Patchwork [v3,05/17] target-i386: Add x86_set_hyperv.

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Submitter Don Slutz
Date Sept. 17, 2012, 1:39 p.m.
Message ID <1347889189-9199-9-git-send-email-Don@CloudSwitch.com>
Download mbox | patch
Permalink /patch/184443/
State New
Headers show

Comments

Don Slutz - Sept. 17, 2012, 1:39 p.m.
This is used to set the cpu object's hypervisor level to the default for Microsoft's Hypervisor.

Signed-off-by: Don Slutz <Don@CloudSwitch.com>
---
 target-i386/cpu.c |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)

Patch

diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index 0e4a18d..4120393 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -1192,6 +1192,13 @@  static void x86_cpuid_set_hv_level(Object *obj, Visitor *v, void *opaque,
 }
 
 #if !defined(CONFIG_USER_ONLY)
+static void x86_set_hyperv(Object *obj, Error **errp)
+{
+    X86CPU *cpu = X86_CPU(obj);
+
+    cpu->env.cpuid_hv_level = HYPERV_CPUID_MIN;
+}
+
 static void x86_get_hv_spinlocks(Object *obj, Visitor *v, void *opaque,
                                  const char *name, Error **errp)
 {
@@ -1214,6 +1221,7 @@  static void x86_set_hv_spinlocks(Object *obj, Visitor *v, void *opaque,
         return;
     }
     hyperv_set_spinlock_retries(value);
+    x86_set_hyperv(obj, errp);
 }
 
 static void x86_get_hv_relaxed(Object *obj, Visitor *v, void *opaque,
@@ -1234,6 +1242,7 @@  static void x86_set_hv_relaxed(Object *obj, Visitor *v, void *opaque,
         return;
     }
     hyperv_enable_relaxed_timing(value);
+    x86_set_hyperv(obj, errp);
 }
 
 static void x86_get_hv_vapic(Object *obj, Visitor *v, void *opaque,
@@ -1254,6 +1263,7 @@  static void x86_set_hv_vapic(Object *obj, Visitor *v, void *opaque,
         return;
     }
     hyperv_enable_vapic_recommended(value);
+    x86_set_hyperv(obj, errp);
 }
 #endif