Messages in this thread | | | Date | Tue, 27 Jun 2023 17:48:02 +0200 | From | Christoph Hellwig <> | Subject | Re: [PATCH v3 1/7] swiotlb: make io_tlb_default_mem local to swiotlb.c |
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On Tue, Jun 27, 2023 at 01:30:06PM +0200, Petr Tesařík wrote: > Xen is the only user of an "is SWIOTLB present" interface. IIUC Xen > needs bounce buffers for the PCI frontend driver, but if there is no > other reason to have a SWIOTLB, the system does not set up one at boot.
Please take a look at my "unexport swiotlb_active v2" series that unfortunately missed the 6.5 merge window waiting for reviews.
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