From: Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>
To: Robin Murphy <robin.murphy-5wv7dgnIgG8@public.gmane.org>
Cc: Tom Lendacky <thomas.lendacky-5C7GfCeVMHo@public.gmane.org>,
Konrad Rzeszutek Wilk
<konrad.wilk-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>,
Catalin Marinas <catalin.marinas-5wv7dgnIgG8@public.gmane.org>,
x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org>,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Muli Ben-Yehuda <mulix-BzGcCpaT2IbYtjvyW6yDsg@public.gmane.org>,
iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
David Woodhouse <dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>
Subject: Re: [PATCH 12/14] dma-direct: handle the memory encryption bit in common code
Date: Mon, 19 Mar 2018 16:24:42 +0100 [thread overview]
Message-ID: <20180319152442.GA27915@lst.de> (raw)
In-Reply-To: <dd05dd14-9969-7985-826e-f440c3fc4c08-5wv7dgnIgG8@public.gmane.org>
On Mon, Mar 19, 2018 at 03:19:04PM +0000, Robin Murphy wrote:
> As a heads-up, I've just realised there's now a silent (but build-breaking)
> conflict with the current arm64 queue brewing here, as we've unfortunately
> had to reintroduce ARCH_HAS_PHYS_TO_DMA as a means of being safe against an
> ugly architectural corner case - currently commit 1f85b42a691c ("arm64:
> Revert L1_CACHE_SHIFT back to 6 (64-byte cache line size)") in -next.
Please revert that arm64 commit. This condition should be handled
in common code as it is not arm specific. And next time please CC
the iommu list and dma-mapping maintainers before doing such a change.
next prev parent reply other threads:[~2018-03-19 15:24 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-19 10:38 use generic dma-direct and swiotlb code for x86 V3 Christoph Hellwig
[not found] ` <20180319103826.12853-1-hch-jcswGhMUV9g@public.gmane.org>
2018-03-19 10:38 ` [PATCH 01/14] x86: remove X86_PPRO_FENCE Christoph Hellwig
2018-03-19 10:38 ` [PATCH 02/14] x86: remove dma_alloc_coherent_mask Christoph Hellwig
2018-03-19 10:38 ` [PATCH 03/14] x86: use dma-direct Christoph Hellwig
2018-03-19 10:38 ` [PATCH 04/14] x86: use generic swiotlb_ops Christoph Hellwig
2018-03-19 10:38 ` [PATCH 05/14] x86/amd_gart: look at coherent_dma_mask instead of GFP_DMA Christoph Hellwig
2018-03-19 10:38 ` [PATCH 06/14] x86/amd_gart: use dma_direct_{alloc,free} Christoph Hellwig
2018-03-19 10:38 ` [PATCH 07/14] iommu/amd_iommu: " Christoph Hellwig
2018-03-19 10:38 ` [PATCH 08/14] iommu/intel-iommu: cleanup intel_{alloc,free}_coherent Christoph Hellwig
2018-03-19 10:38 ` [PATCH 09/14] x86: remove dma_alloc_coherent_gfp_flags Christoph Hellwig
2018-03-19 10:38 ` [PATCH 10/14] set_memory.h: provide set_memory_{en,de}crypted stubs Christoph Hellwig
[not found] ` <20180319103826.12853-11-hch-jcswGhMUV9g@public.gmane.org>
2018-03-19 14:21 ` Tom Lendacky
2018-03-19 10:38 ` [PATCH 11/14] swiotlb: remove swiotlb_set_mem_attributes Christoph Hellwig
[not found] ` <20180319103826.12853-12-hch-jcswGhMUV9g@public.gmane.org>
2018-03-19 14:41 ` Tom Lendacky
2018-03-19 10:38 ` [PATCH 12/14] dma-direct: handle the memory encryption bit in common code Christoph Hellwig
[not found] ` <20180319103826.12853-13-hch-jcswGhMUV9g@public.gmane.org>
2018-03-19 14:50 ` Tom Lendacky
2018-03-19 15:19 ` Robin Murphy
[not found] ` <dd05dd14-9969-7985-826e-f440c3fc4c08-5wv7dgnIgG8@public.gmane.org>
2018-03-19 15:24 ` Christoph Hellwig [this message]
[not found] ` <20180319152442.GA27915-jcswGhMUV9g@public.gmane.org>
2018-03-19 15:37 ` Robin Murphy
[not found] ` <5316b479-7e75-d62f-6b17-b6bece55187c-5wv7dgnIgG8@public.gmane.org>
2018-03-19 15:48 ` Will Deacon
[not found] ` <20180319154832.GD14916-5wv7dgnIgG8@public.gmane.org>
2018-03-19 16:03 ` Christoph Hellwig
[not found] ` <20180319160343.GA29002-jcswGhMUV9g@public.gmane.org>
2018-03-19 16:55 ` Will Deacon
2018-03-19 18:01 ` Catalin Marinas
[not found] ` <20180319180141.w5o6lhknhd6q7ktq-+1aNUgJU5qkijLcmloz0ER/iLCjYCKR+VpNB7YpNyf8@public.gmane.org>
2018-03-19 19:49 ` Christoph Hellwig
[not found] ` <20180319194930.GA3255-jcswGhMUV9g@public.gmane.org>
2018-03-20 16:23 ` Catalin Marinas
2018-03-19 10:38 ` [PATCH 13/14] dma-direct: handle force decryption for dma coherent buffers " Christoph Hellwig
[not found] ` <20180319103826.12853-14-hch-jcswGhMUV9g@public.gmane.org>
2018-03-19 14:51 ` Tom Lendacky
2018-03-19 10:38 ` [PATCH 14/14] swiotlb: remove swiotlb_{alloc,free}_coherent Christoph Hellwig
2018-03-19 14:00 ` use generic dma-direct and swiotlb code for x86 V3 Tom Lendacky
2018-03-19 14:56 ` Thomas Gleixner
2018-03-19 15:27 ` Konrad Rzeszutek Wilk
2018-03-19 15:28 ` Christoph Hellwig
[not found] ` <20180319152840.GA28041-jcswGhMUV9g@public.gmane.org>
2018-03-20 8:37 ` Ingo Molnar
[not found] ` <20180320083751.nrpt64dsmpqbhzc6-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2018-03-20 8:44 ` Christoph Hellwig
[not found] ` <20180320084412.GA16337-jcswGhMUV9g@public.gmane.org>
2018-03-20 9:03 ` Ingo Molnar
[not found] ` <20180320090351.2qnwcsauhodrqxdj-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2018-03-20 11:25 ` Konrad Rzeszutek Wilk
[not found] ` <CAPbh3rspsGE3i=WzxC4DL=EDTEbhVZVb29j-fyhAXZRwk=Xncg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-03-20 15:16 ` Christoph Hellwig
[not found] ` <20180320151600.GA23920-jcswGhMUV9g@public.gmane.org>
2018-03-21 14:32 ` Konrad Rzeszutek Wilk
-- strict thread matches above, loose matches on Subject: below --
2018-03-14 17:51 use generic dma-direct and swiotlb code for x86 V2 Christoph Hellwig
[not found] ` <20180314175213.20256-1-hch-jcswGhMUV9g@public.gmane.org>
2018-03-14 17:52 ` [PATCH 12/14] dma-direct: handle the memory encryption bit in common code Christoph Hellwig
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