Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm

[pandora-kernel.git] / arch / arm / kernel / perf_event.c

diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index 421a4bb..5efa264 100644 (file)
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -32,7 +32,7 @@ static struct platform_device *pmu_device;
  * Hardware lock to serialize accesses to PMU registers. Needed for the
  * read/modify/write sequences.
  */
-DEFINE_SPINLOCK(pmu_lock);
+static DEFINE_RAW_SPINLOCK(pmu_lock);
 
 /*
  * ARMv6 supports a maximum of 3 events, starting from index 1. If we add
@@ -65,7 +65,7 @@ struct cpu_hw_events {
         */
        unsigned long           active_mask[BITS_TO_LONGS(ARMPMU_MAX_HWEVENTS)];
 };
-DEFINE_PER_CPU(struct cpu_hw_events, cpu_hw_events);
+static DEFINE_PER_CPU(struct cpu_hw_events, cpu_hw_events);
 
 struct arm_pmu {
        enum arm_perf_pmu_ids id;
@@ -654,11 +654,11 @@ init_hw_perf_events(void)
                pr_info("no hardware support available\n");
        }
 
-       perf_pmu_register(&pmu);
+       perf_pmu_register(&pmu, "cpu", PERF_TYPE_RAW);
 
        return 0;
 }
-arch_initcall(init_hw_perf_events);
+early_initcall(init_hw_perf_events);
 
 /*
  * Callchain handling code.
@@ -673,17 +673,17 @@ arch_initcall(init_hw_perf_events);
  * This code has been adapted from the ARM OProfile support.
  */
 struct frame_tail {
-       struct frame_tail   *fp;
-       unsigned long       sp;
-       unsigned long       lr;
+       struct frame_tail __user *fp;
+       unsigned long sp;
+       unsigned long lr;
 } __attribute__((packed));
 
 /*
  * Get the return address for a single stackframe and return a pointer to the
  * next frame tail.
  */
-static struct frame_tail *
-user_backtrace(struct frame_tail *tail,
+static struct frame_tail __user *
+user_backtrace(struct frame_tail __user *tail,
               struct perf_callchain_entry *entry)
 {
        struct frame_tail buftail;
@@ -709,10 +709,10 @@ user_backtrace(struct frame_tail *tail,
 void
 perf_callchain_user(struct perf_callchain_entry *entry, struct pt_regs *regs)
 {
-       struct frame_tail *tail;
+       struct frame_tail __user *tail;
 
 
-       tail = (struct frame_tail *)regs->ARM_fp - 1;
+       tail = (struct frame_tail __user *)regs->ARM_fp - 1;
 
        while (tail && !((unsigned long)tail & 0x3))
                tail = user_backtrace(tail, entry);