|
 |
4ec855 |
From aaf60450da6b0bc4723028aeab9ced75ee03111b Mon Sep 17 00:00:00 2001
|
|
|
4ec855 |
From: Paolo Bonzini <pbonzini@redhat.com>
|
|
|
4ec855 |
Date: Mon, 22 Jul 2019 18:22:20 +0100
|
|
|
4ec855 |
Subject: [PATCH 39/39] i386/kvm: Do not sync nested state during runtime
|
|
|
4ec855 |
|
|
|
4ec855 |
RH-Author: Paolo Bonzini <pbonzini@redhat.com>
|
|
|
4ec855 |
Message-id: <20190722182220.19374-19-pbonzini@redhat.com>
|
|
|
4ec855 |
Patchwork-id: 89635
|
|
|
4ec855 |
O-Subject: [RHEL-8.1.0 PATCH qemu-kvm v3 18/18] i386/kvm: Do not sync nested state during runtime
|
|
|
4ec855 |
Bugzilla: 1689269
|
|
|
4ec855 |
RH-Acked-by: Peter Xu <zhexu@redhat.com>
|
|
|
4ec855 |
RH-Acked-by: Laurent Vivier <lvivier@redhat.com>
|
|
|
4ec855 |
RH-Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
|
|
|
4ec855 |
|
|
|
4ec855 |
From: Jan Kiszka <jan.kiszka@siemens.com>
|
|
|
4ec855 |
|
|
|
4ec855 |
Writing the nested state e.g. after a vmport access can invalidate
|
|
|
4ec855 |
important parts of the kernel-internal state, and it is not needed as
|
|
|
4ec855 |
well. So leave this out from KVM_PUT_RUNTIME_STATE.
|
|
|
4ec855 |
|
|
|
4ec855 |
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
|
|
|
4ec855 |
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
|
|
|
4ec855 |
Message-Id: <bdd53f40-4e60-f3ae-7ec6-162198214953@siemens.com>
|
|
|
4ec855 |
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
|
|
|
4ec855 |
(cherry picked from commit 20b25d239ab7a94bb8bff3d0f13a9527ee75cf10)
|
|
|
4ec855 |
Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
|
|
|
4ec855 |
---
|
|
|
4ec855 |
target/i386/kvm.c | 10 +++++-----
|
|
|
4ec855 |
1 file changed, 5 insertions(+), 5 deletions(-)
|
|
|
4ec855 |
|
|
|
4ec855 |
diff --git a/target/i386/kvm.c b/target/i386/kvm.c
|
|
|
4ec855 |
index 8648f1f..da5f07e 100644
|
|
|
4ec855 |
--- a/target/i386/kvm.c
|
|
|
4ec855 |
+++ b/target/i386/kvm.c
|
|
|
4ec855 |
@@ -3014,12 +3014,12 @@ int kvm_arch_put_registers(CPUState *cpu, int level)
|
|
|
4ec855 |
|
|
|
4ec855 |
assert(cpu_is_stopped(cpu) || qemu_cpu_is_self(cpu));
|
|
|
4ec855 |
|
|
|
4ec855 |
- ret = kvm_put_nested_state(x86_cpu);
|
|
|
4ec855 |
- if (ret < 0) {
|
|
|
4ec855 |
- return ret;
|
|
|
4ec855 |
- }
|
|
|
4ec855 |
-
|
|
|
4ec855 |
if (level >= KVM_PUT_RESET_STATE) {
|
|
|
4ec855 |
+ ret = kvm_put_nested_state(x86_cpu);
|
|
|
4ec855 |
+ if (ret < 0) {
|
|
|
4ec855 |
+ return ret;
|
|
|
4ec855 |
+ }
|
|
|
4ec855 |
+
|
|
|
4ec855 |
ret = kvm_put_msr_feature_control(x86_cpu);
|
|
|
4ec855 |
if (ret < 0) {
|
|
|
4ec855 |
return ret;
|
|
|
4ec855 |
--
|
|
|
4ec855 |
1.8.3.1
|
|
|
4ec855 |
|