search for: 7859051

...logic altogether breaks > the heuristics which KVM uses, so we use a hack: only notify if there are > outgoing parts of the new buffer. > > Here are the number of exits with lguest's crappy network implementation: > Before: > network xmit 7859051 recv 236420 > After: > network xmit 7858610 recv 118136 > > Signed-off-by: Rusty Russell<rusty at rustcorp.com.au> > > diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c > index 72bf8bc09014..21d9a62767af 100644 > ---...

...logic altogether breaks > the heuristics which KVM uses, so we use a hack: only notify if there are > outgoing parts of the new buffer. > > Here are the number of exits with lguest's crappy network implementation: > Before: > network xmit 7859051 recv 236420 > After: > network xmit 7858610 recv 118136 > > Signed-off-by: Rusty Russell<rusty at rustcorp.com.au> > > diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c > index 72bf8bc09014..21d9a62767af 100644 > ---...

...the heuristics which KVM uses, so we use a hack: only notify if there are > > > outgoing parts of the new buffer. > > > Here are the number of exits with lguest's crappy network implementation: > > > Before: > > > network xmit 7859051 recv 236420 > > > After: > > > network xmit 7858610 recv 118136 > > > Signed-off-by: Rusty Russell<rusty at rustcorp.com.au> > > > > > > diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c > > >...

...the heuristics which KVM uses, so we use a hack: only notify if there are > > > outgoing parts of the new buffer. > > > Here are the number of exits with lguest's crappy network implementation: > > > Before: > > > network xmit 7859051 recv 236420 > > > After: > > > network xmit 7858610 recv 118136 > > > Signed-off-by: Rusty Russell<rusty at rustcorp.com.au> > > > > > > diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c > > >...

...t; the heuristics which KVM uses, so we use a hack: only notify if there are >>> outgoing parts of the new buffer. >>> Here are the number of exits with lguest's crappy network implementation: >>> Before: >>> network xmit 7859051 recv 236420 >>> After: >>> network xmit 7858610 recv 118136 >>> Signed-off-by: Rusty Russell<rusty at rustcorp.com.au> >>> >>> diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c >>> index 72b...

...t; the heuristics which KVM uses, so we use a hack: only notify if there are >>> outgoing parts of the new buffer. >>> Here are the number of exits with lguest's crappy network implementation: >>> Before: >>> network xmit 7859051 recv 236420 >>> After: >>> network xmit 7858610 recv 118136 >>> Signed-off-by: Rusty Russell<rusty at rustcorp.com.au> >>> >>> diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c >>> index 72b...

...e a hack: only notify if there are > > > > > outgoing parts of the new buffer. > > > > > Here are the number of exits with lguest's crappy network implementation: > > > > > Before: > > > > > network xmit 7859051 recv 236420 > > > > > After: > > > > > network xmit 7858610 recv 118136 > > > > > Signed-off-by: Rusty Russell<rusty at rustcorp.com.au> > > > > > > > > > > diff --git a/drivers/virtio/virtio...

...er breaks > > the heuristics which KVM uses, so we use a hack: only notify if there are > > outgoing parts of the new buffer. > > Here are the number of exits with lguest's crappy network implementation: > > Before: > > network xmit 7859051 recv 236420 > > After: > > network xmit 7858610 recv 118136 > > Signed-off-by: Rusty Russell<rusty at rustcorp.com.au> > > > > diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c > > index 72bf8bc09014..21d9a6276...

...er breaks > > the heuristics which KVM uses, so we use a hack: only notify if there are > > outgoing parts of the new buffer. > > Here are the number of exits with lguest's crappy network implementation: > > Before: > > network xmit 7859051 recv 236420 > > After: > > network xmit 7858610 recv 118136 > > Signed-off-by: Rusty Russell<rusty at rustcorp.com.au> > > > > diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c > > index 72bf8bc09014..21d9a6276...

...h KVM uses, so we use a hack: only notify if there are > > > > outgoing parts of the new buffer. > > > > Here are the number of exits with lguest's crappy network implementation: > > > > Before: > > > > network xmit 7859051 recv 236420 > > > > After: > > > > network xmit 7858610 recv 118136 > > > > Signed-off-by: Rusty Russell<rusty at rustcorp.com.au> > > > > > > > > diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/...

...ristics which KVM uses, so we use a hack: only notify if there are >>>> outgoing parts of the new buffer. >>>> Here are the number of exits with lguest's crappy network implementation: >>>> Before: >>>> network xmit 7859051 recv 236420 >>>> After: >>>> network xmit 7858610 recv 118136 >>>> Signed-off-by: Rusty Russell<rusty at rustcorp.com.au> >>>> >>>> diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c &g...

...his logic. Meanwhile, removing the logic altogether breaks the heuristics which KVM uses, so we use a hack: only notify if there are outgoing parts of the new buffer. Here are the number of exits with lguest's crappy network implementation: Before: network xmit 7859051 recv 236420 After: network xmit 7858610 recv 118136 Signed-off-by: Rusty Russell <rusty at rustcorp.com.au> diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 72bf8bc09014..21d9a62767af 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drive...

On Wed, Jul 11, 2018 at 10:27:09AM +0800, Tiwei Bie wrote: > This commit introduces the support (without EVENT_IDX) for > packed ring. > > Signed-off-by: Tiwei Bie <tiwei.bie at intel.com> > --- > drivers/virtio/virtio_ring.c | 495 ++++++++++++++++++++++++++++++++++- > 1 file changed, 487 insertions(+), 8 deletions(-) > > diff --git

On Wed, Jul 11, 2018 at 10:27:09AM +0800, Tiwei Bie wrote: > This commit introduces the support (without EVENT_IDX) for > packed ring. > > Signed-off-by: Tiwei Bie <tiwei.bie at intel.com> > --- > drivers/virtio/virtio_ring.c | 495 ++++++++++++++++++++++++++++++++++- > 1 file changed, 487 insertions(+), 8 deletions(-) > > diff --git