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Commit 6d110da8 authored by Benjamin Herrenschmidt's avatar Benjamin Herrenschmidt Committed by Paul Mackerras
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[POWERPC] powerpc: ptrace can set DABR on both 32 and 64 bits 



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: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent abd06505

arch/powerpc/kernel/ptrace.c

+0 −4
Original line number Diff line number Diff line
@@ -286,7 +286,6 @@ static void clear_single_step(struct task_struct *task) 
	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 task_struct *task, unsigned long addr, 
	task->thread.dabr = data;

	return 0;

}

#endif



/*

 * Called by kernel/ptrace.c when detaching..
@@ -503,7 +501,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) 
		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 *child, long request, long addr, long data) 
	case PTRACE_SET_DEBUGREG:

		ret = ptrace_set_debugreg(child, addr, data);

		break;

#endif



	case PTRACE_DETACH:

		ret = ptrace_detach(child, data);