diff options
| author | Michael S. Tsirkin <mst@redhat.com> | 2014-10-07 18:39:42 +0400 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2014-12-09 13:05:23 +0300 |
| commit | e16e12be34648777606a2c03a3526409b38f0e63 (patch) | |
| tree | 36298911ba8eed0a4805c2c30a56d92520d23432 /drivers/misc/mic/card/mic_virtio.c | |
| parent | d4024af56f7c6cdb7e721994204fb07b2cda8be9 (diff) | |
| download | linux-e16e12be34648777606a2c03a3526409b38f0e63.tar.xz | |
virtio: use u32, not bitmap for features
It seemed like a good idea to use bitmap for features
in struct virtio_device, but it's actually a pain,
and seems to become even more painful when we get more
than 32 feature bits. Just change it to a u32 for now.
Based on patch by Rusty.
Suggested-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Diffstat (limited to 'drivers/misc/mic/card/mic_virtio.c')
| -rw-r--r-- | drivers/misc/mic/card/mic_virtio.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/misc/mic/card/mic_virtio.c b/drivers/misc/mic/card/mic_virtio.c index e64794730e21..4f070ad1875c 100644 --- a/drivers/misc/mic/card/mic_virtio.c +++ b/drivers/misc/mic/card/mic_virtio.c @@ -101,7 +101,7 @@ static void mic_finalize_features(struct virtio_device *vdev) bits = min_t(unsigned, feature_len, sizeof(vdev->features)) * 8; for (i = 0; i < bits; i++) { - if (test_bit(i, vdev->features)) + if (__virtio_test_bit(vdev, i)) iowrite8(ioread8(&out_features[i / 8]) | (1 << (i % 8)), &out_features[i / 8]); } |