[Xen-devel] [PATCH v5 7/8] x86/hvm: Introduce viridian_save_vcpu_ctxt_one() func

[Alexandru Isaila <aisaila@xxxxxxxxxxxxxxx>]

This is used to save data from a single instance.

Signed-off-by: Alexandru Isaila <aisaila@xxxxxxxxxxxxxxx>
---
 xen/arch/x86/hvm/viridian.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/xen/arch/x86/hvm/viridian.c b/xen/arch/x86/hvm/viridian.c
index 694eae6..d22c8ac 100644
--- a/xen/arch/x86/hvm/viridian.c
+++ b/xen/arch/x86/hvm/viridian.c
@@ -1026,6 +1026,13 @@ static int viridian_load_domain_ctxt(struct domain *d, 
hvm_domain_context_t *h)
 HVM_REGISTER_SAVE_RESTORE(VIRIDIAN_DOMAIN, viridian_save_domain_ctxt,
                           viridian_load_domain_ctxt, 1, HVMSR_PER_DOM);
 
+static void viridian_save_vcpu_ctxt_one(struct vcpu *v, struct 
hvm_viridian_vcpu_context *ctxt)
+{
+    ctxt->vp_assist_msr = v->arch.hvm_vcpu.viridian.vp_assist.msr.raw;
+    ctxt->vp_assist_pending = v->arch.hvm_vcpu.viridian.vp_assist.pending;
+    *ctxt->_pad = 0;
+}
+
 static int viridian_save_vcpu_ctxt(struct domain *d, hvm_domain_context_t *h)
 {
     struct vcpu *v;
@@ -1034,10 +1041,9 @@ static int viridian_save_vcpu_ctxt(struct domain *d, 
hvm_domain_context_t *h)
         return 0;
 
     for_each_vcpu( d, v ) {
-        struct hvm_viridian_vcpu_context ctxt = {
-            .vp_assist_msr = v->arch.hvm_vcpu.viridian.vp_assist.msr.raw,
-            .vp_assist_pending = v->arch.hvm_vcpu.viridian.vp_assist.pending,
-        };
+        struct hvm_viridian_vcpu_context ctxt;
+
+        viridian_save_vcpu_ctxt_one(v, &ctxt);
 
         if ( hvm_save_entry(VIRIDIAN_VCPU, v->vcpu_id, h, &ctxt) != 0 )
             return 1;
-- 
2.7.4


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