Displaying 20 results from an estimated 43 matches for "port_fops_pol".
Did you mean:
port_fops_poll
2013 Jul 19
2
[PATCH 06/10] virtio: console: fix race in port_fops_poll() and port unplug
...le.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
> index 7728af9..1d4b748 100644
> --- a/drivers/char/virtio_console.c
> +++ b/drivers/char/virtio_console.c
> @@ -967,6 +967,10 @@ static unsigned int port_fops_poll(struct file *filp, poll_table *wait)
> unsigned int ret;
>
> port = filp->private_data;
> + if (!port->guest_connected) {
> + /* Port was unplugged before we could proceed */
> + return POLLHUP;
> + }
> poll_wait(filp, &port->waitqueue, wait);
>...
2013 Jul 19
2
[PATCH 06/10] virtio: console: fix race in port_fops_poll() and port unplug
...le.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
> index 7728af9..1d4b748 100644
> --- a/drivers/char/virtio_console.c
> +++ b/drivers/char/virtio_console.c
> @@ -967,6 +967,10 @@ static unsigned int port_fops_poll(struct file *filp, poll_table *wait)
> unsigned int ret;
>
> port = filp->private_data;
> + if (!port->guest_connected) {
> + /* Port was unplugged before we could proceed */
> + return POLLHUP;
> + }
> poll_wait(filp, &port->waitqueue, wait);
>...
2013 Jul 19
2
[PATCH 06/10] virtio: console: fix race in port_fops_poll() and port unplug
...(+)
>>>
>>> diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
>>> index 7728af9..1d4b748 100644
>>> --- a/drivers/char/virtio_console.c
>>> +++ b/drivers/char/virtio_console.c
>>> @@ -967,6 +967,10 @@ static unsigned int port_fops_poll(struct file *filp, poll_table *wait)
>>> unsigned int ret;
>>>
>>> port = filp->private_data;
>>> + if (!port->guest_connected) {
>>> + /* Port was unplugged before we could proceed */
>>> + return POLLHUP;
>>> + }
>&g...
2013 Jul 19
2
[PATCH 06/10] virtio: console: fix race in port_fops_poll() and port unplug
...(+)
>>>
>>> diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
>>> index 7728af9..1d4b748 100644
>>> --- a/drivers/char/virtio_console.c
>>> +++ b/drivers/char/virtio_console.c
>>> @@ -967,6 +967,10 @@ static unsigned int port_fops_poll(struct file *filp, poll_table *wait)
>>> unsigned int ret;
>>>
>>> port = filp->private_data;
>>> + if (!port->guest_connected) {
>>> + /* Port was unplugged before we could proceed */
>>> + return POLLHUP;
>>> + }
>&g...
2013 Jul 18
0
[PATCH 06/10] virtio: console: fix race in port_fops_poll() and port unplug
...gt;
---
drivers/char/virtio_console.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index 7728af9..1d4b748 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -967,6 +967,10 @@ static unsigned int port_fops_poll(struct file *filp, poll_table *wait)
unsigned int ret;
port = filp->private_data;
+ if (!port->guest_connected) {
+ /* Port was unplugged before we could proceed */
+ return POLLHUP;
+ }
poll_wait(filp, &port->waitqueue, wait);
if (!port->guest_connected) {
--
1.8.1....
2013 Jul 19
0
[PATCH 06/10] virtio: console: fix race in port_fops_poll() and port unplug
...nged, 4 insertions(+)
> >
> > diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
> > index 7728af9..1d4b748 100644
> > --- a/drivers/char/virtio_console.c
> > +++ b/drivers/char/virtio_console.c
> > @@ -967,6 +967,10 @@ static unsigned int port_fops_poll(struct file *filp, poll_table *wait)
> > unsigned int ret;
> >
> > port = filp->private_data;
> > + if (!port->guest_connected) {
> > + /* Port was unplugged before we could proceed */
> > + return POLLHUP;
> > + }
> > poll_wait(filp,...
2013 Jul 19
0
[PATCH 06/10] virtio: console: fix race in port_fops_poll() and port unplug
...;>> diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
> >>> index 7728af9..1d4b748 100644
> >>> --- a/drivers/char/virtio_console.c
> >>> +++ b/drivers/char/virtio_console.c
> >>> @@ -967,6 +967,10 @@ static unsigned int port_fops_poll(struct file *filp, poll_table *wait)
> >>> unsigned int ret;
> >>>
> >>> port = filp->private_data;
> >>> + if (!port->guest_connected) {
> >>> + /* Port was unplugged before we could proceed */
> >>> + return PO...
2013 Jul 23
0
[PATCH 06/10] virtio: console: fix race in port_fops_poll() and port unplug
...rs/char/virtio_console.c b/drivers/char/virtio_console.c
>>>>>> index 7728af9..1d4b748 100644
>>>>>> --- a/drivers/char/virtio_console.c
>>>>>> +++ b/drivers/char/virtio_console.c
>>>>>> @@ -967,6 +967,10 @@ static unsigned int port_fops_poll(struct file *filp, poll_table *wait)
>>>>>> unsigned int ret;
>>>>>>
>>>>>> port = filp->private_data;
>>>>>> + if (!port->guest_connected) {
>>>>>> + /* Port was unplugged before we could procee...
2013 Jul 22
3
[PATCH 06/10] virtio: console: fix race in port_fops_poll() and port unplug
...-git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
>> >>> index 7728af9..1d4b748 100644
>> >>> --- a/drivers/char/virtio_console.c
>> >>> +++ b/drivers/char/virtio_console.c
>> >>> @@ -967,6 +967,10 @@ static unsigned int port_fops_poll(struct file *filp, poll_table *wait)
>> >>> unsigned int ret;
>> >>>
>> >>> port = filp->private_data;
>> >>> + if (!port->guest_connected) {
>> >>> + /* Port was unplugged before we could proceed */
>> &...
2013 Jul 22
3
[PATCH 06/10] virtio: console: fix race in port_fops_poll() and port unplug
...-git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
>> >>> index 7728af9..1d4b748 100644
>> >>> --- a/drivers/char/virtio_console.c
>> >>> +++ b/drivers/char/virtio_console.c
>> >>> @@ -967,6 +967,10 @@ static unsigned int port_fops_poll(struct file *filp, poll_table *wait)
>> >>> unsigned int ret;
>> >>>
>> >>> port = filp->private_data;
>> >>> + if (!port->guest_connected) {
>> >>> + /* Port was unplugged before we could proceed */
>> &...
2013 Jul 23
1
[PATCH 06/10] virtio: console: fix race in port_fops_poll() and port unplug
...onsole.c b/drivers/char/virtio_console.c
>>>>>>> index 7728af9..1d4b748 100644
>>>>>>> --- a/drivers/char/virtio_console.c
>>>>>>> +++ b/drivers/char/virtio_console.c
>>>>>>> @@ -967,6 +967,10 @@ static unsigned int port_fops_poll(struct file *filp, poll_table *wait)
>>>>>>> unsigned int ret;
>>>>>>>
>>>>>>> port = filp->private_data;
>>>>>>> + if (!port->guest_connected) {
>>>>>>> + /* Port was unplugged be...
2013 Jul 23
1
[PATCH 06/10] virtio: console: fix race in port_fops_poll() and port unplug
...onsole.c b/drivers/char/virtio_console.c
>>>>>>> index 7728af9..1d4b748 100644
>>>>>>> --- a/drivers/char/virtio_console.c
>>>>>>> +++ b/drivers/char/virtio_console.c
>>>>>>> @@ -967,6 +967,10 @@ static unsigned int port_fops_poll(struct file *filp, poll_table *wait)
>>>>>>> unsigned int ret;
>>>>>>>
>>>>>>> port = filp->private_data;
>>>>>>> + if (!port->guest_connected) {
>>>>>>> + /* Port was unplugged be...
2010 Sep 16
2
[PATCH 1/2] virtio: console: Fix poll blocking even though there is data to read
From: Hans de Goede <hdegoede at redhat.com>
I found this while working on a Linux agent for spice, the symptom I was
seeing was select blocking on the spice vdagent virtio serial port even
though there were messages queued up there.
virtio_console's port_fops_poll checks port->inbuf != NULL to determine
if read won't block. However if an application reads enough bytes from
inbuf through port_fops_read, to empty the current port->inbuf,
port->inbuf will be NULL even though there may be buffers left in the
virtqueue.
This causes poll() to block...
2010 Sep 16
2
[PATCH 1/2] virtio: console: Fix poll blocking even though there is data to read
From: Hans de Goede <hdegoede at redhat.com>
I found this while working on a Linux agent for spice, the symptom I was
seeing was select blocking on the spice vdagent virtio serial port even
though there were messages queued up there.
virtio_console's port_fops_poll checks port->inbuf != NULL to determine
if read won't block. However if an application reads enough bytes from
inbuf through port_fops_read, to empty the current port->inbuf,
port->inbuf will be NULL even though there may be buffers left in the
virtqueue.
This causes poll() to block...
2010 Sep 15
1
PATCH: virtio_console: Fix poll blocking even though there is data to read
...n the spice vdagent virtio serial port even
though there were messages queued up there.
I found this while working on a Linux agent for spice, the symptom I was
seeing was select blocking on the spice vdagent virtio serial port even
though there were messages queued up there.
virtio_console's port_fops_poll checks port->inbuf != NULL to determine if
read won't block. However if an application reads enough bytes from inbuf
through port_fops_read, to empty the current port->inbuf, port->inbuf
will be NULL even though there may be buffers left in the virtqueue.
This causes poll() to block...
2010 Sep 15
1
PATCH: virtio_console: Fix poll blocking even though there is data to read
...n the spice vdagent virtio serial port even
though there were messages queued up there.
I found this while working on a Linux agent for spice, the symptom I was
seeing was select blocking on the spice vdagent virtio serial port even
though there were messages queued up there.
virtio_console's port_fops_poll checks port->inbuf != NULL to determine if
read won't block. However if an application reads enough bytes from inbuf
through port_fops_read, to empty the current port->inbuf, port->inbuf
will be NULL even though there may be buffers left in the virtqueue.
This causes poll() to block...
2010 Sep 15
1
PATCH: virtio_console: Fix poll blocking even though there is data to read (version 2)
...n the spice vdagent virtio serial port even
though there were messages queued up there.
I found this while working on a Linux agent for spice, the symptom I was
seeing was select blocking on the spice vdagent virtio serial port even
though there were messages queued up there.
virtio_console's port_fops_poll checks port->inbuf != NULL to determine if
read won't block. However if an application reads enough bytes from inbuf
through port_fops_read, to empty the current port->inbuf, port->inbuf
will be NULL even though there may be buffers left in the virtqueue.
This causes poll() to block...
2010 Sep 15
1
PATCH: virtio_console: Fix poll blocking even though there is data to read (version 2)
...n the spice vdagent virtio serial port even
though there were messages queued up there.
I found this while working on a Linux agent for spice, the symptom I was
seeing was select blocking on the spice vdagent virtio serial port even
though there were messages queued up there.
virtio_console's port_fops_poll checks port->inbuf != NULL to determine if
read won't block. However if an application reads enough bytes from inbuf
through port_fops_read, to empty the current port->inbuf, port->inbuf
will be NULL even though there may be buffers left in the virtqueue.
This causes poll() to block...
2014 Nov 13
1
[PATCH 52/56] drivers/char/virtio: support compiling out splice
...ct scatterlist *sg;
};
+#ifdef CONFIG_SYSCALL_SPLICE
static int pipe_to_sg(struct pipe_inode_info *pipe, struct pipe_buffer *buf,
struct splice_desc *sd)
{
@@ -976,6 +977,7 @@ error_out:
pipe_unlock(pipe);
return ret;
}
+#endif /* #ifdef CONFIG_SYSCALL_SPLICE */
static unsigned int port_fops_poll(struct file *filp, poll_table *wait)
{
@@ -1109,7 +1111,7 @@ static const struct file_operations port_fops = {
.open = port_fops_open,
.read = port_fops_read,
.write = port_fops_write,
- .splice_write = port_fops_splice_write,
+ SPLICE_WRITE_INIT(port_fops_splice_write)
.poll = port_fo...
2014 Nov 13
1
[PATCH 52/56] drivers/char/virtio: support compiling out splice
...ct scatterlist *sg;
};
+#ifdef CONFIG_SYSCALL_SPLICE
static int pipe_to_sg(struct pipe_inode_info *pipe, struct pipe_buffer *buf,
struct splice_desc *sd)
{
@@ -976,6 +977,7 @@ error_out:
pipe_unlock(pipe);
return ret;
}
+#endif /* #ifdef CONFIG_SYSCALL_SPLICE */
static unsigned int port_fops_poll(struct file *filp, poll_table *wait)
{
@@ -1109,7 +1111,7 @@ static const struct file_operations port_fops = {
.open = port_fops_open,
.read = port_fops_read,
.write = port_fops_write,
- .splice_write = port_fops_splice_write,
+ SPLICE_WRITE_INIT(port_fops_splice_write)
.poll = port_fo...