[RFC PATCH v2 12/12] powerpc/ptrace: move ptrace_triggered() into hw_breakpoint.c

[Christophe Leroy]

ptrace_triggered() is declared in asm/hw_breakpoint.h and
only needed when CONFIG_HW_BREAKPOINT is set, so move it
into hw_breakpoint.c

Signed-off-by: Christophe Leroy <christophe.le...@c-s.fr>
---
 arch/powerpc/kernel/hw_breakpoint.c | 16 ++++++++++++++++
 arch/powerpc/kernel/ptrace/ptrace.c | 18 ------------------
 2 files changed, 16 insertions(+), 18 deletions(-)

diff --git a/arch/powerpc/kernel/hw_breakpoint.c 
b/arch/powerpc/kernel/hw_breakpoint.c
index a293a53b4365..b71d3837d673 100644
--- a/arch/powerpc/kernel/hw_breakpoint.c
+++ b/arch/powerpc/kernel/hw_breakpoint.c
@@ -367,6 +367,22 @@ void hw_breakpoint_pmu_read(struct perf_event *bp)
        /* TODO */
 }
 
+void ptrace_triggered(struct perf_event *bp,
+                     struct perf_sample_data *data, struct pt_regs *regs)
+{
+       struct perf_event_attr attr;
+
+       /*
+        * Disable the breakpoint request here since ptrace has defined a
+        * one-shot behaviour for breakpoint exceptions in PPC64.
+        * The SIGTRAP signal is generated automatically for us in do_dabr().
+        * We don't have to do anything about that here
+        */
+       attr = bp->attr;
+       attr.disabled = true;
+       modify_user_hw_breakpoint(bp, &attr);
+}
+
 bool dawr_force_enable;
 EXPORT_SYMBOL_GPL(dawr_force_enable);
 
diff --git a/arch/powerpc/kernel/ptrace/ptrace.c 
b/arch/powerpc/kernel/ptrace/ptrace.c
index 31e8c5a9171e..b85998b159d7 100644
--- a/arch/powerpc/kernel/ptrace/ptrace.c
+++ b/arch/powerpc/kernel/ptrace/ptrace.c
@@ -50,24 +50,6 @@
 
 #include <kernel/ptrace/ptrace-decl.h>
 
-#ifdef CONFIG_HAVE_HW_BREAKPOINT
-void ptrace_triggered(struct perf_event *bp,
-                     struct perf_sample_data *data, struct pt_regs *regs)
-{
-       struct perf_event_attr attr;
-
-       /*
-        * Disable the breakpoint request here since ptrace has defined a
-        * one-shot behaviour for breakpoint exceptions in PPC64.
-        * The SIGTRAP signal is generated automatically for us in do_dabr().
-        * We don't have to do anything about that here
-        */
-       attr = bp->attr;
-       attr.disabled = true;
-       modify_user_hw_breakpoint(bp, &attr);
-}
-#endif /* CONFIG_HAVE_HW_BREAKPOINT */
-
 /*
  * Called by kernel/ptrace.c when detaching..
  *
-- 
2.13.3