From: Christoph Hellwig <hch@lst.de>
To: Robin Murphy <robin.murphy@arm.com>
Cc: Christoph Hellwig <hch@lst.de>, Joerg Roedel <joro@8bytes.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
Tom Lendacky <thomas.lendacky@amd.com>,
iommu@lists.linux-foundation.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 12/21] dma-iommu: factor atomic pool allocations into helpers
Date: Mon, 29 Apr 2019 13:49:18 +0200 [thread overview]
Message-ID: <20190429114918.GB30460@lst.de> (raw)
In-Reply-To: <0a6b3f53-79e5-af83-be39-f04c9acd8384@arm.com>
On Tue, Apr 23, 2019 at 11:01:44AM +0100, Robin Murphy wrote:
> Wouldn't this suffice? Since we also use alloc_pages() in the coherent
> atomic case, the free path should already be able to deal with it.
>
> Let me take a proper look at v3 and see how it all looks in context.
Any comments on v3? I've been deferring lots of other DMA work to
not create conflicts, so I'd hate to miss this merge window.
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Robin Murphy <robin.murphy@arm.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org,
Christoph Hellwig <hch@lst.de>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 12/21] dma-iommu: factor atomic pool allocations into helpers
Date: Mon, 29 Apr 2019 13:49:18 +0200 [thread overview]
Message-ID: <20190429114918.GB30460@lst.de> (raw)
Message-ID: <20190429114918.JkeACFJiYWEXQ6ngetg9nnoLEyqGXoNIMaPrEqQioLE@z> (raw)
In-Reply-To: <0a6b3f53-79e5-af83-be39-f04c9acd8384@arm.com>
On Tue, Apr 23, 2019 at 11:01:44AM +0100, Robin Murphy wrote:
> Wouldn't this suffice? Since we also use alloc_pages() in the coherent
> atomic case, the free path should already be able to deal with it.
>
> Let me take a proper look at v3 and see how it all looks in context.
Any comments on v3? I've been deferring lots of other DMA work to
not create conflicts, so I'd hate to miss this merge window.
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next prev parent reply other threads:[~2019-04-29 11:49 UTC|newest]
Thread overview: 97+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-27 8:04 implement generic dma_map_ops for IOMMUs v2 [rebase + resend] Christoph Hellwig
2019-03-27 8:04 ` [PATCH 01/21] arm64/iommu: handle non-remapped addresses in ->mmap and ->get_sgtable Christoph Hellwig
2019-04-05 17:16 ` Robin Murphy
2019-04-05 17:16 ` Robin Murphy
2019-03-27 8:04 ` [PATCH 02/21] arm64/iommu: improve mmap bounds checking Christoph Hellwig
2019-04-05 17:30 ` Robin Murphy
2019-04-05 17:30 ` Robin Murphy
2019-04-07 6:59 ` Christoph Hellwig
2019-04-07 6:59 ` Christoph Hellwig
2019-04-09 15:12 ` Robin Murphy
2019-04-09 15:12 ` Robin Murphy
2019-04-09 17:09 ` Christoph Hellwig
2019-04-09 17:09 ` Christoph Hellwig
[not found] ` <20190327080448.5500-1-hch-jcswGhMUV9g@public.gmane.org>
2019-03-27 8:04 ` [PATCH 03/21] dma-mapping: add a Kconfig symbol to indicated arch_dma_prep_coherent presence Christoph Hellwig
2019-04-05 17:41 ` Robin Murphy
2019-04-05 17:41 ` Robin Murphy
2019-03-27 8:04 ` [PATCH 07/21] dma-iommu: move the arm64 wrappers to common code Christoph Hellwig
2019-04-09 15:07 ` Robin Murphy
2019-04-09 15:07 ` Robin Murphy
2019-04-09 17:15 ` Christoph Hellwig
2019-04-09 17:15 ` Christoph Hellwig
[not found] ` <67573dd3-72c7-692d-bc1a-7edb49ff9551-5wv7dgnIgG8@public.gmane.org>
2019-04-09 17:23 ` Christoph Hellwig
2019-04-09 17:23 ` Christoph Hellwig
2019-04-09 17:33 ` Robin Murphy
2019-04-09 17:33 ` Robin Murphy
2019-03-27 8:04 ` [PATCH 04/21] dma-iommu: cleanup dma-iommu.h Christoph Hellwig
2019-04-05 17:42 ` Robin Murphy
2019-04-05 17:42 ` Robin Murphy
2019-04-09 17:10 ` Christoph Hellwig
2019-04-09 17:10 ` Christoph Hellwig
2019-03-27 8:04 ` [PATCH 05/21] dma-iommu: remove the flush_page callback Christoph Hellwig
2019-04-05 17:46 ` Robin Murphy
2019-04-05 17:46 ` Robin Murphy
2019-03-27 8:04 ` [PATCH 06/21] dma-iommu: use for_each_sg in iommu_dma_alloc Christoph Hellwig
2019-04-05 18:08 ` Robin Murphy
2019-04-05 18:08 ` Robin Murphy
2019-03-27 8:04 ` [PATCH 08/21] dma-iommu: refactor iommu_dma_mmap Christoph Hellwig
2019-04-09 15:29 ` Robin Murphy
2019-04-09 15:29 ` Robin Murphy
[not found] ` <adf139e2-a595-fa08-e287-f358c06d7e91-5wv7dgnIgG8@public.gmane.org>
2019-04-09 17:25 ` Christoph Hellwig
2019-04-09 17:25 ` Christoph Hellwig
2019-03-27 8:04 ` [PATCH 09/21] dma-iommu: refactor iommu_dma_get_sgtable Christoph Hellwig
2019-04-09 15:49 ` Robin Murphy
2019-04-09 15:49 ` Robin Murphy
2019-04-09 17:26 ` Christoph Hellwig
2019-04-09 17:26 ` Christoph Hellwig
2019-03-27 8:04 ` [PATCH 10/21] dma-iommu: move __iommu_dma_map Christoph Hellwig
2019-04-09 15:54 ` Robin Murphy
2019-04-09 15:54 ` Robin Murphy
2019-03-27 8:04 ` [PATCH 11/21] dma-iommu: refactor page array remap helpers Christoph Hellwig
2019-04-09 16:38 ` Robin Murphy
2019-04-09 16:38 ` Robin Murphy
2019-03-27 8:04 ` [PATCH 12/21] dma-iommu: factor atomic pool allocations into helpers Christoph Hellwig
2019-04-09 17:59 ` Robin Murphy
2019-04-09 17:59 ` Robin Murphy
2019-04-10 6:11 ` Christoph Hellwig
2019-04-10 6:11 ` Christoph Hellwig
2019-04-17 6:33 ` Christoph Hellwig
2019-04-17 6:33 ` Christoph Hellwig
2019-04-17 11:54 ` Robin Murphy
2019-04-17 11:54 ` Robin Murphy
2019-04-18 15:06 ` Robin Murphy
2019-04-18 15:06 ` Robin Murphy
2019-04-18 16:35 ` Christoph Hellwig
2019-04-18 16:35 ` Christoph Hellwig
2019-04-18 16:41 ` Robin Murphy
2019-04-18 16:41 ` Robin Murphy
2019-04-19 9:07 ` Christoph Hellwig
2019-04-19 9:07 ` Christoph Hellwig
2019-04-23 9:48 ` Robin Murphy
2019-04-23 9:48 ` Robin Murphy
2019-04-18 18:15 ` Robin Murphy
2019-04-18 18:15 ` Robin Murphy
2019-04-19 8:23 ` Christoph Hellwig
2019-04-19 8:23 ` Christoph Hellwig
[not found] ` <20190419082348.GA22299-jcswGhMUV9g@public.gmane.org>
2019-04-23 10:01 ` Robin Murphy
2019-04-23 10:01 ` Robin Murphy
2019-04-23 14:52 ` Christoph Hellwig
2019-04-23 14:52 ` Christoph Hellwig
2019-04-29 11:49 ` Christoph Hellwig [this message]
2019-04-29 11:49 ` Christoph Hellwig
2019-04-29 12:02 ` Robin Murphy
2019-04-29 12:02 ` Robin Murphy
2019-04-22 18:03 ` Christoph Hellwig
2019-04-22 18:03 ` Christoph Hellwig
2019-03-27 8:04 ` [PATCH 13/21] dma-iommu: factor contiguous " Christoph Hellwig
2019-03-27 8:04 ` [PATCH 14/21] dma-iommu: refactor iommu_dma_free Christoph Hellwig
2019-03-27 8:04 ` [PATCH 15/21] dma-iommu: don't remap contiguous allocations for coherent devices Christoph Hellwig
2019-03-27 8:04 ` [PATCH 16/21] dma-iommu: factor contiguous remapped allocations into helpers Christoph Hellwig
2019-03-27 8:04 ` [PATCH 17/21] dma-iommu: refactor iommu_dma_alloc Christoph Hellwig
2019-03-27 8:04 ` [PATCH 18/21] dma-iommu: don't depend on CONFIG_DMA_DIRECT_REMAP Christoph Hellwig
2019-03-27 8:04 ` [PATCH 19/21] dma-iommu: switch copyright boilerplace to SPDX Christoph Hellwig
2019-03-27 8:04 ` [PATCH 20/21] arm64: switch copyright boilerplace to SPDX in dma-mapping.c Christoph Hellwig
2019-04-01 6:28 ` Mukesh Ojha
2019-04-01 9:39 ` Robin Murphy
2019-03-27 8:04 ` [PATCH 21/21] arm64: trim includes " Christoph Hellwig
-- strict thread matches above, loose matches on Subject: below --
2019-02-13 18:28 implement generic dma_map_ops for IOMMUs v2 Christoph Hellwig
2019-02-13 18:29 ` [PATCH 12/21] dma-iommu: factor atomic pool allocations into helpers Christoph Hellwig
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