In my opinion, the meeting did not solve anything, just chatted and broke up. Trump is just trying to raise his rating due to the news around him.
It was more like Tillerson begging Putin to concede something in Syria, so that Trump could use it to improve his rating. But I am not sure whether Putin agreed to it or not. A few days back, he was visibly very upset with Trump.
Blow through the empty space Putin and trump cut the U.S. Congress on the possibility to suspect the President of the Pro-Russian position, which could lead to the impeachment of the President. Brilliant attacking move Donald and Vladimir, now, any, any who will criticize trump will be an FSB agent. We must be prepared to cover the information in the form of statements, declarations and separate the hysteria from some characters. Consequences for bilateral relations of Russia and the United States is not have will