Re: del_timer_sync needed for UP RT systems.

From: Daniel Walker
Date: Tue Apr 26 2005 - 19:25:16 EST


On Tue, 2005-04-26 at 17:14, George Anzinger wrote:

> The problem here is that the reference is to timr, a pointer to something which
> has been deleted. The memory may well be used elsewhere by this time which will
> make the test of it_process wrong. It also means we could mess with someone
> elses memory in the memset above.

Bottom line, you can use sys_timer_delete() on a timer, and trigger the
same timer your deleting .. Those operations should be serialized, which
they currently aren't ..


Daniel

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/