77153474330a@huawei.com>
On 15/10/2019 04:06, Hanjun Guo wrote:
>> -/*
>> > - * PMCG model identifiers for use in smmu pmu driver. Please note
>> > - * that this is purely for the use of software and has nothing to
>> > - * do with hardware or with IORT specification.
>> > - */
>> > -#define IORT_SMMU_V3_PMCG_GENERIC 0x00000000 /* Generic SMMUv3 PMCG */
>> > -#define IORT_SMMU_V3_PMCG_HISI_HIP08 0x00000001 /* HiSilicon HIP08 PMCG */
> Since only HiSilicon platform has such erratum, and I think it works with
> both old version of firmware, I'm fine with removing this erratum framework.
>
Yeah, seems a decent change on its own, even without the SMMU PMCG
driver changes.
But we still need to check on patch "[PATCH RFC 2/6] iommu/arm-smmu-v3:
Record IIDR in arm_smmu_device structure" to progress any of this.
Will, Robin, Any opinion on that patch?
https://lore.kernel.org/linux-iommu/1569854031-237636-1-git-send-email-john.garry@huawei.com/T/#m1e24771a23ee5426ec94ca2c4ec572642c155a77
> Acked-by: Hanjun Guo <guohanjun@huawei.com>
Cheers,
John
>
> Thanks
> Hanjun
>
>
> .
>
_______________________________________________
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:[~2019-10-15 8:47 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-30 14:33 [RFC PATCH 0/6] SMMUv3 PMCG IMP DEF event support John Garry
2019-09-30 14:33 ` John Garry
2019-09-30 14:33 ` John Garry
2019-09-30 14:33 ` [RFC PATCH 1/6] ACPI/IORT: Set PMCG device parent John Garry
2019-09-30 14:33 ` John Garry
2019-09-30 14:33 ` John Garry
2019-10-15 2:35 ` Hanjun Guo
2019-10-15 2:35 ` Hanjun Guo
2019-10-15 2:35 ` Hanjun Guo
2019-10-15 9:07 ` John Garry
2019-10-15 9:07 ` John Garry
2019-10-15 9:07 ` John Garry
2019-09-30 14:33 ` [RFC PATCH 2/6] iommu/arm-smmu-v3: Record IIDR in arm_smmu_device structure John Garry
2019-09-30 14:33 ` John Garry
2019-09-30 14:33 ` John Garry
2019-09-30 14:33 ` [RFC PATCH 3/6] perf/smmuv3: Retrieve parent SMMUv3 IIDR John Garry
2019-09-30 14:33 ` John Garry
2019-09-30 14:33 ` John Garry
2019-09-30 14:33 ` [RFC PATCH 4/6] perf/smmuv3: Support HiSilicon hip08 (hi1620) IMP DEF events John Garry
2019-09-30 14:33 ` John Garry
2019-09-30 14:33 ` John Garry
2019-09-30 14:33 ` [RFC PATCH 5/6] perf/smmuv3: Match implementation options based on parent SMMU IIDR John Garry
2019-09-30 14:33 ` John Garry
2019-09-30 14:33 ` John Garry
2019-09-30 14:33 ` [RFC PATCH 6/6] ACPI/IORT: Drop code to set the PMCG software-defined model John Garry
2019-09-30 14:33 ` John Garry
2019-09-30 14:33 ` John Garry
2019-10-15 3:06 ` Hanjun Guo
2019-10-15 3:06 ` Hanjun Guo
2019-10-15 3:06 ` Hanjun Guo
2019-10-15 8:47 ` John Garry [this message]
2019-10-15 8:47 ` John Garry
2019-10-15 8:47 ` John Garry
2019-10-15 18:00 ` [RFC PATCH 0/6] SMMUv3 PMCG IMP DEF event support Robin Murphy
2019-10-15 18:00 ` Robin Murphy
2019-10-15 18:00 ` Robin Murphy
2019-10-16 8:47 ` John Garry
2019-10-16 8:47 ` John Garry
2019-10-16 8:47 ` John Garry
2019-10-16 10:51 ` Robin Murphy
2019-10-16 10:51 ` Robin Murphy
2019-10-16 10:51 ` Robin Murphy
2019-10-16 12:07 ` John Garry
2019-10-16 12:07 ` John Garry
2019-10-16 12:07 ` John Garry
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4de3b360-710f-e109-93bf-30ff942d08c1@huawei.com \
--to=john.garry@huawei.com \
--cc=guohanjun@huawei.com \
--cc=iommu@lists.linux-foundation.org \
--cc=lenb@kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linuxarm@huawei.com \
--cc=lorenzo.pieralisi@arm.com \
--cc=mark.rutland@arm.com \
--cc=nleeder@codeaurora.org \
--cc=rjw@rjwysocki.net \
--cc=robin.murphy@arm.com \
--cc=shameerali.kolothum.thodi@huawei.com \
--cc=sudeep.holla@arm.com \
--cc=will@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.