make features string more readable, add space every 8bit. example: 00101010 01110000 00000000 00001100
Signed-off-by: weiping zhang <[email protected]> --- drivers/virtio/virtio.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index 59e36ef..d7d2db1 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -50,9 +50,12 @@ static ssize_t features_show(struct device *_d, /* We actually represent this as a bitstring, as it could be * arbitrary length in future. */ - for (i = 0; i < sizeof(dev->features)*8; i++) - len += sprintf(buf+len, "%c", + for (i = 0; i < sizeof(dev->features) * 8; i++) { + len += sprintf(buf + len, "%c", __virtio_test_bit(dev, i) ? '1' : '0'); + if (i % 8 == 7) + len += sprintf(buf + len, " "); + } len += sprintf(buf+len, "\n"); return len; } -- 2.9.4 _______________________________________________ Virtualization mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/virtualization
