linux-kernel - [RFC V1 02/13] vhost-vdpa: pass mm to bind

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Date: Wed, 10 Jan 2024 12:40:04 -0800
From: Steve Sistare <steven.sistare@...cle.com>
To: virtualization@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Cc: "Michael S. Tsirkin" <mst@...hat.com>, Jason Wang <jasowang@...hat.com>,
        Si-Wei Liu <si-wei.liu@...cle.com>,
        Eugenio Perez Martin <eperezma@...hat.com>,
        Xuan Zhuo <xuanzhuo@...ux.alibaba.com>,
        Dragos Tatulea <dtatulea@...dia.com>, Eli Cohen <elic@...dia.com>,
        Xie Yongji <xieyongji@...edance.com>,
        Steve Sistare <steven.sistare@...cle.com>
Subject: [RFC V1 02/13] vhost-vdpa: pass mm to bind

Pass the target mm to vhost_vdpa_bind_mm.  No functional change.

Signed-off-by: Steve Sistare <steven.sistare@...cle.com>
---
 drivers/vhost/vdpa.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
index 10fb95bcca1a..2269988d6d33 100644
--- a/drivers/vhost/vdpa.c
+++ b/drivers/vhost/vdpa.c
@@ -248,7 +248,7 @@ static int vhost_vdpa_reset(struct vhost_vdpa *v)
 	return _compat_vdpa_reset(v);
 }
 
-static long vhost_vdpa_bind_mm(struct vhost_vdpa *v)
+static long vhost_vdpa_bind_mm(struct vhost_vdpa *v, struct mm_struct *mm)
 {
 	struct vdpa_device *vdpa = v->vdpa;
 	const struct vdpa_config_ops *ops = vdpa->config;
@@ -256,7 +256,7 @@ static long vhost_vdpa_bind_mm(struct vhost_vdpa *v)
 	if (!vdpa->use_va || !ops->bind_mm)
 		return 0;
 
-	return ops->bind_mm(vdpa, v->vdev.mm);
+	return ops->bind_mm(vdpa, mm);
 }
 
 static void vhost_vdpa_unbind_mm(struct vhost_vdpa *v)
@@ -855,7 +855,7 @@ static long vhost_vdpa_unlocked_ioctl(struct file *filep,
 
 	switch (cmd) {
 	case VHOST_SET_OWNER:
-		r = vhost_vdpa_bind_mm(v);
+		r = vhost_vdpa_bind_mm(v, v->vdev.mm);
 		if (r)
 			vhost_dev_reset_owner(d, NULL);
 		break;
-- 
2.39.3