linux-kernel - [PATCH V3 09/15] vhost: do not export vhost_add_used_n() and vhost_add_used_and_signal

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Wed, 17 Jul 2019 06:52:49 -0400
From:   Jason Wang <jasowang@...hat.com>
To:     mst@...hat.com, jasowang@...hat.com
Cc:     kvm@...r.kernel.org, virtualization@...ts.linux-foundation.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        jfreimann@...hat.com, tiwei.bie@...el.com,
        maxime.coquelin@...hat.com
Subject: [PATCH V3 09/15] vhost: do not export vhost_add_used_n() and vhost_add_used_and_signal_n()

We would request device to use shadow used ring API. Then there's no
need for exposing those to device.

Signed-off-by: Jason Wang <jasowang@...hat.com>
---
 drivers/vhost/vhost.c | 13 +++++++------
 drivers/vhost/vhost.h |  4 ----
 2 files changed, 7 insertions(+), 10 deletions(-)

diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 5bfca5b76b05..50ba382f0981 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -2883,8 +2883,9 @@ EXPORT_SYMBOL_GPL(vhost_get_shadow_used_count);
 
 /* After we've used one of their buffers, we tell them about it.  We'll then
  * want to notify the guest, using eventfd. */
-int vhost_add_used_n(struct vhost_virtqueue *vq, struct vring_used_elem *heads,
-		     unsigned count)
+static int vhost_add_used_n(struct vhost_virtqueue *vq,
+			    struct vring_used_elem *heads,
+			    unsigned count)
 {
 	int start, n, r;
 
@@ -2988,14 +2989,14 @@ void vhost_add_used_and_signal(struct vhost_dev *dev,
 EXPORT_SYMBOL_GPL(vhost_add_used_and_signal);
 
 /* multi-buffer version of vhost_add_used_and_signal */
-void vhost_add_used_and_signal_n(struct vhost_dev *dev,
-				 struct vhost_virtqueue *vq,
-				 struct vring_used_elem *heads, unsigned count)
+static void vhost_add_used_and_signal_n(struct vhost_dev *dev,
+					struct vhost_virtqueue *vq,
+					struct vring_used_elem *heads,
+					unsigned count)
 {
 	vhost_add_used_n(vq, heads, count);
 	vhost_signal(dev, vq);
 }
-EXPORT_SYMBOL_GPL(vhost_add_used_and_signal_n);
 
 void vhost_flush_shadow_used_and_signal(struct vhost_virtqueue *vq)
 
diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h
index 175eb5ebf954..481baba20c3d 100644
--- a/drivers/vhost/vhost.h
+++ b/drivers/vhost/vhost.h
@@ -240,13 +240,9 @@ void vhost_discard_vq_desc(struct vhost_virtqueue *, int n);
 
 int vhost_vq_init_access(struct vhost_virtqueue *);
 int vhost_add_used(struct vhost_virtqueue *, unsigned int head, int len);
-int vhost_add_used_n(struct vhost_virtqueue *, struct vring_used_elem *heads,
-		     unsigned count);
 
 void vhost_add_used_and_signal(struct vhost_dev *, struct vhost_virtqueue *,
 			       unsigned int id, int len);
-void vhost_add_used_and_signal_n(struct vhost_dev *, struct vhost_virtqueue *,
-			       struct vring_used_elem *heads, unsigned count);
 
 /* Zerocopy shadow used ring API */
 void vhost_set_zc_used_len(struct vhost_virtqueue *vq,
-- 
2.18.1