[Xen-devel] [PATCH v9 02/11] x86/hvm: Introduce hvm_save_tsc_adjust_one() func

[Alexandru Isaila <aisaila@xxxxxxxxxxxxxxx>]

This is used to save data from a single instance.

Signed-off-by: Alexandru Isaila <aisaila@xxxxxxxxxxxxxxx>

---
Changes since V8:
        - Move return check to the one function.
---
 xen/arch/x86/hvm/hvm.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/xen/arch/x86/hvm/hvm.c b/xen/arch/x86/hvm/hvm.c
index 93092d2..f51da00 100644
--- a/xen/arch/x86/hvm/hvm.c
+++ b/xen/arch/x86/hvm/hvm.c
@@ -740,20 +740,28 @@ void hvm_domain_destroy(struct domain *d)
     destroy_vpci_mmcfg(d);
 }
 
+static int hvm_save_tsc_adjust_one(struct vcpu *v, hvm_domain_context_t *h)
+ {
+    struct hvm_tsc_adjust ctxt;
+
+    ctxt.tsc_adjust = v->arch.hvm_vcpu.msr_tsc_adjust;
+
+    if ( hvm_save_entry(TSC_ADJUST, v->vcpu_id, h, &ctxt) != 0 )
+        return 1;
+    return 0;
+ }
+
 static int hvm_save_tsc_adjust(struct domain *d, hvm_domain_context_t *h)
 {
     struct vcpu *v;
-    struct hvm_tsc_adjust ctxt;
     int err = 0;
 
     for_each_vcpu ( d, v )
     {
-        ctxt.tsc_adjust = v->arch.hvm_vcpu.msr_tsc_adjust;
-        err = hvm_save_entry(TSC_ADJUST, v->vcpu_id, h, &ctxt);
+        err = hvm_save_tsc_adjust_one(v, h);
         if ( err )
             break;
     }
-
     return err;
 }
 
-- 
2.7.4


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