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...mizations are now possible, e.g. >>> we can fetch multiple heads with copy_from/to_user now. >>> We can get rid of maintaining the log array. Etc etc. >>> >>> Signed-off-by: Michael S. Tsirkin<mst at redhat.com> >>> Signed-off-by: Eugenio P?rez<eperezma at redhat.com> >>> Link:https://lore.kernel.org/r/20200401183118.8334-4-eperezma at redhat.com >>> Signed-off-by: Michael S. Tsirkin<mst at redhat.com> >>> --- >>> drivers/vhost/test.c | 2 +- >>> drivers/vhost/vhost.c | 47 ++++++++++++++...

...mizations are now possible, e.g. >>> we can fetch multiple heads with copy_from/to_user now. >>> We can get rid of maintaining the log array. Etc etc. >>> >>> Signed-off-by: Michael S. Tsirkin<mst at redhat.com> >>> Signed-off-by: Eugenio P?rez<eperezma at redhat.com> >>> Link:https://lore.kernel.org/r/20200401183118.8334-4-eperezma at redhat.com >>> Signed-off-by: Michael S. Tsirkin<mst at redhat.com> >>> --- >>> drivers/vhost/test.c | 2 +- >>> drivers/vhost/vhost.c | 47 ++++++++++++++...

...based on Eugenio's fix for handling CVQs in a different ASID [0]. The first patch is the actual fix. The next 2 patches are fixing a possible issue that I found while implementing patch 1. The patches are ordered like this for clarity. [0] https://lore.kernel.org/lkml/20230112142218.725622-1-eperezma at redhat.com/ Dragos Tatulea (1): vdpa/mlx5: Fix mr->initialized semantics Eugenio P?rez (1): vdpa/mlx5: Delete control vq iotlb in destroy_mr only when necessary drivers/vdpa/mlx5/core/mlx5_vdpa.h | 2 + drivers/vdpa/mlx5/core/mr.c | 97 +++++++++++++++++++++--------- drivers/v...

...based on Eugenio's fix for handling CVQs in a different ASID [0]. The first patch is the actual fix. The next 2 patches are fixing a possible issue that I found while implementing patch 1. The patches are ordered like this for clarity. [0] https://lore.kernel.org/lkml/20230112142218.725622-1-eperezma at redhat.com/ Dragos Tatulea (1): vdpa/mlx5: Fix mr->initialized semantics Eugenio P?rez (1): vdpa/mlx5: Delete control vq iotlb in destroy_mr only when necessary drivers/vdpa/mlx5/core/mlx5_vdpa.h | 2 + drivers/vdpa/mlx5/core/mr.c | 97 +++++++++++++++++++++--------- drivers/v...

...9, 2020 at 08:22:53PM +0200, Eugenio P??rez wrote: > From: "Michael S. Tsirkin" <mst at redhat.com> > > As testing shows no performance change, switch to that now. > > Signed-off-by: Michael S. Tsirkin <mst at redhat.com> > Signed-off-by: Eugenio P??rez <eperezma at redhat.com> > Link: https://lore.kernel.org/r/20200401183118.8334-3-eperezma at redhat.com > Signed-off-by: Michael S. Tsirkin <mst at redhat.com> > Signed-off-by: Eugenio P??rez <eperezma at redhat.com> > --- > drivers/vhost/test.c | 2 +- > drivers/vhost/vh...

...;>>> we can fetch multiple heads with copy_from/to_user now. >>>>> We can get rid of maintaining the log array. Etc etc. >>>>> >>>>> Signed-off-by: Michael S. Tsirkin<mst at redhat.com> >>>>> Signed-off-by: Eugenio P?rez<eperezma at redhat.com> >>>>> Link:https://lore.kernel.org/r/20200401183118.8334-4-eperezma at redhat.com >>>>> Signed-off-by: Michael S. Tsirkin<mst at redhat.com> >>>>> --- >>>>> drivers/vhost/test.c | 2 +- >>>>>...

...ntically. > > Lots of extra optimizations are now possible, e.g. > we can fetch multiple heads with copy_from/to_user now. > We can get rid of maintaining the log array. Etc etc. > > Signed-off-by: Michael S. Tsirkin <mst at redhat.com> > Signed-off-by: Eugenio P?rez <eperezma at redhat.com> > Link: https://lore.kernel.org/r/20200401183118.8334-4-eperezma at redhat.com > Signed-off-by: Michael S. Tsirkin <mst at redhat.com> > --- > drivers/vhost/test.c | 2 +- > drivers/vhost/vhost.c | 47 ++++++++++++++++++++++++++++++++++++++----- > dri...

...ntically. > > Lots of extra optimizations are now possible, e.g. > we can fetch multiple heads with copy_from/to_user now. > We can get rid of maintaining the log array. Etc etc. > > Signed-off-by: Michael S. Tsirkin <mst at redhat.com> > Signed-off-by: Eugenio P?rez <eperezma at redhat.com> > Link: https://lore.kernel.org/r/20200401183118.8334-4-eperezma at redhat.com > Signed-off-by: Michael S. Tsirkin <mst at redhat.com> > --- > drivers/vhost/test.c | 2 +- > drivers/vhost/vhost.c | 47 ++++++++++++++++++++++++++++++++++++++----- > dri...

...4:29:29PM +0200, Eugenio P??rez wrote: > On Wed, 2020-06-10 at 07:36 -0400, Michael S. Tsirkin wrote: > > As testing shows no performance change, switch to that now. > > > > Signed-off-by: Michael S. Tsirkin <mst at redhat.com> > > Signed-off-by: Eugenio P??rez <eperezma at redhat.com> > > Link: https://lore.kernel.org/r/20200401183118.8334-3-eperezma at redhat.com > > Signed-off-by: Michael S. Tsirkin <mst at redhat.com> > > --- > > drivers/vhost/test.c | 2 +- > > drivers/vhost/vhost.c | 318 ++++++++---------------------...

On Thu, Feb 06, 2020 at 03:22:39PM +0100, eperezma at redhat.com wrote: > Hi Christian. > > Could you try this patch on top of ("38ced0208491 vhost: use batched version by default")? > > It will not solve your first random crash but it should help with the lost of network connectivity. > > Please let me know how do...

On Thu, Feb 06, 2020 at 04:12:21PM +0100, Christian Borntraeger wrote: > > > On 06.02.20 15:22, eperezma at redhat.com wrote: > > Hi Christian. > > > > Could you try this patch on top of ("38ced0208491 vhost: use batched version by default")? > > > > It will not solve your first random crash but it should help with the lost of network connectivity. > >...

On Thu, Feb 06, 2020 at 04:12:21PM +0100, Christian Borntraeger wrote: > > > On 06.02.20 15:22, eperezma at redhat.com wrote: > > Hi Christian. > > > > Could you try this patch on top of ("38ced0208491 vhost: use batched version by default")? > > > > It will not solve your first random crash but it should help with the lost of network connectivity. > >...

On 07.01.20 10:39, Michael S. Tsirkin wrote: > On Tue, Jan 07, 2020 at 09:59:16AM +0100, Christian Borntraeger wrote: >> >> >> On 06.01.20 11:50, Michael S. Tsirkin wrote: >>> On Wed, Dec 18, 2019 at 04:59:02PM +0100, Christian Borntraeger wrote: >>>> On 18.12.19 16:10, Michael S. Tsirkin wrote: >>>>> On Wed, Dec 18, 2019 at 03:43:43PM

On 07.01.20 10:39, Michael S. Tsirkin wrote: > On Tue, Jan 07, 2020 at 09:59:16AM +0100, Christian Borntraeger wrote: >> >> >> On 06.01.20 11:50, Michael S. Tsirkin wrote: >>> On Wed, Dec 18, 2019 at 04:59:02PM +0100, Christian Borntraeger wrote: >>>> On 18.12.19 16:10, Michael S. Tsirkin wrote: >>>>> On Wed, Dec 18, 2019 at 03:43:43PM

From: Eugenio P?rez <eperezma at redhat.com> [ Upstream commit 42d84c8490f9f0931786f1623191fcab397c3d64 ] Doing so, we save one call to get data we already have in the struct. Also, since there is no guarantee that getname use sockaddr_ll parameter beyond its size, we add a little bit of security here. It should do not do...

From: Eugenio P?rez <eperezma at redhat.com> [ Upstream commit 42d84c8490f9f0931786f1623191fcab397c3d64 ] Doing so, we save one call to get data we already have in the struct. Also, since there is no guarantee that getname use sockaddr_ll parameter beyond its size, we add a little bit of security here. It should do not do...

From: Eugenio P?rez <eperezma at redhat.com> [ Upstream commit 42d84c8490f9f0931786f1623191fcab397c3d64 ] Doing so, we save one call to get data we already have in the struct. Also, since there is no guarantee that getname use sockaddr_ll parameter beyond its size, we add a little bit of security here. It should do not do...

...; > > > we can fetch multiple heads with copy_from/to_user now. > > > > We can get rid of maintaining the log array. Etc etc. > > > > > > > > Signed-off-by: Michael S. Tsirkin<mst at redhat.com> > > > > Signed-off-by: Eugenio P?rez<eperezma at redhat.com> > > > > Link:https://lore.kernel.org/r/20200401183118.8334-4-eperezma at redhat.com > > > > Signed-off-by: Michael S. Tsirkin<mst at redhat.com> > > > > --- > > > > drivers/vhost/test.c | 2 +- > > > > driver...

? 2023/1/19 17:14, Eugenio Perez Martin ??: > On Thu, Jan 19, 2023 at 4:16 AM Jason Wang <jasowang at redhat.com> wrote: >> On Thu, Jan 19, 2023 at 12:44 AM Eugenio P?rez <eperezma at redhat.com> wrote: >>> vdpasim_queue_ready calls vringh_init_iotlb, which resets split indexes. >>> But it can be called after setting a ring base with >>> vdpasim_set_vq_state. >>> >>> Fix it by stashing them. They're still resetted in vdpasim...

...Jul 03, 2023 at 04:25:14PM +0200, Eugenio P?rez wrote: >> Offer this backend feature as mlx5 is compatible with it. It allows it >> to do live migration with CVQ, dynamically switching between passthrough >> and shadow virtqueue. >> >> Signed-off-by: Eugenio P?rez <eperezma at redhat.com> > Same comment. to which? -Siwei > >> --- >> drivers/vdpa/mlx5/net/mlx5_vnet.c | 7 +++++++ >> 1 file changed, 7 insertions(+) >> >> diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c >> index 9138ef2fb...