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cleanup swiotlb initialization v4
- To: iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx
- From: Christoph Hellwig <hch@xxxxxx>
- Date: Tue, 1 Mar 2022 12:52:59 +0200
- Cc: x86@xxxxxxxxxx, Anshuman Khandual <anshuman.khandual@xxxxxxx>, Tom Lendacky <thomas.lendacky@xxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, 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: Tue, 01 Mar 2022 10:53:38 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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 v3:
- fix a compilation issue on some powerpc configfs
- fix and cleanup how forced bounce buffering is enabled for
guest memory encryption
Changes since v2:
- make ppc_swiotlb_flags actually work again
- also force enable swiotlb for guest encrypted memory to cater
to hyperv which doesn't set the host encrypted memory flag
Changes since v1:
- skip IOMMU initialization on Xen PV kernels
- various small whitespace / typo fixes
Diffstat:
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