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Commit 482db6df authored by Richard Weinberger's avatar Richard Weinberger Committed by Linus Torvalds
Browse files

um: fix global timer issue when using CONFIG_NO_HZ 



This fixes a issue which was introduced by fe2cc53e ("uml: track and make
up lost ticks").

timeval_to_ns() returns long long and not int.  Due to that UML's timer
did not work properlt and caused timer freezes.

Signed-off-by: default avatarRichard Weinberger <richard@nod.at>
Acked-by: default avatarPekka Enberg <penberg@kernel.org>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: <stable@kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent b7f50cfa

arch/um/os-Linux/time.c

+1 −1
Original line number Diff line number Diff line
@@ -60,7 +60,7 @@ static inline long long timeval_to_ns(const struct timeval *tv) 
long long disable_timer(void)

{

	struct itimerval time = ((struct itimerval) { { 0, 0 }, { 0, 0 } });

	int remain, max = UM_NSEC_PER_SEC / UM_HZ;

	long long remain, max = UM_NSEC_PER_SEC / UM_HZ;



	if (setitimer(ITIMER_VIRTUAL, &time, &time) < 0)

		printk(UM_KERN_ERR "disable_timer - setitimer failed, "