[33/35] kvm, x86: temporary disable record_steal_time for dmem

Commit Message

yulei zhang Oct. 8, 2020, 7:54 a.m. UTC

From: Yulei Zhang <[e-mail]>

Temporarily disable record_steal_time when entering
the guest for dmem.

Signed-off-by: Yulei Zhang <[e-mail]>
---
 arch/x86/kvm/x86.c | 2 ++
 1 file changed, 2 insertions(+)

Patch

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 1994602a0851..409b5a68aa60 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2789,6 +2789,7 @@  static void kvm_vcpu_flush_tlb_guest(struct kvm_vcpu *vcpu)
 
 static void record_steal_time(struct kvm_vcpu *vcpu)
 {
+#if 0
 	struct kvm_host_map map;
 	struct kvm_steal_time *st;
 
@@ -2830,6 +2831,7 @@  static void record_steal_time(struct kvm_vcpu *vcpu)
 	st->version += 1;
 
 	kvm_unmap_gfn(vcpu, &map, &vcpu->arch.st.cache, true, false);
+#endif
 }
 
 int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info)