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From: Krishna Reddy <vdumpa@nvidia.com>
To: Will Deacon <will@kernel.org>
Cc: Jean-Philippe Brucker <jean-philippe@linaro.org>,
	Yu-Huan Hsu <YHsu@nvidia.com>,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	"catalin.marinas@arm.com" <catalin.marinas@arm.com>,
	Alistair Popple <apopple@nvidia.com>,
	Sachin Nikam <Snikam@nvidia.com>,
	"fenghua.yu@intel.com" <fenghua.yu@intel.com>,
	Pritesh Raithatha <praithatha@nvidia.com>,
	Vikram Sethi <vsethi@nvidia.com>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>,
	"iommu@lists.linux-foundation.org"
	<iommu@lists.linux-foundation.org>,
	Jason Gunthorpe <jgg@nvidia.com>,
	"zhangfei.gao@linaro.org" <zhangfei.gao@linaro.org>,
	"robin.murphy@arm.com" <robin.murphy@arm.com>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>
Subject: RE: [PATCH v10 10/13] iommu/arm-smmu-v3: Check for SVA features
Date: Wed, 9 Dec 2020 20:38:16 +0000	[thread overview]
Message-ID: <BY5PR12MB37641E84D516054387FEE330B3CC0@BY5PR12MB3764.namprd12.prod.outlook.com> (raw)
In-Reply-To: <20201209200741.GA8992@willie-the-truck>

> > The Tegra Next Generation SOC uses arm-smmu-v3, but it doesn't have support for BTM.
> > Do you have plan to get your earlier patch to handle invalidate 
> > notifications into upstream sometime soon?

>Is that a limitation of the SMMU implementation, the interconnect or the integration?

It is the limitation of interconnect. The DVM messages don't reach SMMU. 
The BTM bit in SMMU IDR does indicate that it doesn't support BTM. 

-KR
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  reply	other threads:[~2020-12-09 20:38 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-18 10:18 [PATCH v10 00/13] iommu: Shared Virtual Addressing for SMMUv3 (PT sharing part) Jean-Philippe Brucker
2020-09-18 10:18 ` [PATCH v10 01/13] mm: Define pasid in mm Jean-Philippe Brucker
2020-09-28 22:22   ` Will Deacon
2020-09-28 22:43     ` Fenghua Yu
2020-09-30  9:13       ` Jean-Philippe Brucker
2020-09-18 10:18 ` [PATCH v10 02/13] iommu/ioasid: Add ioasid references Jean-Philippe Brucker
2020-09-18 10:18 ` [PATCH v10 03/13] iommu/sva: Add PASID helpers Jean-Philippe Brucker
2020-09-18 10:18 ` [PATCH v10 04/13] arm64: mm: Pin down ASIDs for sharing mm with devices Jean-Philippe Brucker
2020-09-18 10:18 ` [PATCH v10 05/13] iommu/io-pgtable-arm: Move some definitions to a header Jean-Philippe Brucker
2020-09-18 10:18 ` [PATCH v10 06/13] arm64: cpufeature: Export symbol read_sanitised_ftr_reg() Jean-Philippe Brucker
2020-09-18 10:18 ` [PATCH v10 07/13] iommu/arm-smmu-v3: Move definitions to a header Jean-Philippe Brucker
2020-09-18 10:18 ` [PATCH v10 08/13] iommu/arm-smmu-v3: Share process page tables Jean-Philippe Brucker
2020-09-18 10:18 ` [PATCH v10 09/13] iommu/arm-smmu-v3: Seize private ASID Jean-Philippe Brucker
2020-09-18 13:07   ` Jonathan Cameron
2020-09-18 10:18 ` [PATCH v10 10/13] iommu/arm-smmu-v3: Check for SVA features Jean-Philippe Brucker
2020-09-21  8:59   ` Shameerali Kolothum Thodi
2020-09-24 10:13     ` Jean-Philippe Brucker
2020-09-24 11:13       ` Shameerali Kolothum Thodi
2020-12-09 19:49         ` Krishna Reddy
2020-12-09 20:07           ` Will Deacon
2020-12-09 20:38             ` Krishna Reddy [this message]
2020-12-14  9:32           ` Jean-Philippe Brucker
2020-12-14 23:23             ` Krishna Reddy
2020-09-18 10:18 ` [PATCH v10 11/13] iommu/arm-smmu-v3: Add SVA device feature Jean-Philippe Brucker
2020-12-15  1:09   ` Krishna Reddy
2021-01-06 10:09     ` Jean-Philippe Brucker
2021-01-06 17:23       ` Krishna Reddy
2020-09-18 10:18 ` [PATCH v10 12/13] iommu/arm-smmu-v3: Implement iommu_sva_bind/unbind() Jean-Philippe Brucker
2020-11-24 23:58   ` Jason Gunthorpe
2020-11-25  9:27     ` Jean-Philippe Brucker
2020-11-26  0:37       ` Jason Gunthorpe
2020-09-18 10:18 ` [PATCH v10 13/13] iommu/arm-smmu-v3: Hook up ATC invalidation to mm ops Jean-Philippe Brucker
2020-09-18 13:15 ` [PATCH v10 00/13] iommu: Shared Virtual Addressing for SMMUv3 (PT sharing part) Jonathan Cameron
2020-09-28 16:47 ` Jean-Philippe Brucker
2020-09-28 17:23   ` Will Deacon
2020-09-28 22:39     ` Will Deacon
2020-09-30  9:12       ` Jean-Philippe Brucker

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