On Fri, Oct 30, 2015 at 6:55 AM, Christian Borntraeger <borntrae...@de.ibm.com> wrote: > Am 30.10.2015 um 02:09 schrieb Andy Lutomirski: >> From: "Michael S. Tsirkin" <m...@redhat.com> >> >> Once virtio starts using the DMA API, we won't be able to safely DMA >> from the stack. virtio-net does a couple of config DMA requests >> from small stack buffers -- switch to using dynamically-allocated >> memory. >> >> This should have no effect on any performance-critical code paths. >> >> [I wrote the subject and commit message. mst wrote the code. --luto] >> >> Signed-off-by: Andy Lutomirski <l...@kernel.org> >> signed-off-by: Michael S. Tsirkin <m...@redhat.com> > > I still get an error when using multiqueue: > > # ethtool -L eth0 combined 4 > [ 33.534686] virtio_ccw 0.0.000d: DMA-API: device driver maps memory from > stack [addr=00000000629e7c06]
Fixed in my branch, I think. --Andy _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization
