* Michael S. Tsirkin wrote:
> On Thu, Sep 08, 2016 at 08:49:43AM +0200, Ingo Molnar wrote:
> >
> > * Amit Shah wrote:
> >
> > > On (Tue) 30 Aug 2016 [08:04:15], Andy Lutomirski wrote:
> > > > virtio_console uses a small DMA buffer for control requests. Move
> > > > that buffer into heap memo
On Thu, Sep 08, 2016 at 08:49:43AM +0200, Ingo Molnar wrote:
>
> * Amit Shah wrote:
>
> > On (Tue) 30 Aug 2016 [08:04:15], Andy Lutomirski wrote:
> > > virtio_console uses a small DMA buffer for control requests. Move
> > > that buffer into heap memory.
> > >
> > > Doing virtio DMA on the stac
* Amit Shah wrote:
> On (Tue) 30 Aug 2016 [08:04:15], Andy Lutomirski wrote:
> > virtio_console uses a small DMA buffer for control requests. Move
> > that buffer into heap memory.
> >
> > Doing virtio DMA on the stack is normally okay on non-DMA-API virtio
> > systems (which is currently most
On (Tue) 30 Aug 2016 [08:04:15], Andy Lutomirski wrote:
> virtio_console uses a small DMA buffer for control requests. Move
> that buffer into heap memory.
>
> Doing virtio DMA on the stack is normally okay on non-DMA-API virtio
> systems (which is currently most of them), but it breaks completel
virtio_console uses a small DMA buffer for control requests. Move
that buffer into heap memory.
Doing virtio DMA on the stack is normally okay on non-DMA-API virtio
systems (which is currently most of them), but it breaks completely
if the stack is virtually mapped.
Tested by typing both directi
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