Displaying 20 results from an estimated 85 matches for "virtballoon_valid".
2017 Jun 13
1
[PATCH] virtio_balloon: disable VIOMMU support
...tions(+)
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index 408c174..22caf80 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -663,6 +663,12 @@ static int virtballoon_restore(struct virtio_device *vdev)
}
#endif
+static int virtballoon_validate(struct virtio_device *vdev)
+{
+ __virtio_clear_bit(vdev, VIRTIO_F_IOMMU_PLATFORM);
+ return 0;
+}
+
static unsigned int features[] = {
VIRTIO_BALLOON_F_MUST_TELL_HOST,
VIRTIO_BALLOON_F_STATS_VQ,
@@ -675,6 +681,7 @@ static struct virtio_driver virtio_balloon_driver = {
.driver.name = KBUI...
2017 Jun 13
1
[PATCH] virtio_balloon: disable VIOMMU support
...tions(+)
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index 408c174..22caf80 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -663,6 +663,12 @@ static int virtballoon_restore(struct virtio_device *vdev)
}
#endif
+static int virtballoon_validate(struct virtio_device *vdev)
+{
+ __virtio_clear_bit(vdev, VIRTIO_F_IOMMU_PLATFORM);
+ return 0;
+}
+
static unsigned int features[] = {
VIRTIO_BALLOON_F_MUST_TELL_HOST,
VIRTIO_BALLOON_F_STATS_VQ,
@@ -675,6 +681,7 @@ static struct virtio_driver virtio_balloon_driver = {
.driver.name = KBUI...
2020 Jul 10
4
[PATCH] virtio_balloon: clear modern features under legacy
...ions(+)
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index 5d4b891bf84f..b9bc03345157 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -1107,6 +1107,15 @@ static int virtballoon_restore(struct virtio_device *vdev)
static int virtballoon_validate(struct virtio_device *vdev)
{
+ /*
+ * Legacy devices never specified how modern features should behave.
+ * E.g. which endian-ness to use? Better not to assume anything.
+ */
+ if (!virtio_has_feature(vdev, VIRTIO_F_VERSION_1)) {
+ __virtio_clear_bit(vdev, VIRTIO_BALLOON_F_FREE_PAGE_HINT);...
2020 Jul 10
4
[PATCH] virtio_balloon: clear modern features under legacy
...ions(+)
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index 5d4b891bf84f..b9bc03345157 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -1107,6 +1107,15 @@ static int virtballoon_restore(struct virtio_device *vdev)
static int virtballoon_validate(struct virtio_device *vdev)
{
+ /*
+ * Legacy devices never specified how modern features should behave.
+ * E.g. which endian-ness to use? Better not to assume anything.
+ */
+ if (!virtio_has_feature(vdev, VIRTIO_F_VERSION_1)) {
+ __virtio_clear_bit(vdev, VIRTIO_BALLOON_F_FREE_PAGE_HINT);...
2020 Apr 16
3
[PATCH] virtio-balloon: Disable free page hinting/reporting if page poison is disabled
...lloon.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index 95d9c2f0a7be..08bc86a6e468 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -1110,8 +1110,12 @@ static int virtballoon_validate(struct virtio_device *vdev)
/* Tell the host whether we care about poisoned pages. */
if (!want_init_on_free() &&
(IS_ENABLED(CONFIG_PAGE_POISONING_NO_SANITY) ||
- !page_poisoning_enabled()))
+ !page_poisoning_enabled())) {
__virtio_clear_bit(vdev, VIRTIO_BALLOON_F...
2020 Apr 16
3
[PATCH] virtio-balloon: Disable free page hinting/reporting if page poison is disabled
...lloon.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index 95d9c2f0a7be..08bc86a6e468 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -1110,8 +1110,12 @@ static int virtballoon_validate(struct virtio_device *vdev)
/* Tell the host whether we care about poisoned pages. */
if (!want_init_on_free() &&
(IS_ENABLED(CONFIG_PAGE_POISONING_NO_SANITY) ||
- !page_poisoning_enabled()))
+ !page_poisoning_enabled())) {
__virtio_clear_bit(vdev, VIRTIO_BALLOON_F...
2020 May 08
2
[PATCH v2 resubmit] virtio-balloon: Disable free page reporting if page poison reporting is not enabled
...ion(-)
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index 51086a5afdd4..1f157d2f4952 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -1107,11 +1107,18 @@ static int virtballoon_restore(struct virtio_device *vdev)
static int virtballoon_validate(struct virtio_device *vdev)
{
- /* Tell the host whether we care about poisoned pages. */
+ /*
+ * Inform the hypervisor that our pages are poisoned or
+ * initialized. If we cannot do that then we should disable
+ * page reporting as it could potentially change the contents
+ * of our free...
2020 May 08
2
[PATCH v2 resubmit] virtio-balloon: Disable free page reporting if page poison reporting is not enabled
...ion(-)
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index 51086a5afdd4..1f157d2f4952 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -1107,11 +1107,18 @@ static int virtballoon_restore(struct virtio_device *vdev)
static int virtballoon_validate(struct virtio_device *vdev)
{
- /* Tell the host whether we care about poisoned pages. */
+ /*
+ * Inform the hypervisor that our pages are poisoned or
+ * initialized. If we cannot do that then we should disable
+ * page reporting as it could potentially change the contents
+ * of our free...
2020 Apr 24
2
[PATCH v2] virtio-balloon: Disable free page reporting if page poison reporting is not enabled
...ion(-)
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index 51086a5afdd4..1f157d2f4952 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -1107,11 +1107,18 @@ static int virtballoon_restore(struct virtio_device *vdev)
static int virtballoon_validate(struct virtio_device *vdev)
{
- /* Tell the host whether we care about poisoned pages. */
+ /*
+ * Inform the hypervisor that our pages are poisoned or
+ * initialized. If we cannot do that then we should disable
+ * page reporting as it could potentially change the contents
+ * of our free...
2020 Apr 24
2
[PATCH v2] virtio-balloon: Disable free page reporting if page poison reporting is not enabled
...ion(-)
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index 51086a5afdd4..1f157d2f4952 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -1107,11 +1107,18 @@ static int virtballoon_restore(struct virtio_device *vdev)
static int virtballoon_validate(struct virtio_device *vdev)
{
- /* Tell the host whether we care about poisoned pages. */
+ /*
+ * Inform the hypervisor that our pages are poisoned or
+ * initialized. If we cannot do that then we should disable
+ * page reporting as it could potentially change the contents
+ * of our free...
2020 May 26
1
[PATCH v2 resubmit] virtio-balloon: Disable free page reporting if page poison reporting is not enabled
...vers/virtio/virtio_balloon.c
> > index 51086a5afdd4..1f157d2f4952 100644
> > --- a/drivers/virtio/virtio_balloon.c
> > +++ b/drivers/virtio/virtio_balloon.c
> > @@ -1107,11 +1107,18 @@ static int virtballoon_restore(struct virtio_device *vdev)
> >
> > static int virtballoon_validate(struct virtio_device *vdev)
> > {
> > - /* Tell the host whether we care about poisoned pages. */
> > + /*
> > + * Inform the hypervisor that our pages are poisoned or
> > + * initialized. If we cannot do that then we should disable
> &...
2020 Apr 27
2
[PATCH v2] virtio-balloon: Disable free page reporting if page poison reporting is not enabled
...vers/virtio/virtio_balloon.c
> > index 51086a5afdd4..1f157d2f4952 100644
> > --- a/drivers/virtio/virtio_balloon.c
> > +++ b/drivers/virtio/virtio_balloon.c
> > @@ -1107,11 +1107,18 @@ static int virtballoon_restore(struct virtio_device *vdev)
> >
> > static int virtballoon_validate(struct virtio_device *vdev)
> > {
> > - /* Tell the host whether we care about poisoned pages. */
> > + /*
> > + * Inform the hypervisor that our pages are poisoned or
> > + * initialized. If we cannot do that then we should disable
> > +...
2020 Apr 27
2
[PATCH v2] virtio-balloon: Disable free page reporting if page poison reporting is not enabled
...vers/virtio/virtio_balloon.c
> > index 51086a5afdd4..1f157d2f4952 100644
> > --- a/drivers/virtio/virtio_balloon.c
> > +++ b/drivers/virtio/virtio_balloon.c
> > @@ -1107,11 +1107,18 @@ static int virtballoon_restore(struct virtio_device *vdev)
> >
> > static int virtballoon_validate(struct virtio_device *vdev)
> > {
> > - /* Tell the host whether we care about poisoned pages. */
> > + /*
> > + * Inform the hypervisor that our pages are poisoned or
> > + * initialized. If we cannot do that then we should disable
> > +...
2020 Jul 14
2
[PATCH] virtio_balloon: clear modern features under legacy
...891bf84f..b9bc03345157 100644
> > > > --- a/drivers/virtio/virtio_balloon.c
> > > > +++ b/drivers/virtio/virtio_balloon.c
> > > > @@ -1107,6 +1107,15 @@ static int virtballoon_restore(struct virtio_device *vdev)
> > > >
> > > > static int virtballoon_validate(struct virtio_device *vdev)
> > > > {
> > > > + /*
> > > > + * Legacy devices never specified how modern features should behave.
> > > > + * E.g. which endian-ness to use? Better not to assume anything.
> > > > +...
2020 Jul 14
2
[PATCH] virtio_balloon: clear modern features under legacy
...891bf84f..b9bc03345157 100644
> > > > --- a/drivers/virtio/virtio_balloon.c
> > > > +++ b/drivers/virtio/virtio_balloon.c
> > > > @@ -1107,6 +1107,15 @@ static int virtballoon_restore(struct virtio_device *vdev)
> > > >
> > > > static int virtballoon_validate(struct virtio_device *vdev)
> > > > {
> > > > + /*
> > > > + * Legacy devices never specified how modern features should behave.
> > > > + * E.g. which endian-ness to use? Better not to assume anything.
> > > > +...
2020 Jul 12
2
[PATCH] virtio_balloon: clear modern features under legacy
...ivers/virtio/virtio_balloon.c
> > index 5d4b891bf84f..b9bc03345157 100644
> > --- a/drivers/virtio/virtio_balloon.c
> > +++ b/drivers/virtio/virtio_balloon.c
> > @@ -1107,6 +1107,15 @@ static int virtballoon_restore(struct virtio_device *vdev)
> >
> > static int virtballoon_validate(struct virtio_device *vdev)
> > {
> > + /*
> > + * Legacy devices never specified how modern features should behave.
> > + * E.g. which endian-ness to use? Better not to assume anything.
> > + */
> > + if (!virtio_has_feature(...
2020 Jul 12
2
[PATCH] virtio_balloon: clear modern features under legacy
...ivers/virtio/virtio_balloon.c
> > index 5d4b891bf84f..b9bc03345157 100644
> > --- a/drivers/virtio/virtio_balloon.c
> > +++ b/drivers/virtio/virtio_balloon.c
> > @@ -1107,6 +1107,15 @@ static int virtballoon_restore(struct virtio_device *vdev)
> >
> > static int virtballoon_validate(struct virtio_device *vdev)
> > {
> > + /*
> > + * Legacy devices never specified how modern features should behave.
> > + * E.g. which endian-ness to use? Better not to assume anything.
> > + */
> > + if (!virtio_has_feature(...
2020 Jun 24
1
[PATCH] virtio: VIRTIO_F_IOMMU_PLATFORM -> VIRTIO_F_ACCESS_PLATFORM
...IO_F_ORDER_PLATFORM) |
(1ULL << VIRTIO_RING_F_INDIRECT_DESC) |
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index 1f157d2f4952..fc7301406540 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -1120,7 +1120,7 @@ static int virtballoon_validate(struct virtio_device *vdev)
else if (!virtio_has_feature(vdev, VIRTIO_BALLOON_F_PAGE_POISON))
__virtio_clear_bit(vdev, VIRTIO_BALLOON_F_REPORTING);
- __virtio_clear_bit(vdev, VIRTIO_F_IOMMU_PLATFORM);
+ __virtio_clear_bit(vdev, VIRTIO_F_ACCESS_PLATFORM);
return 0;
}
diff --git a/driv...
2018 Feb 08
0
[PATCH v28 4/4] virtio-balloon: VIRTIO_BALLOON_F_PAGE_POISON
...on_val, poison_val, sizeof(poison_val));
+ virtio_cwrite(vb->vdev, struct virtio_balloon_config,
+ poison_val, &poison_val);
+ }
}
vb->nb.notifier_call = virtballoon_oom_notify;
@@ -846,6 +853,11 @@ static int virtballoon_restore(struct virtio_device *vdev)
static int virtballoon_validate(struct virtio_device *vdev)
{
+ uint8_t unused;
+
+ if (!page_poison_val_get(&unused))
+ __virtio_clear_bit(vdev, VIRTIO_BALLOON_F_PAGE_POISON);
+
__virtio_clear_bit(vdev, VIRTIO_F_IOMMU_PLATFORM);
return 0;
}
@@ -855,6 +867,7 @@ static unsigned int features[] = {
VIRTIO_BALLOON_F_S...
2020 Apr 16
0
[PATCH] virtio-balloon: Disable free page hinting/reporting if page poison is disabled
...changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
> index 95d9c2f0a7be..08bc86a6e468 100644
> --- a/drivers/virtio/virtio_balloon.c
> +++ b/drivers/virtio/virtio_balloon.c
> @@ -1110,8 +1110,12 @@ static int virtballoon_validate(struct virtio_device *vdev)
> /* Tell the host whether we care about poisoned pages. */
> if (!want_init_on_free() &&
> (IS_ENABLED(CONFIG_PAGE_POISONING_NO_SANITY) ||
> - !page_poisoning_enabled()))
> + !page_poisoning_enabled())) {
> __virtio_cl...