search for: 88c1ed57a3c5

Displaying 3 results from an estimated 3 matches for "88c1ed57a3c5".

[PATCH 1/4] drm/virtio: Ensure cached capset entries are valid before copying.
2019 Jun 05
10
[PATCH 1/4] drm/virtio: Ensure cached capset entries are valid before copying.
...done without zeroing. Signed-off-by: David Riley <davidriley at chromium.org> --- drivers/gpu/drm/virtio/virtgpu_ioctl.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c index 949a264985fc..88c1ed57a3c5 100644 --- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c +++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c @@ -526,7 +526,6 @@ static int virtio_gpu_get_caps_ioctl(struct drm_device *dev, list_for_each_entry(cache_ent, &vgdev->cap_cache, head) { if (cache_ent->id == args->cap_set_id &&a...
[PATCH 4/4] drm/virtio: Add memory barriers for capset cache.
2019 Jun 05
0
[PATCH 4/4] drm/virtio: Add memory barriers for capset cache.
...es. Signed-off-by: David Riley <davidriley at chromium.org> --- drivers/gpu/drm/virtio/virtgpu_ioctl.c | 3 +++ drivers/gpu/drm/virtio/virtgpu_vq.c | 2 ++ 2 files changed, 5 insertions(+) diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c index 88c1ed57a3c5..502f5f7c2298 100644 --- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c +++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c @@ -542,6 +542,9 @@ static int virtio_gpu_get_caps_ioctl(struct drm_device *dev, if (!ret) return -EBUSY; + /* is_valid check must proceed before copy of the cache entry. */ + virt_...
[PATCH v2 4/4] drm/virtio: Add memory barriers for capset cache.
2019 Jun 10
0
[PATCH v2 4/4] drm/virtio: Add memory barriers for capset cache.
...rs. Signed-off-by: David Riley <davidriley at chromium.org> --- drivers/gpu/drm/virtio/virtgpu_ioctl.c | 3 +++ drivers/gpu/drm/virtio/virtgpu_vq.c | 2 ++ 2 files changed, 5 insertions(+) diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c index 88c1ed57a3c5..a50495083d6f 100644 --- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c +++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c @@ -542,6 +542,9 @@ static int virtio_gpu_get_caps_ioctl(struct drm_device *dev, if (!ret) return -EBUSY; + /* is_valid check must proceed before copy of the cache entry. */ + smp_r...