powerpc/ptrace: move ptrace_triggered() into hw_breakpoint.c

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.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/8402c516023da1371953a65af7df2008758ea0c4.1582848567.git.christophe.leroy@c-s.fr

diff --git a/arch/powerpc/kernel/hw_breakpoint.c b/arch/powerpc/kernel/hw_breakpoint.c
index d085432..72f461b 100644 (file)
--- a/arch/powerpc/kernel/hw_breakpoint.c
+++ b/arch/powerpc/kernel/hw_breakpoint.c
@@ -429,3 +429,19 @@ 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);
+}

diff --git a/arch/powerpc/kernel/ptrace/ptrace.c b/arch/powerpc/kernel/ptrace/ptrace.c
index a44f6e5..f6e51be 100644 (file)
--- a/arch/powerpc/kernel/ptrace/ptrace.c
+++ b/arch/powerpc/kernel/ptrace/ptrace.c
@@ -18,7 +18,6 @@
 #include <linux/regset.h>
 #include <linux/tracehook.h>
 #include <linux/audit.h>
-#include <linux/hw_breakpoint.h>
 #include <linux/context_tracking.h>
 #include <linux/syscalls.h>
 
@@ -31,24 +30,6 @@
 
 #include "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..
  *