From: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
Validate that KVM vcpu state is only read/written from cpu thread itself
or that cpu is stopped.
Signed-off-by: Marcelo Tosatti <mtosatti@xxxxxxxxxx>
Signed-off-by: Avi Kivity <avi@xxxxxxxxxx>
---
target-i386/kvm.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index f73b47b..c9ec72e 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -949,6 +949,8 @@ int kvm_arch_put_registers(CPUState *env, int level)
{
int ret;
+ assert(cpu_is_stopped(env) || qemu_cpu_self(env));
+
ret = kvm_getput_regs(env, 1);
if (ret < 0)
return ret;
@@ -991,6 +993,8 @@ int kvm_arch_get_registers(CPUState *env)
{
int ret;
+ assert(cpu_is_stopped(env) || qemu_cpu_self(env));
+
ret = kvm_getput_regs(env, 0);
if (ret < 0)
return ret;
--
1.6.6.1
--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
