With the points that Barcelona has, it feels like this will be very easy to control. The opportunity for Madrid to catch up is also getting further away, so Xavi and his squad will play a little and control the situation in order to keep his players from getting injured.
At the moment, with a 12-point lead, they are comfortable and only need to secure 8 out of 12 matches that will be done, which is enough for them. Actually, with their current condition, the title this season is right in front of their eyes, especially with the remaining matches this season, only Atletico are really troublesome, the rest are only a few small clubs, but of course that cannot be underestimated.
On the other hand, their focus now really has to be on the CDR, I think because with them focusing on the second leg apart from this being an advantage for them, this can also add to Madrid's suffering because they have managed to secure all competitions in the domestic area even though the final has not yet taken place in CDR.