Merge branch 'linus' into perfcounters/rename

Merge reason: pull in all the latest code before doing the rename.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

48 files changed, 4083 insertions, 258 deletions

diff --git a/include/linux/aio.h b/include/linux/aio.h
index 47f7d932a01d..aea219d7d8d1 100644
--- a/include/linux/aio.h
+++ b/include/linux/aio.h
@@ -225,8 +225,6 @@ static inline void exit_aio(struct mm_struct *mm) { }
 
 #define io_wait_to_kiocb(wait) container_of(wait, struct kiocb, ki_wait)
 
-#include <linux/aio_abi.h>
-
 static inline struct kiocb *list_kiocb(struct list_head *h)
 {
         return list_entry(h, struct kiocb, ki_list);
diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index 1219be4fb42e..83d2fbd81b93 100644
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -14,6 +14,7 @@
 #include <linux/list.h>
 #include <linux/cache.h>
 #include <linux/timer.h>
+#include <linux/init.h>
 #include <asm/div64.h>
 #include <asm/io.h>
 
@@ -148,14 +149,11 @@ extern u64 timecounter_cyc2time(struct timecounter *tc,
  * @disable:            optional function to disable the clocksource
  * @mask:               bitmask for two's complement
  *                      subtraction of non 64 bit counters
- * @mult:               cycle to nanosecond multiplier (adjusted by NTP)
- * @mult_orig:          cycle to nanosecond multiplier (unadjusted by NTP)
+ * @mult:               cycle to nanosecond multiplier
  * @shift:              cycle to nanosecond divisor (power of two)
  * @flags:              flags describing special properties
  * @vread:              vsyscall based read
  * @resume:             resume function for the clocksource, if necessary
- * @cycle_interval:     Used internally by timekeeping core, please ignore.
- * @xtime_interval:     Used internally by timekeeping core, please ignore.
  */
 struct clocksource {
         /*
@@ -169,7 +167,6 @@ struct clocksource {
         void (*disable)(struct clocksource *cs);
         cycle_t mask;
         u32 mult;
-        u32 mult_orig;
         u32 shift;
         unsigned long flags;
         cycle_t (*vread)(void);
@@ -181,19 +178,12 @@ struct clocksource {
 #define CLKSRC_FSYS_MMIO_SET(mmio, addr)      do { } while (0)
 #endif
 
-        /* timekeeping specific data, ignore */
-        cycle_t cycle_interval;
-        u64     xtime_interval;
-        u32     raw_interval;
         /*
          * Second part is written at each timer interrupt
          * Keep it in a different cache line to dirty no
          * more than one cache line.
          */
         cycle_t cycle_last ____cacheline_aligned_in_smp;
-        u64 xtime_nsec;
-        s64 error;
-        struct timespec raw_time;
 
 #ifdef CONFIG_CLOCKSOURCE_WATCHDOG
         /* Watchdog related data, used by the framework */
@@ -202,8 +192,6 @@ struct clocksource {
 #endif
 };
 
-extern struct clocksource *clock;       /* current clocksource */
-
 /*
  * Clock source flags bits::
  */
@@ -212,6 +200,7 @@ extern struct clocksource *clock;	/* current clocksource */
 
 #define CLOCK_SOURCE_WATCHDOG                   0x10
 #define CLOCK_SOURCE_VALID_FOR_HRES             0x20
+#define CLOCK_SOURCE_UNSTABLE                   0x40
 
 /* simplify initialization of mask field */
 #define CLOCKSOURCE_MASK(bits) (cycle_t)((bits) < 64 ? ((1ULL<<(bits))-1) : -1)
@@ -268,108 +257,15 @@ static inline u32 clocksource_hz2mult(u32 hz, u32 shift_constant)
 }
 
 /**
- * clocksource_read: - Access the clocksource's current cycle value
+ * clocksource_cyc2ns - converts clocksource cycles to nanoseconds