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-rw-r--r--arch/powerpc/kernel/uprobes.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/uprobes.c b/arch/powerpc/kernel/uprobes.c
index c6975467d9ff..95a41ae9dfa7 100644
--- a/arch/powerpc/kernel/uprobes.c
+++ b/arch/powerpc/kernel/uprobes.c
@@ -48,6 +48,11 @@ int arch_uprobe_analyze_insn(struct arch_uprobe *auprobe,
return -EINVAL;
}
+ if (!can_single_step(ppc_inst_val(ppc_inst_read(auprobe->insn)))) {
+ pr_info_ratelimited("Cannot register a uprobe on instructions that can't be single stepped\n");
+ return -ENOTSUPP;
+ }
+
return 0;
}