From 50530f5eac0c023cfc313d7ed342d4f1731becdb Mon Sep 17 00:00:00 2001
From: Michael Ellerman <mpe@ellerman.id.au>
Date: Fri, 12 Oct 2018 13:58:52 +1100
Subject: powerpc/xmon: Show the stack protector canary in xmon
This is helpful for debugging stack protector crashes.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
---
arch/powerpc/xmon/xmon.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c
index c70d17c9a6ba..d139741f26fe 100644
--- a/arch/powerpc/xmon/xmon.c
+++ b/arch/powerpc/xmon/xmon.c
@@ -2418,6 +2418,9 @@ static void dump_one_paca(int cpu)
DUMP(p, __current, "%-*px");
DUMP(p, kstack, "%#-*llx");
printf(" %-*s = 0x%016llx\n", 25, "kstack_base", p->kstack & ~(THREAD_SIZE - 1));
+#ifdef CONFIG_STACKPROTECTOR
+ DUMP(p, canary, "%#-*lx");
+#endif
DUMP(p, saved_r1, "%#-*llx");
DUMP(p, trap_save, "%#-*x");
DUMP(p, irq_soft_mask, "%#-*x");
--
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