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[Qemu-devel] [FIX PATCH] monitor: Don't return CPU marked for unplug as
From: |
Bharata B Rao |
Subject: |
[Qemu-devel] [FIX PATCH] monitor: Don't return CPU marked for unplug as monitor CPU |
Date: |
Mon, 16 Oct 2017 12:33:26 +0530 |
The following sequence of steps kill the QEMU:
- Hotplug a CPU
- Change the default CPU to the newly hotplugged cpu using "cpu" HMP command.
- Hot unplug the CPU
- Run "info cpus"
Fix this by not letting monitor_get_cpu() to return a CPU which is marked
for unplug.
Reported-by: Satheesh Rajendran <address@hidden>
Signed-off-by: Bharata B Rao <address@hidden>
---
monitor.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/monitor.c b/monitor.c
index fe0d1bd..8d60e57 100644
--- a/monitor.c
+++ b/monitor.c
@@ -1053,7 +1053,7 @@ int monitor_set_cpu(int cpu_index)
CPUState *mon_get_cpu(void)
{
- if (!cur_mon->mon_cpu) {
+ if (!cur_mon->mon_cpu || cur_mon->mon_cpu->unplug) {
if (!first_cpu) {
return NULL;
}
--
2.7.4
- [Qemu-devel] [FIX PATCH] monitor: Don't return CPU marked for unplug as monitor CPU,
Bharata B Rao <=