commit fabacc0f79ccfe9b8b34e6b9ed35ffd17415c918
author Jan Kiszka <jan.kiszka@siemens.com> Thu Oct 27 19:25:58 2011 +0200
committer Marcelo Tosatti <mtosatti@redhat.com> Thu Dec 22 14:53:01 2011 -0200
tree 8a423f15fbe10e10c881026a8ee2043e57fcadb8
parent 6b42494b219a3beb755bc52419c731aa70efe93d

kvm: x86: Avoid runtime allocation of xsave buffer

Keep a per-VCPU xsave buffer for kvm_put/get_xsave instead of
continuously allocating and freeing it on state sync.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

target-i386/cpu.h

diff --git a/target-i386/cpu.h b/target-i386/cpu.h
index a08ce9d..37dde79 100644
--- a/target-i386/cpu.h
+++ b/target-i386/cpu.h
@@ -751,7 +751,8 @@
     uint32_t cpuid_svm_features;
     bool tsc_valid;
     int tsc_khz;
-    
+    void *kvm_xsave_buf;
+
     /* in order to simplify APIC support, we leave this pointer to the
        user */
     struct DeviceState *apic_state;