[RFC/PATCH 2/4] powerpc: ptrace can set DABR on both 32 and 64 bits

Benjamin Herrenschmidt benh at kernel.crashing.org
Wed May 30 18:05:15 EST 2007


Allow ptrace to set dabr in the thread structure for both 32 and 64 bits,
though only 64 bits actually uses that field, it's actually defined in both.

Signed-off-by: Benjamin Herrenschmidt <benh at kernel.crashing.org>
---

 arch/powerpc/kernel/ptrace.c |    4 ----
 1 file changed, 4 deletions(-)

Index: linux-cell/arch/powerpc/kernel/ptrace.c
===================================================================
--- linux-cell.orig/arch/powerpc/kernel/ptrace.c	2007-05-30 16:21:12.000000000 +1000
+++ linux-cell/arch/powerpc/kernel/ptrace.c	2007-05-30 16:21:22.000000000 +1000
@@ -286,7 +286,6 @@ static void clear_single_step(struct tas
 	clear_tsk_thread_flag(task, TIF_SINGLESTEP);
 }
 
-#ifdef CONFIG_PPC64
 static int ptrace_set_debugreg(struct task_struct *task, unsigned long addr,
 			       unsigned long data)
 {
@@ -305,7 +304,6 @@ static int ptrace_set_debugreg(struct ta
 	task->thread.dabr = data;
 	return 0;
 }
-#endif
 
 /*
  * Called by kernel/ptrace.c when detaching..
@@ -503,7 +501,6 @@ long arch_ptrace(struct task_struct *chi
 		break;
 	}
 
-#ifdef CONFIG_PPC64
 	case PTRACE_GET_DEBUGREG: {
 		ret = -EINVAL;
 		/* We only support one DABR and no IABRS at the moment */
@@ -517,7 +514,6 @@ long arch_ptrace(struct task_struct *chi
 	case PTRACE_SET_DEBUGREG:
 		ret = ptrace_set_debugreg(child, addr, data);
 		break;
-#endif
 
 	case PTRACE_DETACH:
 		ret = ptrace_detach(child, data);



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