Add info prints in sample kprobe handlers for S/390

Signed-off-by: Johannes Thumshirn <[email protected]>
---
 samples/kprobes/kprobe_example.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/samples/kprobes/kprobe_example.c b/samples/kprobes/kprobe_example.c
index 88b3e2d227ae..67de3b774bc9 100644
--- a/samples/kprobes/kprobe_example.c
+++ b/samples/kprobes/kprobe_example.c
@@ -47,6 +47,10 @@ static int handler_pre(struct kprobe *p, struct pt_regs 
*regs)
                        " pstate = 0x%lx\n",
                p->symbol_name, p->addr, (long)regs->pc, (long)regs->pstate);
 #endif
+#ifdef CONFIG_S390
+       pr_info("<%s> pre_handler: p->addr, 0x%p, ip = 0x%lx, flags = 0x%lx\n",
+               p->symbol_name, p->addr, regs->psw.addr, regs->flags);
+#endif
 
        /* A dump_stack() here will give a stack backtrace */
        return 0;
@@ -76,6 +80,10 @@ static void handler_post(struct kprobe *p, struct pt_regs 
*regs,
        pr_info("<%s> post_handler: p->addr = 0x%p, pstate = 0x%lx\n",
                p->symbol_name, p->addr, (long)regs->pstate);
 #endif
+#ifdef CONFIG_S390
+       pr_info("<%s> pre_handler: p->addr, 0x%p, flags = 0x%lx\n",
+               p->symbol_name, p->addr, regs->flags);
+#endif
 }
 
 /*
-- 
2.13.5

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