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Diffstat (limited to 'target-s390x/cpu.c')
-rw-r--r--target-s390x/cpu.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/target-s390x/cpu.c b/target-s390x/cpu.c
index ff57b806e4..1a8c1cc39f 100644
--- a/target-s390x/cpu.c
+++ b/target-s390x/cpu.c
@@ -83,6 +83,7 @@ static void s390_cpu_reset(CPUState *s)
S390CPUClass *scc = S390_CPU_GET_CLASS(cpu);
CPUS390XState *env = &cpu->env;
+ env->pfault_token = -1UL;
s390_del_running_cpu(cpu);
scc->parent_reset(s);
#if !defined(CONFIG_USER_ONLY)
@@ -105,6 +106,17 @@ static void s390_cpu_initial_reset(CPUState *s)
/* architectured initial values for CR 0 and 14 */
env->cregs[0] = CR0_RESET;
env->cregs[14] = CR14_RESET;
+
+ env->pfault_token = -1UL;
+
+#if defined(CONFIG_KVM)
+ /* Reset state inside the kernel that we cannot access yet from QEMU. */
+ if (kvm_enabled()) {
+ if (kvm_vcpu_ioctl(s, KVM_S390_INITIAL_RESET, NULL)) {
+ perror("Initial CPU reset failed");
+ }
+ }
+#endif
}
/* CPUClass:reset() */
@@ -123,6 +135,9 @@ static void s390_cpu_full_reset(CPUState *s)
/* architectured initial values for CR 0 and 14 */
env->cregs[0] = CR0_RESET;
env->cregs[14] = CR14_RESET;
+
+ env->pfault_token = -1UL;
+
/* set halted to 1 to make sure we can add the cpu in
* s390_ipl_cpu code, where CPUState::halted is set back to 0
* after incrementing the cpu counter */