search for: e8be82f1bae9

...e any buffers, and it is legal to take buffers out of the device. > --- > drivers/char/virtio_console.c | 14 +++++++++++--- > 1 file changed, 11 insertions(+), 3 deletions(-) > > diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c > index 7270e7b69262..e8be82f1bae9 100644 > --- a/drivers/char/virtio_console.c > +++ b/drivers/char/virtio_console.c > @@ -1494,15 +1494,25 @@ static void remove_port(struct kref *kref) > kfree(port); > } > > +static void remove_unused_bufs(struct virtqueue *vq) > +{ > + struct port_buffer *buf; >...

...e any buffers, and it is legal to take buffers out of the device. > --- > drivers/char/virtio_console.c | 14 +++++++++++--- > 1 file changed, 11 insertions(+), 3 deletions(-) > > diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c > index 7270e7b69262..e8be82f1bae9 100644 > --- a/drivers/char/virtio_console.c > +++ b/drivers/char/virtio_console.c > @@ -1494,15 +1494,25 @@ static void remove_port(struct kref *kref) > kfree(port); > } > > +static void remove_unused_bufs(struct virtqueue *vq) > +{ > + struct port_buffer *buf; >...

This patch series fixes the issue with unplug/replug of a port in virtio console driver which fails with an error "Error allocating inbufs\n". Patch 1 makes use of 'virtqueue_detach_unused_buf' function to detach the unused buffers during port hotunplug time. Patch 2 updates the next avail index for packed ring code. Tested the packed ring code with the qemu virtio 1.1 device

...console: free buffers after reset") Signed-off-by: Pankaj Gupta <pagupta at redhat.com> --- drivers/char/virtio_console.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index 7270e7b69262..e8be82f1bae9 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -1494,15 +1494,25 @@ static void remove_port(struct kref *kref) kfree(port); } +static void remove_unused_bufs(struct virtqueue *vq) +{ + struct port_buffer *buf; + + while ((buf = virtqueue_detach_unused_buf(vq)...

...set") Cc: stable at vger.kernel.org Signed-off-by: Pankaj Gupta <pagupta at redhat.com> --- drivers/char/virtio_console.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index 7270e7b69262..e8be82f1bae9 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -1494,15 +1494,25 @@ static void remove_port(struct kref *kref) kfree(port); } +static void remove_unused_bufs(struct virtqueue *vq) +{ + struct port_buffer *buf; + + while ((buf = virtqueue_detach_unused_buf(vq)...

...st regards, Pankaj > > > > > --- > > drivers/char/virtio_console.c | 14 +++++++++++--- > > 1 file changed, 11 insertions(+), 3 deletions(-) > > > > diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c > > index 7270e7b69262..e8be82f1bae9 100644 > > --- a/drivers/char/virtio_console.c > > +++ b/drivers/char/virtio_console.c > > @@ -1494,15 +1494,25 @@ static void remove_port(struct kref *kref) > > kfree(port); > > } > > > > +static void remove_unused_bufs(struct virtqueue *vq) &g...

This patch series fixes the issue with unplug/replug of a port in virtio console driver which fails with an error "Error allocating inbufs\n". Patch 1 updates the next avail index for packed ring code. Patch 2 makes use of 'virtqueue_detach_unused_buf' function to detach the unused buffers during port hotunplug time. Tested the packed ring code with the qemu virtio 1.1 device

This patch series fixes the issue with unplug/replug of a port in virtio console device, which fails with an error "Error allocating inbufs\n". Patch 2 makes virtio packed ring code compatible with virtio split ring. Tested the packed ring code with the qemu virtio 1.1 device code posted here [1]. Changes from v1[2] ----- Make virtio packed ring code compatible with split ring -