Il 09/09/2013 20:06, Jan Kiszka ha scritto: > archive, was in the context of lock-less MMIO dispatching), and the > consensus back then was that device-to-device DMA is generally a bug > that is not worth supporting in all its beauty. But if you know a > concrete scenario / guest where it matters, that would bring in a new > aspect.
Well, one I know is 10 SCREEN 1 20 COLOR 1: CIRCLE (160, 100), 80 30 PRINT "Hello QEMU!" 40 DEF SEG=&hB800 50 BSAVE "FOO.PIC", 16000 RUN Not sure if that counts as something that matters, or even if it works right now with virtio-blk. Paolo