search for: 53476d5bbe35

...th our problem. > > Even DMA and IOMMU are different things, I think they should be used > together in our case. > > What do you think? > > The patch would then be something like: > > diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c > index a977e32a88f2..53476d5bbe35 100644 > --- a/drivers/virtio/virtio.c > +++ b/drivers/virtio/virtio.c > @@ -4,6 +4,7 @@ > ?#include <linux/virtio_config.h> > ?#include <linux/module.h> > ?#include <linux/idr.h> > +#include <linux/dma-direct.h> > ?#include <uapi/linux/virtio_ids....

...th our problem. > > Even DMA and IOMMU are different things, I think they should be used > together in our case. > > What do you think? > > The patch would then be something like: > > diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c > index a977e32a88f2..53476d5bbe35 100644 > --- a/drivers/virtio/virtio.c > +++ b/drivers/virtio/virtio.c > @@ -4,6 +4,7 @@ > ?#include <linux/virtio_config.h> > ?#include <linux/module.h> > ?#include <linux/idr.h> > +#include <linux/dma-direct.h> > ?#include <uapi/linux/virtio_ids....

On 2020-06-11 05:10, Jason Wang wrote: > > On 2020/6/10 ??9:11, Pierre Morel wrote: >> Protected Virtualisation protects the memory of the guest and >> do not allow a the host to access all of its memory. >> >> Let's refuse a VIRTIO device which does not use IOMMU >> protected access. >> >> Signed-off-by: Pierre Morel <pmorel at

On 2020-06-11 05:10, Jason Wang wrote: > > On 2020/6/10 ??9:11, Pierre Morel wrote: >> Protected Virtualisation protects the memory of the guest and >> do not allow a the host to access all of its memory. >> >> Let's refuse a VIRTIO device which does not use IOMMU >> protected access. >> >> Signed-off-by: Pierre Morel <pmorel at

...OMMU are different things, I think they should be used > > together in our case. > > > > What do you think? > > > > The patch would then be something like: > > > > diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c > > index a977e32a88f2..53476d5bbe35 100644 > > --- a/drivers/virtio/virtio.c > > +++ b/drivers/virtio/virtio.c > > @@ -4,6 +4,7 @@ > > ?#include <linux/virtio_config.h> > > ?#include <linux/module.h> > > ?#include <linux/idr.h> > > +#include <linux/dma-direct.h> > &...

...V/SME in a way that seems AFAIU compatible with our problem. Even DMA and IOMMU are different things, I think they should be used together in our case. What do you think? The patch would then be something like: diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index a977e32a88f2..53476d5bbe35 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -4,6 +4,7 @@ #include <linux/virtio_config.h> #include <linux/module.h> #include <linux/idr.h> +#include <linux/dma-direct.h> #include <uapi/linux/virtio_ids.h> /* Unique numbering for vir...