On 06/13/2018 04:49 AM, Boris Ostrovsky wrote:
On 06/12/2018 09:41 AM, Oleksandr Andrushchenko wrote:
diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c
index a09db23e9663..e82660d81d7e 100644
--- a/drivers/xen/gntdev.c
+++ b/drivers/xen/gntdev.c
@@ -48,6 +48,9 @@
#include <asm/xen/hypercall.h>
#include "gntdev-common.h"
+#ifdef CONFIG_XEN_GNTDEV_DMABUF
+#include "gntdev-dmabuf.h"
+#endif
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Derek G. Murray <derek.mur...@cl.cam.ac.uk>, "
@@ -566,6 +569,15 @@ static int gntdev_open(struct inode *inode,
struct file *flip)
INIT_LIST_HEAD(&priv->freeable_maps);
mutex_init(&priv->lock);
+#ifdef CONFIG_XEN_GNTDEV_DMABUF
+ priv->dmabuf_priv = gntdev_dmabuf_init();
+ if (IS_ERR(priv->dmabuf_priv)) {
+ ret = PTR_ERR(priv->dmabuf_priv);
+ kfree(priv);
+ return ret;
+ }
+#endif
+
if (use_ptemod) {
priv->mm = get_task_mm(current);
if (!priv->mm) {
@@ -616,8 +628,13 @@ static int gntdev_release(struct inode *inode,
struct file *flip)
WARN_ON(!list_empty(&priv->freeable_maps));
mutex_unlock(&priv->lock);
+#ifdef CONFIG_XEN_GNTDEV_DMABUF
+ gntdev_dmabuf_fini(priv->dmabuf_priv);
+#endif
+
if (use_ptemod)
mmu_notifier_unregister(&priv->mn, priv->mm);
+
kfree(priv);
return 0;
}
@@ -987,6 +1004,107 @@ static long gntdev_ioctl_grant_copy(struct
gntdev_priv *priv, void __user *u)
return ret;
}
+#ifdef CONFIG_XEN_GNTDEV_DMABUF
+static long
+gntdev_ioctl_dmabuf_exp_from_refs(struct gntdev_priv *priv,
+ struct ioctl_gntdev_dmabuf_exp_from_refs __user *u)
Didn't we agree that this code moves to gntdev-dmabuf.c ?
Sure, didn't think we want IOCTL's code to be moved as well,
but that does make sense - will move all
-boris
Thank you,
Oleksandr
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