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Re: cleanup swiotlb initialization v8
- To: Christoph Hellwig <hch@xxxxxx>
- From: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
- Date: Wed, 6 Apr 2022 20:31:48 -0400
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- Cc: iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx, x86@xxxxxxxxxx, Anshuman Khandual <anshuman.khandual@xxxxxxx>, Tom Lendacky <thomas.lendacky@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, Joerg Roedel <joro@xxxxxxxxxx>, David Woodhouse <dwmw2@xxxxxxxxxxxxx>, Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>, Robin Murphy <robin.murphy@xxxxxxx>, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, linux-mips@xxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, linux-riscv@xxxxxxxxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, linux-hyperv@xxxxxxxxxxxxxxx, tboot-devel@xxxxxxxxxxxxxxxxxxxxx, linux-pci@xxxxxxxxxxxxxxx
- Delivery-date: Thu, 07 Apr 2022 00:33:33 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On Mon, Apr 04, 2022 at 07:05:44AM +0200, Christoph Hellwig wrote:
> Hi all,
>
> this series tries to clean up the swiotlb initialization, including
> that of swiotlb-xen. To get there is also removes the x86 iommu table
> infrastructure that massively obsfucates the initialization path.
>
> Git tree:
>
> git://git.infradead.org/users/hch/misc.git swiotlb-init-cleanup
>
> Gitweb:
>
>
> http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/swiotlb-init-cleanup
>
> Changes since v7:
> - rebased to Linux 5.18-rc1
> - better document the lower bound swiotlb size for xen-swiotlb
> - improve the nslabs calculation for the retry case in
> swiotlb_init_remap and swiotlb_init_late
Hey Christoph,
Feel free to tack on
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
on them if you would like.
Thank you for doing the spring cleaning of this codebase!
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