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| author | Amit Shah <amit.shah@redhat.com> | 2010-05-06 02:05:07 +0530 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2010-05-19 22:15:50 +0930 |
| commit | 4038f5b767a610c5a5d92d7047755c663ead1568 (patch) | |
| tree | 6ddc8d34e69dd311305d66ebaba9a2dde5d64364 /drivers | |
| parent | cdfadfc1adb87fc7e8a631b1f299715feacbde90 (diff) | |
| download | linux-4038f5b767a610c5a5d92d7047755c663ead1568.tar.gz linux-4038f5b767a610c5a5d92d7047755c663ead1568.tar.bz2 linux-4038f5b767a610c5a5d92d7047755c663ead1568.zip | |
virtio: console: Resize console port 0 on config intr only if multiport is off
When using multiport, we'll use control messages. Ensure we don't
accidentally update port 0 size on config interrupts.
Signed-off-by: Amit Shah <amit.shah@redhat.com>
CC: Christian Borntraeger <borntraeger@de.ibm.com>
CC: linuxppc-dev@ozlabs.org
CC: Kusanagi Kouichi <slash@ac.auone-net.jp>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/char/virtio_console.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index 4175a2ae972f..1e3f4674da4a 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -1319,13 +1319,16 @@ static void config_intr(struct virtio_device *vdev) portdev = vdev->priv; - /* - * We'll use this way of resizing only for legacy support. - * For newer userspace (VIRTIO_CONSOLE_F_MULTPORT+), use - * control messages to indicate console size changes so that - * it can be done per-port - */ - resize_console(find_port_by_id(portdev, 0)); + if (!use_multiport(portdev)) { + /* + * We'll use this way of resizing only for legacy + * support. For newer userspace + * (VIRTIO_CONSOLE_F_MULTPORT+), use control messages + * to indicate console size changes so that it can be + * done per-port. + */ + resize_console(find_port_by_id(portdev, 0)); + } } static int init_vqs(struct ports_device *portdev) |