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.
