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-rw-r--r--include/linux/hw_breakpoint.h36
1 files changed, 16 insertions, 20 deletions
diff --git a/include/linux/hw_breakpoint.h b/include/linux/hw_breakpoint.h
index c9f7f7c7b0e0..5da472e434b7 100644
--- a/include/linux/hw_breakpoint.h
+++ b/include/linux/hw_breakpoint.h
@@ -20,6 +20,14 @@ enum {
#ifdef CONFIG_HAVE_HW_BREAKPOINT
+/* As it's for in-kernel or ptrace use, we want it to be pinned */
+#define DEFINE_BREAKPOINT_ATTR(name) \
+struct perf_event_attr name = { \
+ .type = PERF_TYPE_BREAKPOINT, \
+ .size = sizeof(name), \
+ .pinned = 1, \
+};
+
static inline unsigned long hw_breakpoint_addr(struct perf_event *bp)
{
return bp->attr.bp_addr;
@@ -36,22 +44,16 @@ static inline int hw_breakpoint_len(struct perf_event *bp)
}
extern struct perf_event *
-register_user_hw_breakpoint(unsigned long addr,
- int len,
- int type,
+register_user_hw_breakpoint(struct perf_event_attr *attr,
perf_callback_t triggered,
- struct task_struct *tsk,
- bool active);
+ struct task_struct *tsk);
/* FIXME: only change from the attr, and don't unregister */
extern struct perf_event *
modify_user_hw_breakpoint(struct perf_event *bp,
- unsigned long addr,
- int len,
- int type,
+ struct perf_event_attr *attr,
perf_callback_t triggered,
- struct task_struct *tsk,
- bool active);
+ struct task_struct *tsk);
/*
* Kernel breakpoints are not associated with any particular thread.
@@ -89,20 +91,14 @@ static inline struct arch_hw_breakpoint *counter_arch_bp(struct perf_event *bp)
#else /* !CONFIG_HAVE_HW_BREAKPOINT */
static inline struct perf_event *
-register_user_hw_breakpoint(unsigned long addr,
- int len,
- int type,
+register_user_hw_breakpoint(struct perf_event_attr *attr,
perf_callback_t triggered,
- struct task_struct *tsk,
- bool active) { return NULL; }
+ struct task_struct *tsk) { return NULL; }
static inline struct perf_event *
modify_user_hw_breakpoint(struct perf_event *bp,
- unsigned long addr,
- int len,
- int type,
+ struct perf_event_attr *attr,
perf_callback_t triggered,
- struct task_struct *tsk,
- bool active) { return NULL; }
+ struct task_struct *tsk) { return NULL; }
static inline struct perf_event *
register_wide_hw_breakpoint_cpu(unsigned long addr,
int len,