From: Jason Gunthorpe <jgg@ziepe•ca>
To: Michael Kelley <mhklinux@outlook•com>
Cc: "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel•org>,
"iommu@lists•linux.dev" <iommu@lists•linux.dev>,
"linux-arm-kernel@lists•infradead.org"
<linux-arm-kernel@lists•infradead.org>,
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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>,
Jiri Pirko <jiri@resnulli•us>,
Mostafa Saleh <smostafa@google•com>,
Petr Tesarik <ptesarik@suse•com>,
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Dan Williams <dan.j.williams@intel•com>,
Xu Yilun <yilun.xu@linux•intel.com>,
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Madhavan Srinivasan <maddy@linux•ibm.com>,
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Nicholas Piggin <npiggin@gmail•com>,
"Christophe Leroy (CS GROUP)" <chleroy@kernel•org>,
Alexander Gordeev <agordeev@linux•ibm.com>,
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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" <x86@kernel•org>, Jiri Pirko <jiri@nvidia•com>
Subject: Re: [PATCH v5 10/20] dma-direct: make dma_direct_map_phys() honor DMA_ATTR_CC_SHARED
Date: Tue, 26 May 2026 12:39:48 -0300 [thread overview]
Message-ID: <20260526153948.GH2487554@ziepe.ca> (raw)
In-Reply-To: <SN6PR02MB41574064D14D4A2734222C51D40B2@SN6PR02MB4157.namprd02.prod.outlook.com>
On Tue, May 26, 2026 at 02:56:57AM +0000, Michael Kelley wrote:
> With this patch removing SWIOTLB_FORCE from four places in
> kernel code, there are no remaining places where it is set.
> The test of SWIOTLB_FORCE could be removed from
> swiotlb_init_remap(), and its definition could be deleted
> from include/linux/swiotlb.h.
That's great! I think it shows this is the right approach!
Jason
next prev parent reply other threads:[~2026-05-26 15:40 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-22 4:27 [PATCH v5 00/20] dma-mapping: Use DMA_ATTR_CC_SHARED through direct, pool and swiotlb paths Aneesh Kumar K.V (Arm)
2026-05-22 4:27 ` [PATCH v5 01/20] [DO NOT MERGE] arm64/coco: Add pKVM as a CC platform Aneesh Kumar K.V (Arm)
2026-05-22 4:27 ` [PATCH v5 02/20] [DO NOT MERGE] s390: Expose protected virtualization through cc_platform_has() Aneesh Kumar K.V (Arm)
2026-05-22 15:35 ` JAEHOON KIM
2026-05-22 4:27 ` [PATCH v5 03/20] dma-direct: swiotlb: handle swiotlb alloc/free outside __dma_direct_alloc_pages Aneesh Kumar K.V (Arm)
2026-05-22 4:27 ` [PATCH v5 04/20] dma-direct: use DMA_ATTR_CC_SHARED in alloc/free paths Aneesh Kumar K.V (Arm)
2026-05-22 4:28 ` [PATCH v5 05/20] dma-pool: track decrypted atomic pools and select them via attrs Aneesh Kumar K.V (Arm)
2026-05-28 18:29 ` Michael Kelley
2026-06-02 6:05 ` Aneesh Kumar K.V
2026-06-02 14:24 ` Michael Kelley
2026-06-03 0:54 ` Jason Gunthorpe
2026-06-04 14:05 ` Michael Kelley
2026-06-04 14:30 ` Jason Gunthorpe
2026-06-04 14:57 ` Aneesh Kumar K.V
2026-06-04 16:18 ` Michael Kelley
2026-06-04 18:24 ` Jason Gunthorpe
2026-05-22 4:28 ` [PATCH v5 06/20] dma: swiotlb: pass mapping attributes by reference Aneesh Kumar K.V (Arm)
2026-05-22 4:28 ` [PATCH v5 07/20] dma: swiotlb: track pool encryption state and honor DMA_ATTR_CC_SHARED Aneesh Kumar K.V (Arm)
2026-05-22 4:28 ` [PATCH v5 08/20] dma-mapping: make dma_pgprot() " Aneesh Kumar K.V (Arm)
2026-05-22 4:28 ` [PATCH v5 09/20] dma-direct: pass attrs to dma_capable() for DMA_ATTR_CC_SHARED checks Aneesh Kumar K.V (Arm)
2026-05-22 4:28 ` [PATCH v5 10/20] dma-direct: make dma_direct_map_phys() honor DMA_ATTR_CC_SHARED Aneesh Kumar K.V (Arm)
2026-05-26 2:56 ` Michael Kelley
2026-05-26 15:39 ` Jason Gunthorpe [this message]
2026-06-02 6:10 ` Aneesh Kumar K.V
2026-05-22 4:28 ` [PATCH v5 11/20] dma-direct: set decrypted flag for remapped DMA allocations Aneesh Kumar K.V (Arm)
2026-05-22 4:28 ` [PATCH v5 12/20] dma-direct: select DMA address encoding from DMA_ATTR_CC_SHARED Aneesh Kumar K.V (Arm)
2026-05-22 4:28 ` [PATCH v5 13/20] dma-pool: fix page leak in atomic_pool_expand() cleanup Aneesh Kumar K.V (Arm)
2026-05-22 4:28 ` [PATCH v5 14/20] dma-direct: rename ret to cpu_addr in alloc helpers Aneesh Kumar K.V (Arm)
2026-05-22 4:28 ` [PATCH v5 15/20] dma-direct: return struct page from dma_direct_alloc_from_pool() Aneesh Kumar K.V (Arm)
2026-05-22 4:28 ` [PATCH v5 16/20] iommu/dma: Check atomic pool allocation result directly Aneesh Kumar K.V (Arm)
2026-05-22 4:28 ` [PATCH v5 17/20] dma: swiotlb: free dynamic pools from process context Aneesh Kumar K.V (Arm)
2026-05-22 4:28 ` [PATCH v5 18/20] dma: swiotlb: handle set_memory_decrypted() failures Aneesh Kumar K.V (Arm)
2026-05-22 4:28 ` [PATCH v5 19/20] dma: free atomic pool pages by physical address Aneesh Kumar K.V (Arm)
2026-05-22 4:28 ` [PATCH v5 20/20] swiotlb: Preserve allocation virtual address for dynamic pools Aneesh Kumar K.V (Arm)
2026-05-26 4:30 ` [PATCH v5 00/20] dma-mapping: Use DMA_ATTR_CC_SHARED through direct, pool and swiotlb paths Michael Kelley
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