When the KVM_REG_LOONGARCH_VCPU_RESET command word
is sent to the kernel through the kvm_set_one_reg interface,
the parameter source needs to be a legal address,
otherwise the kernel will return an error and the command word
will fail to be sent.
Signed-off-by: Xianglai Li <lixiang...@loongson.cn>
---
Cc: Bibo Mao <maob...@loongson.cn>
Cc: Philippe Mathieu-Daudé <phi...@linaro.org>
Cc: Song Gao <gaos...@loongson.cn>
Cc: Xianglai Li <lixiang...@loongson.cn>
CHANGE:
V3<-V2:
Optimize log output when function calls fail and exit the process
directly.
V2<-V1:
1.Sets the initial value of the variable and
adds a function return value judgment and prints a log
target/loongarch/kvm/kvm.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/target/loongarch/kvm/kvm.c b/target/loongarch/kvm/kvm.c
index a3f55155b0..27df02fa3a 100644
--- a/target/loongarch/kvm/kvm.c
+++ b/target/loongarch/kvm/kvm.c
@@ -581,9 +581,16 @@ static int kvm_loongarch_get_lbt(CPUState *cs)
void kvm_arch_reset_vcpu(CPUState *cs)
{
CPULoongArchState *env = cpu_env(cs);
+ int ret = 0;
+ uint64_t unused = 0;
env->mp_state = KVM_MP_STATE_RUNNABLE;
- kvm_set_one_reg(cs, KVM_REG_LOONGARCH_VCPU_RESET, 0);
+ ret = kvm_set_one_reg(cs, KVM_REG_LOONGARCH_VCPU_RESET, &unused);
+ if (ret) {
+ error_report("Failed to set KVM_REG_LOONGARCH_VCPU_RESET: %s",
+ strerror(errno));
+ exit(EXIT_FAILURE);
+ }
}
static int kvm_loongarch_get_mpstate(CPUState *cs)
--
2.39.1
