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author | Jiri Kosina <jkosina@suse.cz> | 2010-02-02 23:10:39 +0100 |
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committer | Jiri Kosina <jkosina@suse.cz> | 2010-02-02 23:10:39 +0100 |
commit | e1a0bdd8022317e98650e70850de73eccfcde5ad (patch) | |
tree | 462f63307118b95c8cbacee6954e4d09ee85b8d1 /include/linux/hw_breakpoint.h | |
parent | 8127f4e883666c9960cfa89cffd36313748f8bab (diff) | |
parent | 1a45dcfe2525e9432cb4aba461d4994fc2befe42 (diff) | |
download | kernel-crypto-e1a0bdd8022317e98650e70850de73eccfcde5ad.tar.gz kernel-crypto-e1a0bdd8022317e98650e70850de73eccfcde5ad.tar.xz kernel-crypto-e1a0bdd8022317e98650e70850de73eccfcde5ad.zip |
Merge branch 'master' into upstream
Conflicts:
drivers/hid/hid-ids.h
Diffstat (limited to 'include/linux/hw_breakpoint.h')
-rw-r--r-- | include/linux/hw_breakpoint.h | 42 |
1 files changed, 19 insertions, 23 deletions
diff --git a/include/linux/hw_breakpoint.h b/include/linux/hw_breakpoint.h index a03daed08c5..070ba062173 100644 --- a/include/linux/hw_breakpoint.h +++ b/include/linux/hw_breakpoint.h @@ -20,19 +20,18 @@ 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 void hw_breakpoint_init(struct perf_event_attr *attr) { + memset(attr, 0, sizeof(*attr)); + attr->type = PERF_TYPE_BREAKPOINT; attr->size = sizeof(*attr); + /* + * As it's for in-kernel or ptrace use, we want it to be pinned + * and to call its callback every hits. + */ attr->pinned = 1; + attr->sample_period = 1; } static inline unsigned long hw_breakpoint_addr(struct perf_event *bp) @@ -52,33 +51,32 @@ static inline int hw_breakpoint_len(struct perf_event *bp) extern struct perf_event * register_user_hw_breakpoint(struct perf_event_attr *attr, - perf_callback_t triggered, + perf_overflow_handler_t triggered, 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, - struct perf_event_attr *attr, - perf_callback_t triggered, - struct task_struct *tsk); +extern int +modify_user_hw_breakpoint(struct perf_event *bp, struct perf_event_attr *attr); /* * Kernel breakpoints are not associated with any particular thread. */ extern struct perf_event * register_wide_hw_breakpoint_cpu(struct perf_event_attr *attr, - perf_callback_t triggered, + perf_overflow_handler_t triggered, int cpu); extern struct perf_event ** register_wide_hw_breakpoint(struct perf_event_attr *attr, - perf_callback_t triggered); + perf_overflow_handler_t triggered); extern int register_perf_hw_breakpoint(struct perf_event *bp); extern int __register_perf_hw_breakpoint(struct perf_event *bp); extern void unregister_hw_breakpoint(struct perf_event *bp); extern void unregister_wide_hw_breakpoint(struct perf_event **cpu_events); +extern int dbg_reserve_bp_slot(struct perf_event *bp); +extern int dbg_release_bp_slot(struct perf_event *bp); extern int reserve_bp_slot(struct perf_event *bp); extern void release_bp_slot(struct perf_event *bp); @@ -93,20 +91,18 @@ static inline struct arch_hw_breakpoint *counter_arch_bp(struct perf_event *bp) static inline struct perf_event * register_user_hw_breakpoint(struct perf_event_attr *attr, - perf_callback_t triggered, + perf_overflow_handler_t triggered, struct task_struct *tsk) { return NULL; } -static inline struct perf_event * +static inline int modify_user_hw_breakpoint(struct perf_event *bp, - struct perf_event_attr *attr, - perf_callback_t triggered, - struct task_struct *tsk) { return NULL; } + struct perf_event_attr *attr) { return -ENOSYS; } static inline struct perf_event * register_wide_hw_breakpoint_cpu(struct perf_event_attr *attr, - perf_callback_t triggered, + perf_overflow_handler_t triggered, int cpu) { return NULL; } static inline struct perf_event ** register_wide_hw_breakpoint(struct perf_event_attr *attr, - perf_callback_t triggered) { return NULL; } + perf_overflow_handler_t triggered) { return NULL; } static inline int register_perf_hw_breakpoint(struct perf_event *bp) { return -ENOSYS; } static inline int |