hw-breakpoints: Provide an off-case for counter_arch_bp()
If an arch doesn't support the hw breakpoints, counter_arch_bp() has no off case to cover the missing breakpoint info structure from the perf event. The result is a build error in non-x86 configs. Reported-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Prasad <prasad@linux.vnet.ibm.com> LKML-Reference: <1258114575-32655-1-git-send-email-fweisbec@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: Prasad <prasad@linux.vnet.ibm.com>
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@ -16,11 +16,6 @@ enum {
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HW_BREAKPOINT_X = 4,
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HW_BREAKPOINT_X = 4,
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};
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};
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static inline struct arch_hw_breakpoint *counter_arch_bp(struct perf_event *bp)
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{
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return &bp->hw.info;
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}
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static inline unsigned long hw_breakpoint_addr(struct perf_event *bp)
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static inline unsigned long hw_breakpoint_addr(struct perf_event *bp)
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{
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{
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return bp->attr.bp_addr;
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return bp->attr.bp_addr;
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@ -83,6 +78,11 @@ extern void release_bp_slot(struct perf_event *bp);
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extern void flush_ptrace_hw_breakpoint(struct task_struct *tsk);
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extern void flush_ptrace_hw_breakpoint(struct task_struct *tsk);
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static inline struct arch_hw_breakpoint *counter_arch_bp(struct perf_event *bp)
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{
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return &bp->hw.info;
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}
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#else /* !CONFIG_HAVE_HW_BREAKPOINT */
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#else /* !CONFIG_HAVE_HW_BREAKPOINT */
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static inline struct perf_event *
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static inline struct perf_event *
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@ -126,6 +126,11 @@ static inline void release_bp_slot(struct perf_event *bp) { }
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static inline void flush_ptrace_hw_breakpoint(struct task_struct *tsk) { }
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static inline void flush_ptrace_hw_breakpoint(struct task_struct *tsk) { }
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static inline struct arch_hw_breakpoint *counter_arch_bp(struct perf_event *bp)
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{
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return NULL;
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}
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#endif /* CONFIG_HAVE_HW_BREAKPOINT */
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#endif /* CONFIG_HAVE_HW_BREAKPOINT */
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#endif /* _LINUX_HW_BREAKPOINT_H */
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#endif /* _LINUX_HW_BREAKPOINT_H */
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