uml: simplify interval setting

set_interval took a timer type as an argument, but it always specified a
virtual timer.  So, it is not needed, and it is gone, and set_interval is
simplified appropriately.

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c
index 5462469..0036164 100644
--- a/arch/um/os-Linux/skas/process.c
+++ b/arch/um/os-Linux/skas/process.c
@@ -178,7 +178,7 @@
 	ptrace(PTRACE_TRACEME, 0, 0, 0);
 
 	init_new_thread_signals();
-	err = set_interval(1);
+	err = set_interval();
 	if (err)
 		panic("userspace_tramp - setting timer failed, errno = %d\n",
 		      err);