Merge branch 'linus' into x86/urgent

Merge reason: Queueing up dependent early-printk fix.

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

7 files changed, 40 insertions, 25 deletions

diff --git a/arch/powerpc/include/asm/cputime.h b/arch/powerpc/include/asm/cputime.h
index f42e623030ee..fa19f3fe05ff 100644
--- a/arch/powerpc/include/asm/cputime.h
+++ b/arch/powerpc/include/asm/cputime.h
@@ -18,6 +18,9 @@
 
 #ifndef CONFIG_VIRT_CPU_ACCOUNTING
 #include <asm-generic/cputime.h>
+#ifdef __KERNEL__
+static inline void setup_cputime_one_jiffy(void) { }
+#endif
 #else
 
 #include <linux/types.h>
@@ -49,6 +52,11 @@ typedef u64 cputime64_t;
 #ifdef __KERNEL__
 
 /*
+ * One jiffy in timebase units computed during initialization
+ */
+extern cputime_t cputime_one_jiffy;
+
+/*
  * Convert cputime <-> jiffies
  */
 extern u64 __cputime_jiffies_factor;
@@ -89,6 +97,11 @@ static inline cputime_t jiffies_to_cputime(const unsigned long jif)
         return ct;
 }
 
+static inline void setup_cputime_one_jiffy(void)
+{
+        cputime_one_jiffy = jiffies_to_cputime(1);
+}
+
 static inline cputime64_t jiffies64_to_cputime64(const u64 jif)
 {
         cputime_t ct;
diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h
index e73d554538dd..abbc2aaaced5 100644
--- a/arch/powerpc/include/asm/hw_irq.h
+++ b/arch/powerpc/include/asm/hw_irq.h
@@ -135,43 +135,43 @@ static inline int irqs_disabled_flags(unsigned long flags)
  */
 struct irq_chip;
 
-#ifdef CONFIG_PERF_COUNTERS
+#ifdef CONFIG_PERF_EVENTS
 
 #ifdef CONFIG_PPC64
-static inline unsigned long test_perf_counter_pending(void)
+static inline unsigned long test_perf_event_pending(void)
 {
         unsigned long x;
 
         asm volatile("lbz %0,%1(13)"
                 : "=r" (x)
-                : "i" (offsetof(struct paca_struct, perf_counter_pending)));
+                : "i" (offsetof(struct paca_struct, perf_event_pending)));
         return x;
 }
 
-static inline void set_perf_counter_pending(void)
+static inline void set_perf_event_pending(void)
 {
         asm volatile("stb %0,%1(13)" : :
                 "r" (1),
-                "i" (offsetof(struct paca_struct, perf_counter_pending)));
+                "i" (offsetof(struct paca_struct, perf_event_pending)));
 }
 
-static inline void clear_perf_counter_pending(void)
+static inline void clear_perf_event_pending(void)
 {
         asm volatile("stb %0,%1(13)" : :
                 "r" (0),
-                "i" (offsetof(struct paca_struct, perf_counter_pending)));
+                "i" (offsetof(struct paca_struct, perf_event_pending)));
 }
 #endif /* CONFIG_PPC64 */
 
-#else  /* CONFIG_PERF_COUNTERS */
+#else  /* CONFIG_PERF_EVENTS */
 
-static inline unsigned long test_perf_counter_pending(void)
+static inline unsigned long test_perf_event_pending(void)
 {
         return 0;
 }
 
-static inline void clear_perf_counter_pending(void) {}
-#endif /* CONFIG_PERF_COUNTERS */
+static inline void clear_perf_event_pending(void) {}
+#endif /* CONFIG_PERF_EVENTS */
 
 #endif  /* __KERNEL__ */
 #endif  /* _ASM_POWERPC_HW_IRQ_H */
diff --git a/arch/powerpc/include/asm/mman.h b/arch/powerpc/include/asm/mman.h
index 7b1c49811a24..d4a7f645c5db 100644
--- a/arch/powerpc/include/asm/mman.h
+++ b/arch/powerpc/include/asm/mman.h
@@ -25,6 +25,8 @@
 
 #define MAP_POPULATE    0x8000          /* populate (prefault) pagetables */
 #define MAP_NONBLOCK    0x10000         /* do not block on IO */
+#define MAP_STACK       0x20000         /* give out an address that is best suited for process/thread stacks */
+#define MAP_HUGETLB     0x40000         /* create a huge page mapping */
 
 #ifdef __KERNEL__
 #ifdef CONFIG_PPC64
diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h
index b634456ea893..7d8514ceceae 100644
--- a/arch/powerpc/include/asm/paca.h
+++ b/arch/powerpc/include/asm/paca.h
@@ -122,7 +122,7 @@ struct paca_struct {
         u8 soft_enabled;                /* irq soft-enable flag */
         u8 hard_enabled;                /* set if irqs are enabled in MSR */
         u8 io_sync;                     /* writel() needs spin_unlock sync */
-        u8 perf_counter_pending;        /* PM interrupt while soft-disabled */
+        u8 perf_event_pending;          /* PM interrupt while soft-disabled */
 
         /* Stuff for accurate time accounting */
         u64 user_time;                  /* accumulated usermode TB ticks */
diff --git a/arch/powerpc/include/asm/perf_counter.h b/arch/powerpc/include/asm/perf_event.h
index 0ea0639fcf75..3288ce3997e0 100644
--- a/arch/powerpc/include/asm/perf_counter.h
+++ b/arch/powerpc/include/asm/perf_event.h
@@ -1,5 +1,5 @@
 /*
- * Performance counter support - PowerPC-specific definitions.
+ * Performance event support - PowerPC-specific definitions.
  *
  * Copyright 2008-2009 Paul Mackerras, IBM Corporation.
  *
@@ -12,7 +12,7 @@
 
 #include <asm/hw_irq.h>
 
-#define MAX_HWCOUNTERS          8
+#define MAX_HWEVENTS            8
 #define MAX_EVENT_ALTERNATIVES  8
 #define MAX_LIMITED_HWCOUNTERS  2
 
@@ -28,12 +28,12 @@ struct power_pmu {
         unsigned long   test_adder;
         int             (*compute_mmcr)(u64 events[], int n_ev,
                                 unsigned int hwc[], unsigned long mmcr[]);
-        int             (*get_constraint)(u64 event, unsigned long *mskp,
+        int             (*get_constraint)(u64 event_id, unsigned long *mskp,
                                 unsigned long *valp);
-        int             (*get_alternatives)(u64 event, unsigned int flags,
+        int             (*get_alternatives)(u64 event_id, unsigned int flags,
                                 u64 alt[]);
         void            (*disable_pmc)(unsigned int pmc, unsigned long mmcr[]);
-        int             (*limited_pmc_event)(u64 event);
+        int             (*limited_pmc_event)(u64 event_id);
         u32             flags;
         int             n_generic;
         int             *generic_events;
@@ -61,10 +61,10 @@ struct pt_regs;
 extern unsigned long perf_misc_flags(struct pt_regs *regs);
 extern unsigned long perf_instruction_pointer(struct pt_regs *regs);
 
-#define PERF_COUNTER_INDEX_OFFSET       1
+#define PERF_EVENT_INDEX_OFFSET 1
 
 /*
- * Only override the default definitions in include/linux/perf_counter.h
+ * Only override the default definitions in include/linux/perf_event.h
  * if we have hardware PMU support.
  */
 #ifdef CONFIG_PPC_PERF_CTRS
@@ -73,14 +73,14 @@ extern unsigned long perf_instruction_pointer(struct pt_regs *regs);
 
 /*
  * The power_pmu.get_constraint function returns a 32/64-bit value and
- * a 32/64-bit mask that express the constraints between this event and
+ * a 32/64-bit mask that express the constraints between this event_id and
  * other events.
  *
  * The value and mask are divided up into (non-overlapping) bitfields
  * of three different types:
  *
  * Select field: this expresses the constraint that some set of bits
- * in MMCR* needs to be set to a specific value for this event.  For a
+ * in MMCR* needs to be set to a specific value for this event_id.  For a
  * select field, the mask contains 1s in every bit of the field, and
  * the value contains a unique value for each possible setting of the
  * MMCR* bits.  The constraint checking code will ensure that two events
@@ -102,9 +102,9 @@ extern unsigned long perf_instruction_pointer(struct pt_regs *regs);
  * possible.)  For N classes, the field is N+1 bits wide, and each class
  * is assigned one bit from the least-significant N bits.  The mask has
  * only the most-significant bit set, and the value has only the bit
- * for the event's class set.  The test_adder has the least significant
+ * for the event_id's class set.  The test_adder has the least significant
  * bit set in the field.
  *
- * If an event is not subject to the constraint expressed by a particular
+ * If an event_id is not subject to the constraint expressed by a particular
  * field, then it will have 0 in both the mask and value for that field.
  */
diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h
index ed24bd92fe49..c7d671a7d9a1 100644
--- a/arch/powerpc/include/asm/systbl.h
+++ b/arch/powerpc/include/asm/systbl.h
@@ -322,7 +322,7 @@ SYSCALL_SPU(epoll_create1)
 SYSCALL_SPU(dup3)
 SYSCALL_SPU(pipe2)
 SYSCALL(inotify_init1)
-SYSCALL_SPU(perf_counter_open)
+SYSCALL_SPU(perf_event_open)
 COMPAT_SYS_SPU(preadv)
 COMPAT_SYS_SPU(pwritev)
 COMPAT_SYS(rt_tgsigqueueinfo)
diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h
index cef080bfc607..f6ca76176766 100644
--- a/arch/powerpc/include/asm/unistd.h
+++ b/arch/powerpc/include/asm/unistd.h
@@ -341,7 +341,7 @@
 #define __NR_dup3               316
 #define __NR_pipe2              317
 #define __NR_inotify_init1      318
-#define __NR_perf_counter_open  319
+#define __NR_perf_event_open    319
 #define __NR_preadv             320
 #define __NR_pwritev            321
 #define __NR_rt_tgsigqueueinfo  322