From: Christoph Hellwig <hch@lst•de>
To: Claire Chang <tientzu@chromium•org>
Cc: heikki.krogerus@linux•intel.com,
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Subject: Re: [PATCH v9 03/14] swiotlb: Set dev->dma_io_tlb_mem to the swiotlb pool used
Date: Mon, 14 Jun 2021 08:20:15 +0200 [thread overview]
Message-ID: <20210614062015.GC28343@lst.de> (raw)
In-Reply-To: <CALiNf2_nzP=qLg5Fqvn3kiaMiaR9r+QJhE3pqypW4FPrgo23DQ@mail.gmail.com>
On Fri, Jun 11, 2021 at 11:33:15PM +0800, Claire Chang wrote:
> I'm not sure if this would break arch/x86/pci/sta2x11-fixup.c
> swiotlb_late_init_with_default_size is called here
> https://elixir.bootlin.com/linux/v5.13-rc5/source/arch/x86/pci/sta2x11-fixup.c#L60
It will. It will also break all non-OF devices. I think you need to
initialize the initial pool in device_initialize, which covers all devices.
next prev parent reply other threads:[~2021-06-14 6:20 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-11 15:26 [PATCH v9 00/14] Restricted DMA Claire Chang
2021-06-11 15:26 ` [PATCH v9 01/14] swiotlb: Refactor swiotlb init functions Claire Chang
2021-06-14 6:16 ` Christoph Hellwig
2021-06-15 4:06 ` Claire Chang
2021-06-11 15:26 ` [PATCH v9 02/14] swiotlb: Refactor swiotlb_create_debugfs Claire Chang
2021-06-14 6:17 ` Christoph Hellwig
2021-06-11 15:26 ` [PATCH v9 03/14] swiotlb: Set dev->dma_io_tlb_mem to the swiotlb pool used Claire Chang
2021-06-11 15:33 ` Claire Chang
2021-06-14 6:20 ` Christoph Hellwig [this message]
2021-06-11 15:26 ` [PATCH v9 04/14] swiotlb: Add restricted DMA pool initialization Claire Chang
2021-06-14 6:21 ` Christoph Hellwig
2021-06-11 15:26 ` [PATCH v9 05/14] swiotlb: Update is_swiotlb_buffer to add a struct device argument Claire Chang
2021-06-14 6:21 ` Christoph Hellwig
2021-06-11 15:26 ` [PATCH v9 06/14] swiotlb: Update is_swiotlb_active " Claire Chang
2021-06-11 15:34 ` Claire Chang
2021-06-14 6:23 ` Christoph Hellwig
2021-06-11 15:26 ` [PATCH v9 07/14] swiotlb: Bounce data from/to restricted DMA pool if available Claire Chang
2021-06-14 6:25 ` Christoph Hellwig
2021-06-11 15:26 ` [PATCH v9 08/14] swiotlb: Move alloc_size to find_slots Claire Chang
2021-06-14 6:25 ` Christoph Hellwig
2021-06-11 15:26 ` [PATCH v9 09/14] swiotlb: Refactor swiotlb_tbl_unmap_single Claire Chang
2021-06-14 6:26 ` Christoph Hellwig
2021-06-11 15:26 ` [PATCH v9 10/14] dma-direct: Add a new wrapper __dma_direct_free_pages() Claire Chang
2021-06-11 15:26 ` [PATCH v9 11/14] swiotlb: Add restricted DMA alloc/free support Claire Chang
2021-06-14 6:28 ` Christoph Hellwig
2021-06-14 6:28 ` Christoph Hellwig
2021-06-11 15:26 ` [PATCH v9 12/14] dma-direct: Allocate memory from restricted DMA pool if available Claire Chang
2021-06-11 15:26 ` [PATCH v9 13/14] dt-bindings: of: Add restricted DMA pool Claire Chang
2021-06-11 15:26 ` [PATCH v9 14/14] of: Add plumbing for " Claire Chang
2021-06-15 13:30 ` [PATCH v9 00/14] Restricted DMA Claire Chang
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