Messages in this thread | | | Date | Wed, 28 Oct 2015 11:07:50 +0900 | From | Joerg Roedel <> | Subject | Re: [PATCH 1/3] virtio_net: Stop doing DMA from the stack |
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On Tue, Oct 27, 2015 at 06:17:08PM -0700, Andy Lutomirski wrote: > From: Andy Lutomirski <luto@amacapital.net> > > 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. > > Signed-off-by: Andy Lutomirski <luto@kernel.org> > --- > drivers/net/virtio_net.c | 53 ++++++++++++++++++++++++++++++++---------------- > 1 file changed, 36 insertions(+), 17 deletions(-)
Reviewed-by: Joerg Roedel <jroedel@suse.de>
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