uprobes/powerpc: Remove additional trap instruction check

prepare_uprobe() already checks if the underlying unstruction
(on file) is a trap variant. We don't need to check this again.

Signed-off-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Acked-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>

diff --git a/arch/powerpc/kernel/uprobes.c b/arch/powerpc/kernel/uprobes.c
index cb7f63d..2ecdbe3 100644 (file)
--- a/arch/powerpc/kernel/uprobes.c
+++ b/arch/powerpc/kernel/uprobes.c
@@ -53,12 +53,6 @@ int arch_uprobe_analyze_insn(struct arch_uprobe *auprobe,
        if (addr & 0x03)
                return -EINVAL;
 
-       /*
-        * We currently don't support a uprobe on an already
-        * existing breakpoint instruction underneath
-        */
-       if (is_trap(auprobe->ainsn))
-               return -ENOTSUPP;
        return 0;
 }