search for: __virtio_clear_bit

Displaying 20 results from an estimated 250 matches for "__virtio_clear_bit".

[PATCH] virtio-balloon: Disable free page hinting/reporting if page poison is disabled
2020 Apr 16
3
[PATCH] virtio-balloon: Disable free page hinting/reporting if page poison is disabled
...+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_PAGE_POISON); + } else if (!virtio_has_feature(vdev, VIRTIO_BALLOON_F_PAGE_POISON)) { + __virtio_clear_bit(vdev, VIRTIO_BALLOON_F_FREE_PAGE_HINT); + __virtio_clear_bit(vdev, VIRTIO_BALLOON_F_REPORTING); + } __virtio_clear_bit(vdev, VIRTIO_F_IOMMU_PLATFORM); return 0;
[PATCH] virtio-balloon: Disable free page hinting/reporting if page poison is disabled
2020 Apr 16
3
[PATCH] virtio-balloon: Disable free page hinting/reporting if page poison is disabled
...+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_PAGE_POISON); + } else if (!virtio_has_feature(vdev, VIRTIO_BALLOON_F_PAGE_POISON)) { + __virtio_clear_bit(vdev, VIRTIO_BALLOON_F_FREE_PAGE_HINT); + __virtio_clear_bit(vdev, VIRTIO_BALLOON_F_REPORTING); + } __virtio_clear_bit(vdev, VIRTIO_F_IOMMU_PLATFORM); return 0;
[PATCH] virtio_balloon: clear modern features under legacy
2020 Jul 10
4
[PATCH] virtio_balloon: clear modern features under legacy
...truct 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); + __virtio_clear_bit(vdev, VIRTIO_BALLOON_F_PAGE_POISON); + __virtio_clear_bit(vdev, VIRTIO_BALLOON_F_REPORTING); + } /* * Inform the hypervisor that our pages are poisoned or * initialized. If we cannot do that then we should disable -- MST
[PATCH] virtio_balloon: clear modern features under legacy
2020 Jul 10
4
[PATCH] virtio_balloon: clear modern features under legacy
...truct 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); + __virtio_clear_bit(vdev, VIRTIO_BALLOON_F_PAGE_POISON); + __virtio_clear_bit(vdev, VIRTIO_BALLOON_F_REPORTING); + } /* * Inform the hypervisor that our pages are poisoned or * initialized. If we cannot do that then we should disable -- MST
[PATCH kernel v4 7/7] virtio-balloon: tell host vm's unused page info
2016 Nov 02
0
[PATCH kernel v4 7/7] virtio-balloon: tell host vm's unused page info
...ev, VIRTIO_BALLOON_F_STATS_VQ) ? 3 : 2; + if (virtio_has_feature(vb->vdev, VIRTIO_BALLOON_F_HOST_REQ_VQ)) + nvqs = 4; + else if (virtio_has_feature(vb->vdev, VIRTIO_BALLOON_F_STATS_VQ)) + nvqs = 3; + else + nvqs = 2; + + if (!virtio_has_feature(vb->vdev, VIRTIO_BALLOON_F_STATS_VQ)) { + __virtio_clear_bit(vb->vdev, VIRTIO_BALLOON_F_PAGE_BITMAP); + __virtio_clear_bit(vb->vdev, VIRTIO_BALLOON_F_HOST_REQ_VQ); + } + err = vb->vdev->config->find_vqs(vb->vdev, nvqs, vqs, callbacks, names); if (err) return err; @@ -718,6 +815,18 @@ static int init_vqs(struct virtio_balloon *vb)...
[PATCH v2 resubmit] virtio-balloon: Disable free page reporting if page poison reporting is not enabled
2020 May 08
2
[PATCH v2 resubmit] virtio-balloon: Disable free page reporting if page poison reporting is not enabled
...e poisoned or + * initialized. If we cannot do that then we should disable + * page reporting as it could potentially change the contents + * of our free pages. + */ if (!want_init_on_free() && (IS_ENABLED(CONFIG_PAGE_POISONING_NO_SANITY) || !page_poisoning_enabled())) __virtio_clear_bit(vdev, VIRTIO_BALLOON_F_PAGE_POISON); + 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); return 0;
[PATCH v2 resubmit] virtio-balloon: Disable free page reporting if page poison reporting is not enabled
2020 May 08
2
[PATCH v2 resubmit] virtio-balloon: Disable free page reporting if page poison reporting is not enabled
...e poisoned or + * initialized. If we cannot do that then we should disable + * page reporting as it could potentially change the contents + * of our free pages. + */ if (!want_init_on_free() && (IS_ENABLED(CONFIG_PAGE_POISONING_NO_SANITY) || !page_poisoning_enabled())) __virtio_clear_bit(vdev, VIRTIO_BALLOON_F_PAGE_POISON); + 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); return 0;
[PATCH v2] virtio-balloon: Disable free page reporting if page poison reporting is not enabled
2020 Apr 24
2
[PATCH v2] virtio-balloon: Disable free page reporting if page poison reporting is not enabled
...e poisoned or + * initialized. If we cannot do that then we should disable + * page reporting as it could potentially change the contents + * of our free pages. + */ if (!want_init_on_free() && (IS_ENABLED(CONFIG_PAGE_POISONING_NO_SANITY) || !page_poisoning_enabled())) __virtio_clear_bit(vdev, VIRTIO_BALLOON_F_PAGE_POISON); + 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); return 0;
[PATCH v2] virtio-balloon: Disable free page reporting if page poison reporting is not enabled
2020 Apr 24
2
[PATCH v2] virtio-balloon: Disable free page reporting if page poison reporting is not enabled
...e poisoned or + * initialized. If we cannot do that then we should disable + * page reporting as it could potentially change the contents + * of our free pages. + */ if (!want_init_on_free() && (IS_ENABLED(CONFIG_PAGE_POISONING_NO_SANITY) || !page_poisoning_enabled())) __virtio_clear_bit(vdev, VIRTIO_BALLOON_F_PAGE_POISON); + 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); return 0;
[PATCH kernel v5 5/5] virtio-balloon: tell host vm's unused page info
2016 Nov 30
0
[PATCH kernel v5 5/5] virtio-balloon: tell host vm's unused page info
...ev, VIRTIO_BALLOON_F_STATS_VQ) ? 3 : 2; + if (virtio_has_feature(vb->vdev, VIRTIO_BALLOON_F_HOST_REQ_VQ)) + nvqs = 4; + else if (virtio_has_feature(vb->vdev, VIRTIO_BALLOON_F_STATS_VQ)) + nvqs = 3; + else + nvqs = 2; + + if (!virtio_has_feature(vb->vdev, VIRTIO_BALLOON_F_STATS_VQ)) { + __virtio_clear_bit(vb->vdev, VIRTIO_BALLOON_F_PAGE_BITMAP); + __virtio_clear_bit(vb->vdev, VIRTIO_BALLOON_F_HOST_REQ_VQ); + } + err = vb->vdev->config->find_vqs(vb->vdev, nvqs, vqs, callbacks, names); if (err) return err; @@ -717,6 +811,18 @@ static int init_vqs(struct virtio_balloon *vb)...
[PATCH kernel v8 4/4] virtio-balloon: VIRTIO_BALLOON_F_HOST_REQ_VQ
2017 Mar 16
0
[PATCH kernel v8 4/4] virtio-balloon: VIRTIO_BALLOON_F_HOST_REQ_VQ
...ev, VIRTIO_BALLOON_F_STATS_VQ) ? 3 : 2; + if (virtio_has_feature(vb->vdev, VIRTIO_BALLOON_F_HOST_REQ_VQ)) + nvqs = 4; + else if (virtio_has_feature(vb->vdev, VIRTIO_BALLOON_F_STATS_VQ)) + nvqs = 3; + else + nvqs = 2; + + if (!virtio_has_feature(vb->vdev, VIRTIO_BALLOON_F_STATS_VQ)) { + __virtio_clear_bit(vb->vdev, VIRTIO_BALLOON_F_CHUNK_TRANSFER); + __virtio_clear_bit(vb->vdev, VIRTIO_BALLOON_F_HOST_REQ_VQ); + } + err = vb->vdev->config->find_vqs(vb->vdev, nvqs, vqs, callbacks, names); if (err) return err; @@ -699,6 +811,20 @@ static int init_vqs(struct virtio_balloon *vb)...
[PATCH v2 resubmit] virtio-balloon: Disable free page reporting if page poison reporting is not enabled
2020 May 26
1
[PATCH v2 resubmit] virtio-balloon: Disable free page reporting if page poison reporting is not enabled
...ould potentially change the contents > > + * of our free pages. > > + */ > > if (!want_init_on_free() && > > (IS_ENABLED(CONFIG_PAGE_POISONING_NO_SANITY) || > > !page_poisoning_enabled())) > > __virtio_clear_bit(vdev, VIRTIO_BALLOON_F_PAGE_POISON); > > + 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); > > r...
[PATCH v2] virtio-balloon: Disable free page reporting if page poison reporting is not enabled
2020 Apr 27
2
[PATCH v2] virtio-balloon: Disable free page reporting if page poison reporting is not enabled
...ting as it could potentially change the contents > > + * of our free pages. > > + */ > > if (!want_init_on_free() && > > (IS_ENABLED(CONFIG_PAGE_POISONING_NO_SANITY) || > > !page_poisoning_enabled())) > > __virtio_clear_bit(vdev, VIRTIO_BALLOON_F_PAGE_POISON); > > + 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); > > return 0;...
[PATCH v2] virtio-balloon: Disable free page reporting if page poison reporting is not enabled
2020 Apr 27
2
[PATCH v2] virtio-balloon: Disable free page reporting if page poison reporting is not enabled
...ting as it could potentially change the contents > > + * of our free pages. > > + */ > > if (!want_init_on_free() && > > (IS_ENABLED(CONFIG_PAGE_POISONING_NO_SANITY) || > > !page_poisoning_enabled())) > > __virtio_clear_bit(vdev, VIRTIO_BALLOON_F_PAGE_POISON); > > + 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); > > return 0;...
[PATCH] virtio_balloon: clear modern features under legacy
2020 Jul 14
2
[PATCH] virtio_balloon: clear modern features under legacy
...evices 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); > > > > + __virtio_clear_bit(vdev, VIRTIO_BALLOON_F_PAGE_POISON); > > > > + __virtio_clear_bit(vdev, VIRTIO_BALLOON_F_REPORTING); > > > > + } > > > > /* > > > &...
[PATCH] virtio_balloon: clear modern features under legacy
2020 Jul 14
2
[PATCH] virtio_balloon: clear modern features under legacy
...evices 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); > > > > + __virtio_clear_bit(vdev, VIRTIO_BALLOON_F_PAGE_POISON); > > > > + __virtio_clear_bit(vdev, VIRTIO_BALLOON_F_REPORTING); > > > > + } > > > > /* > > > &...
[PATCH] virtio-balloon: Disable free page hinting/reporting if page poison is disabled
2020 Apr 16
0
[PATCH] virtio-balloon: Disable free page hinting/reporting if page poison is disabled
...lloon_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_PAGE_POISON); > + } else if (!virtio_has_feature(vdev, VIRTIO_BALLOON_F_PAGE_POISON)) { > + __virtio_clear_bit(vdev, VIRTIO_BALLOON_F_FREE_PAGE_HINT); > + __virtio_clear_bit(vdev, VIRTIO_BALLOON_F_REPORTING); > + } > > __virtio_clear_bit(vdev, VIRTIO_F...
[PATCH] virtio_balloon: clear modern features under legacy
2020 Jul 12
2
[PATCH] virtio_balloon: clear modern features under legacy
...+ /* > > + * 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); > > + __virtio_clear_bit(vdev, VIRTIO_BALLOON_F_PAGE_POISON); > > + __virtio_clear_bit(vdev, VIRTIO_BALLOON_F_REPORTING); > > + } > > /* > > * Inform the hypervisor that our page...
[PATCH] virtio_balloon: clear modern features under legacy
2020 Jul 12
2
[PATCH] virtio_balloon: clear modern features under legacy
...+ /* > > + * 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); > > + __virtio_clear_bit(vdev, VIRTIO_BALLOON_F_PAGE_POISON); > > + __virtio_clear_bit(vdev, VIRTIO_BALLOON_F_REPORTING); > > + } > > /* > > * Inform the hypervisor that our page...
[PATCH net-next v1 5/5] virtio_ring: enable packed ring
2018 Jul 10
1
[PATCH net-next v1 5/5] virtio_ring: enable packed ring
...44 > --- a/drivers/s390/virtio/virtio_ccw.c > +++ b/drivers/s390/virtio/virtio_ccw.c > @@ -765,6 +765,11 @@ static u64 virtio_ccw_get_features(struct virtio_device *vdev) > return rc; > } > > +static void ccw_transport_features(struct virtio_device *vdev) > +{ > + __virtio_clear_bit(vdev, VIRTIO_F_RING_PACKED); > +} I think we need a better comment to explain why it was disabled here. Thanks > + > static int virtio_ccw_finalize_features(struct virtio_device *vdev) > { > struct virtio_ccw_device *vcdev = to_vc_device(vdev); > @@ -791,6 +796,9 @@ stat...