From: Jan Beulich <jbeulich@suse.com>
Date: Tue, 19 Jul 2022 06:36:10 +0000 (+0200)
Subject: x86: log non-responding CPUs in fatal_trap()
X-Git-Tag: archive/raspbian/4.17.0-1+rpi1^2~33^2~423
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=59ec934d538c24265e29667aac5a6d69e31eef0a;p=xen.git

x86: log non-responding CPUs in fatal_trap()

This eases recognizing that something odd is going on.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Andrew Cooper <andrew.cooper3@citrix.com>
---

diff --git a/xen/arch/x86/traps.c b/xen/arch/x86/traps.c
index cabebf4f5b..b713ef7e77 100644
--- a/xen/arch/x86/traps.c
+++ b/xen/arch/x86/traps.c
@@ -845,6 +845,9 @@ void fatal_trap(const struct cpu_user_regs *regs, bool show_remote)
                     msecs = 10;
                 }
             }
+            if ( pending )
+                printk("Non-responding CPUs: {%*pbl}\n",
+                       CPUMASK_PR(&show_state_mask));
         }
     }