[POWERPC] Disable broken PPC_PTRACE_GETFPREGS on 32 bits

The handling of PPC_PTRACE_GETFPREGS is broken on 32 bits kernel,
it will only return half of the registers. Since that call didn't
initially exist for 32 bits kernel (added recently), rather than
fixing it, let's just remove it.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index bf76562167c34dc4334332b65cdc4bc14f90aa6e..36db6f5cb54cb82738cdda5f75b8d7240649169f 100644 (file)
--- a/arch/powerpc/kernel/ptrace.c
+++ b/arch/powerpc/kernel/ptrace.c
@@ -434,6 +434,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                break;
        }
 
+#ifdef CONFIG_PPC64
        case PPC_PTRACE_GETFPREGS: { /* Get FPRs 0 - 31. */
                int i;
                unsigned long *reg = &((unsigned long *)child->thread.fpr)[0];
@@ -467,6 +468,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                }
                break;
        }
+#endif /* CONFIG_PPC64 */
 
 #ifdef CONFIG_ALTIVEC
        case PTRACE_GETVRREGS: