Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull timer fixes from Ingo Molnar:
 "Three small fixlets"

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  nohz: fix compile warning in tick_nohz_init()
  nohz: Do not warn about unstable tsc unless user uses nohz_full
  sched_clock: Fix integer overflow

2 files changed, 3 insertions, 4 deletions

diff --git a/kernel/time/sched_clock.c b/kernel/time/sched_clock.c
index a326f27d7f09..0b479a6a22bb 100644
--- a/kernel/time/sched_clock.c
+++ b/kernel/time/sched_clock.c
@@ -121,7 +121,7 @@ void __init setup_sched_clock(u32 (*read)(void), int bits, unsigned long rate)
         BUG_ON(bits > 32);
         WARN_ON(!irqs_disabled());
         read_sched_clock = read;
-        sched_clock_mask = (1 << bits) - 1;
+        sched_clock_mask = (1ULL << bits) - 1;
         cd.rate = rate;
 
         /* calculate the mult/shift to convert counter ticks to ns. */
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index e77edc97e036..e8a1516cc0a3 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -182,7 +182,8 @@ static bool can_stop_full_tick(void)
                  * Don't allow the user to think they can get
                  * full NO_HZ with this machine.
                  */
-                WARN_ONCE(1, "NO_HZ FULL will not work with unstable sched clock");
+                WARN_ONCE(have_nohz_full_mask,
+                          "NO_HZ FULL will not work with unstable sched clock");
                 return false;
         }
 #endif
@@ -343,8 +344,6 @@ static int tick_nohz_init_all(void)
 
 void __init tick_nohz_init(void)
 {
-        int cpu;
-
         if (!have_nohz_full_mask) {
                 if (tick_nohz_init_all() < 0)
                         return;