Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost

Pull virtio/vhost fixes from Michael S. Tsirkin:
"Last minute fixes:

- ARM DMA fix revert

- vhost endian-ness fix

- MAINTAINERS: email address change for Amit"

* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
MAINTAINERS: update email address for Amit Shah
vhost: fix initialization for vq->is_le
Revert "vring: Force use of DMA API for ARM-based systems with legacy devices"

MAINTAINERS

···
 F:	include/uapi/linux/userio.h
 
 VIRTIO CONSOLE DRIVER
-M:	Amit Shah <[e-mail]>
+M:	Amit Shah <[e-mail]>
 L:	[e-mail]
 S:	Maintained
 F:	drivers/char/virtio_console.c

drivers/vhost/vhost.c

···
 
 static void vhost_init_is_le(struct vhost_virtqueue *vq)
 {
-	if (vhost_has_feature(vq, VIRTIO_F_VERSION_1))
-		vq->is_le = true;
+	vq->is_le = vhost_has_feature(vq, VIRTIO_F_VERSION_1)
+		|| virtio_legacy_is_little_endian();
 }
 #endif /* CONFIG_VHOST_CROSS_ENDIAN_LEGACY */
 
 static void vhost_reset_is_le(struct vhost_virtqueue *vq)
 {
-	vq->is_le = virtio_legacy_is_little_endian();
+	vhost_init_is_le(vq);
 }
 
 struct vhost_flush_struct {
···
 	int r;
 	bool is_le = vq->is_le;
 
-	if (!vq->private_data) {
-		vhost_reset_is_le(vq);
+	if (!vq->private_data)
 		return 0;
-	}
 
 	vhost_init_is_le(vq);
 

drivers/virtio/virtio_ring.c

···
 	if (xen_domain())
 		return true;
 
-	/*
-	 * On ARM-based machines, the DMA ops will do the right thing,
-	 * so always use them with legacy devices.
-	 */
-	if (IS_ENABLED(CONFIG_ARM) || IS_ENABLED(CONFIG_ARM64))
-		return !virtio_has_feature(vdev, VIRTIO_F_VERSION_1);
-
 	return false;
 }