Spurs' young right-back has impressed during a three-month stint in west London and Warnock wants to persuade White Hart Lane boss Harry Redknapp to let him stay until the end of the season.
"I will be speaking to him to give us an early decision on that, whether they'll extend Kyle Walker's loan or not," Warnock told the Kilburn Times.
"We've been sending them videos and things like that, so he knows the situation and I'm sure he'll let us know as soon as possible."
Source: PA
Source: PA