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[PATCH] x86: log non-responding CPUs in fatal_trap()
- To: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Wed, 13 Jul 2022 08:51:00 +0200
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Delivery-date: Wed, 13 Jul 2022 06:51:30 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
This eases recognizing that something odd is going on.
Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
--- a/xen/arch/x86/traps.c
+++ b/xen/arch/x86/traps.c
@@ -845,6 +845,9 @@ void fatal_trap(const struct cpu_user_re
msecs = 10;
}
}
+ if ( pending )
+ printk("Non-responding CPUs: %*pbl\n",
+ CPUMASK_PR(&show_state_mask));
}
}
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