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From: Jiri Pirko <jiri@resnulli.us>
To: "Aneesh Kumar K.V" <aneesh.kumar@kernel.org>
Cc: iommu@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
	 linux-kernel@vger.kernel.org, linux-coco@lists.linux.dev,
	Robin Murphy <robin.murphy@arm.com>,
	 Marek Szyprowski <m.szyprowski@samsung.com>,
	Will Deacon <will@kernel.org>, Marc Zyngier <maz@kernel.org>,
	 Steven Price <steven.price@arm.com>,
	Suzuki K Poulose <Suzuki.Poulose@arm.com>,
	 Catalin Marinas <catalin.marinas@arm.com>,
	Jason Gunthorpe <jgg@ziepe.ca>,
	 Mostafa Saleh <smostafa@google.com>,
	Petr Tesarik <ptesarik@suse.com>,
	 Alexey Kardashevskiy <aik@amd.com>,
	Dan Williams <dan.j.williams@intel.com>,
	 Xu Yilun <yilun.xu@linux.intel.com>,
	linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org,
	 Madhavan Srinivasan <maddy@linux.ibm.com>,
	Michael Ellerman <mpe@ellerman.id.au>,
	 Nicholas Piggin <npiggin@gmail.com>,
	"Christophe Leroy (CS GROUP)" <chleroy@kernel.org>,
	 Alexander Gordeev <agordeev@linux.ibm.com>,
	Gerald Schaefer <gerald.schaefer@linux.ibm.com>,
	 Heiko Carstens <hca@linux.ibm.com>,
	Vasily Gorbik <gor@linux.ibm.com>,
	 Christian Borntraeger <borntraeger@linux.ibm.com>,
	Sven Schnelle <svens@linux.ibm.com>,
	x86@kernel.org
Subject: Re: [PATCH v4 00/13] dma-mapping: Use DMA_ATTR_CC_SHARED through direct, pool and swiotlb paths
Date: Mon, 18 May 2026 10:34:57 +0200	[thread overview]
Message-ID: <agrPHNClrdRvzOFI@FV6GYCPJ69> (raw)
In-Reply-To: <yq5amrxxxh0h.fsf@kernel.org>

Mon, May 18, 2026 at 10:23:58AM +0200, aneesh.kumar@kernel.org wrote:
>Jiri Pirko <jiri@resnulli.us> writes:
>
>> Tue, May 12, 2026 at 11:03:55AM +0200, aneesh.kumar@kernel.org wrote:
>>>This series propagates DMA_ATTR_CC_SHARED through the dma-direct,
>>>dma-pool, and swiotlb paths so that encrypted and decrypted DMA buffers
>>>are handled consistently.
>>>
>>>Today, the direct DMA path mostly relies on force_dma_unencrypted() for
>>>shared/decrypted buffer handling. This series consolidates the
>>>force_dma_unencrypted() checks in the top-level functions and ensures
>>>that the remaining DMA interfaces use DMA attributes to make the correct
>>>decisions.
>>
>> FWIW, the patchset in general looks good to me. I tested this with my
>> system_cc_shared dmabuf flow, works flawlessly.
>>
>> Thanks!
>>
>Thanks, Can I add
>
>Tested-by: Jiri Pirko <jiri@resnulli.us>

Tested-by: Jiri Pirko <jiri@nvidia.com>

Thanks.


      reply	other threads:[~2026-05-18  8:35 UTC|newest]

Thread overview: 67+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-12  9:03 [PATCH v4 00/13] dma-mapping: Use DMA_ATTR_CC_SHARED through direct, pool and swiotlb paths Aneesh Kumar K.V (Arm)
2026-05-12  9:03 ` [PATCH v4 01/13] dma-direct: swiotlb: handle swiotlb alloc/free outside __dma_direct_alloc_pages Aneesh Kumar K.V (Arm)
2026-05-13 13:57   ` Mostafa Saleh
2026-05-14  4:54     ` Aneesh Kumar K.V
2026-05-12  9:03 ` [PATCH v4 02/13] dma-direct: use DMA_ATTR_CC_SHARED in alloc/free paths Aneesh Kumar K.V (Arm)
2026-05-13 13:58   ` Mostafa Saleh
2026-05-14  5:01     ` Aneesh Kumar K.V
2026-05-12  9:03 ` [PATCH v4 03/13] dma-pool: track decrypted atomic pools and select them via attrs Aneesh Kumar K.V (Arm)
2026-05-13 14:00   ` Mostafa Saleh
2026-05-14  7:00     ` Aneesh Kumar K.V
2026-05-14  8:06       ` Mostafa Saleh
2026-05-16 12:53   ` Alexey Kardashevskiy
2026-05-18  8:19     ` Alexey Kardashevskiy
2026-05-18  8:32       ` Aneesh Kumar K.V
2026-05-12  9:03 ` [PATCH v4 04/13] dma: swiotlb: track pool encryption state and honor DMA_ATTR_CC_SHARED Aneesh Kumar K.V (Arm)
2026-05-13 14:27   ` Mostafa Saleh
2026-05-13 17:24     ` Jason Gunthorpe
2026-05-14  6:24       ` Aneesh Kumar K.V
2026-05-14 11:48       ` Mostafa Saleh
2026-05-14 12:35         ` Jason Gunthorpe
2026-05-14 14:43           ` Mostafa Saleh
2026-05-15 22:51             ` Jason Gunthorpe
2026-05-19 11:06               ` Mostafa Saleh
2026-05-19 13:39                 ` Jason Gunthorpe
2026-05-14  5:54     ` Aneesh Kumar K.V
2026-05-14 12:02       ` Mostafa Saleh
2026-05-14 12:48         ` Aneesh Kumar K.V
2026-05-14 14:21           ` Mostafa Saleh
2026-05-14 14:43             ` Aneesh Kumar K.V
2026-05-19 11:04               ` Mostafa Saleh
2026-05-19 12:27                 ` Aneesh Kumar K.V
2026-05-19 15:07                   ` Aneesh Kumar K.V
2026-05-19 15:27                     ` Jason Gunthorpe
2026-05-19 16:05                       ` Aneesh Kumar K.V
2026-05-19 16:11                         ` Jason Gunthorpe
2026-05-20  3:57                           ` Aneesh Kumar K.V
2026-05-20 13:40                             ` Jason Gunthorpe
2026-05-19 13:29                 ` Jason Gunthorpe
2026-05-19 13:41                   ` Mostafa Saleh
2026-05-19 14:00                     ` Aneesh Kumar K.V
2026-05-19 14:04                       ` Mostafa Saleh
2026-05-19 14:17                         ` Aneesh Kumar K.V
2026-05-19 14:27                           ` Mostafa Saleh
2026-05-19 14:37                             ` Jason Gunthorpe
2026-05-19 14:35                     ` Jason Gunthorpe
2026-05-19 14:45                       ` Mostafa Saleh
2026-05-19 14:49                         ` Jason Gunthorpe
2026-05-14 14:37           ` Jason Gunthorpe
2026-05-14 15:43             ` Mostafa Saleh
2026-05-18  8:19   ` Alexey Kardashevskiy
2026-05-21 17:06   ` Mostafa Saleh
2026-05-21 17:20     ` Aneesh Kumar K.V
2026-05-12  9:04 ` [PATCH v4 05/13] dma-mapping: make dma_pgprot() " Aneesh Kumar K.V (Arm)
2026-05-12  9:04 ` [PATCH v4 06/13] dma-direct: pass attrs to dma_capable() for DMA_ATTR_CC_SHARED checks Aneesh Kumar K.V (Arm)
2026-05-12  9:04 ` [PATCH v4 07/13] dma-direct: make dma_direct_map_phys() honor DMA_ATTR_CC_SHARED Aneesh Kumar K.V (Arm)
2026-05-18 10:04   ` Christian Borntraeger
2026-05-21 15:37   ` Aneesh Kumar K.V
2026-05-12  9:04 ` [PATCH v4 08/13] dma-direct: set decrypted flag for remapped DMA allocations Aneesh Kumar K.V (Arm)
2026-05-12  9:04 ` [PATCH v4 09/13] dma-direct: select DMA address encoding from DMA_ATTR_CC_SHARED Aneesh Kumar K.V (Arm)
2026-05-12  9:04 ` [PATCH v4 10/13] dma-pool: fix page leak in atomic_pool_expand() cleanup Aneesh Kumar K.V (Arm)
2026-05-12  9:04 ` [PATCH v4 11/13] dma-direct: rename ret to cpu_addr in alloc helpers Aneesh Kumar K.V (Arm)
2026-05-12  9:04 ` [PATCH v4 12/13] dma-direct: return struct page from dma_direct_alloc_from_pool() Aneesh Kumar K.V (Arm)
2026-05-12  9:04 ` [PATCH v4 13/13] x86/amd-gart: preserve the direct DMA address until GART mapping succeeds Aneesh Kumar K.V (Arm)
2026-05-21 11:54   ` Aneesh Kumar K.V
2026-05-17  6:19 ` [PATCH v4 00/13] dma-mapping: Use DMA_ATTR_CC_SHARED through direct, pool and swiotlb paths Jiri Pirko
2026-05-18  8:23   ` Aneesh Kumar K.V
2026-05-18  8:34     ` Jiri Pirko [this message]

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