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x86/hvm: Process pending softirqs while dumping VMC[SB]s
authorAndrew Cooper <andrew.cooper3@citrix.com>
Wed, 4 Jun 2025 12:56:13 +0000 (13:56 +0100)
committerAndrew Cooper <andrew.cooper3@citrix.com>
Fri, 13 Jun 2025 14:47:18 +0000 (15:47 +0100)
24 guests with 8 vcpus each is sufficient to hit a 5 second watchdog.

Drop a piece of trailing whitespace while here.

Reported-by: Aidan Allen <aidan.allen1@cloud.com>
Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Acked-by: Roger Pau Monné <roger.pau@citrix.com>
Tested-by: Aidan Allen <aidan.allen1@cloud.com>
xen/arch/x86/hvm/svm/vmcb.c patch | blob | blame | history
xen/arch/x86/hvm/vmx/vmcs.c patch | blob | blame | history

diff --git a/xen/arch/x86/hvm/svm/vmcb.c b/xen/arch/x86/hvm/svm/vmcb.c
index 4e1f61dbe038b95172189350328c81237e6477a3..839d3ff91b5aa19f25f6c66b03730c85d9370e0a 100644 (file)
--- a/xen/arch/x86/hvm/svm/vmcb.c
+++ b/xen/arch/x86/hvm/svm/vmcb.c
@@ -12,6 +12,8 @@
 #include <xen/mm.h>
 #include <xen/rcupdate.h>
 #include <xen/sched.h>
+#include <xen/softirq.h>
+
 #include <asm/hvm/svm/vmcb.h>
 #include <asm/msr-index.h>
 #include <asm/p2m.h>
@@ -246,6 +248,8 @@ static void cf_check vmcb_dump(unsigned char ch)
             }
             printk("\tVCPU %d\n", v->vcpu_id);
             svm_vmcb_dump("key_handler", v->arch.hvm.svm.vmcb);
+
+            process_pending_softirqs();
         }
     }
 
diff --git a/xen/arch/x86/hvm/vmx/vmcs.c b/xen/arch/x86/hvm/vmx/vmcs.c
index c86f73f6d11c451f247013374eaccd91d1f0f83a..e7fca4bf33dbb29b254ccbf5b803ec314dd296e4 100644 (file)
--- a/xen/arch/x86/hvm/vmx/vmcs.c
+++ b/xen/arch/x86/hvm/vmx/vmcs.c
@@ -2165,7 +2165,7 @@ static void cf_check vmcs_dump(unsigned char ch)
 {
     struct domain *d;
     struct vcpu *v;
-    
+
     printk("*********** VMCS Areas **************\n");
 
     rcu_read_lock(&domlist_read_lock);
@@ -2184,6 +2184,8 @@ static void cf_check vmcs_dump(unsigned char ch)
             }
             printk("\tVCPU %d\n", v->vcpu_id);
             vmcs_dump_vcpu(v);
+
+            process_pending_softirqs();
         }
     }
 
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