diff --git a/arch/sparc/kernel/ptrace.c b/arch/sparc/kernel/ptrace.c
index 7f44ae69b29e..60dfc65549db 100644
--- a/arch/sparc/kernel/ptrace.c
+++ b/arch/sparc/kernel/ptrace.c
@@ -441,6 +441,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 		break;
 
 	default:
+		if (request == PTRACE_SPARC_DETACH)
+			request = PTRACE_DETACH;
 		ret = ptrace_request(child, request, addr, data);
 		break;
 	}
diff --git a/arch/sparc64/kernel/ptrace.c b/arch/sparc64/kernel/ptrace.c
index e9fc0aa2da38..b803fe9b2c8d 100644
--- a/arch/sparc64/kernel/ptrace.c
+++ b/arch/sparc64/kernel/ptrace.c
@@ -944,6 +944,8 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
 		break;
 
 	default:
+		if (request == PTRACE_SPARC_DETACH)
+			request = PTRACE_DETACH;
 		ret = compat_ptrace_request(child, request, addr, data);
 		break;
 	}
@@ -1036,6 +1038,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 		break;
 
 	default:
+		if (request == PTRACE_SPARC_DETACH)
+			request = PTRACE_DETACH;
 		ret = ptrace_request(child, request, addr, data);
 		break;
 	}
diff --git a/include/asm-sparc/ptrace.h b/include/asm-sparc/ptrace.h
index 8201a7b29d49..c25334234a6f 100644
--- a/include/asm-sparc/ptrace.h
+++ b/include/asm-sparc/ptrace.h
@@ -149,6 +149,7 @@ extern void show_regs(struct pt_regs *);
 #define SF_XXARG  0x5c
 
 /* Stuff for the ptrace system call */
+#define PTRACE_SPARC_DETACH       11
 #define PTRACE_GETREGS            12
 #define PTRACE_SETREGS            13
 #define PTRACE_GETFPREGS          14
diff --git a/include/asm-sparc64/ptrace.h b/include/asm-sparc64/ptrace.h
index 714b81956f32..823656559d1a 100644
--- a/include/asm-sparc64/ptrace.h
+++ b/include/asm-sparc64/ptrace.h
@@ -298,6 +298,7 @@ extern void __show_regs(struct pt_regs *);
 #define SF_XXARG  0x5c
 
 /* Stuff for the ptrace system call */
+#define PTRACE_SPARC_DETACH       11
 #define PTRACE_GETREGS            12
 #define PTRACE_SETREGS            13
 #define PTRACE_GETFPREGS          14