diff options
| author |   Michael S. Tsirkin <mst@redhat.com> | 2014-10-07 16:39:42 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2014-12-09 12:05:23 +0200 |
| commit | e16e12be34648777606a2c03a3526409b38f0e63 (patch) | |
| tree | 36298911ba8eed0a4805c2c30a56d92520d23432 /drivers/s390/kvm/kvm_virtio.c | |
| parent | virtio: add low-level APIs for feature bits (diff) | |
| download | linux-dev-e16e12be34648777606a2c03a3526409b38f0e63.tar.xz linux-dev-e16e12be34648777606a2c03a3526409b38f0e63.zip | |
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 '')
| -rw-r--r-- | drivers/s390/kvm/kvm_virtio.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/s390/kvm/kvm_virtio.c b/drivers/s390/kvm/kvm_virtio.c index 643129070c51..fcd312d0c018 100644 --- a/drivers/s390/kvm/kvm_virtio.c +++ b/drivers/s390/kvm/kvm_virtio.c @@ -106,7 +106,7 @@ static void kvm_finalize_features(struct virtio_device *vdev) memset(out_features, 0, desc->feature_len); bits = min_t(unsigned, desc->feature_len, sizeof(vdev->features)) * 8; for (i = 0; i < bits; i++) { - if (test_bit(i, vdev->features)) + if (__virtio_test_bit(vdev, i)) out_features[i / 8] |= (1 << (i % 8)); } } |