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kvm: Fix guest single-stepping

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Hopefully the last regression of 4c0960c0: KVM_SET_GUEST_DEBUG requires
properly synchronized guest registers (on x86: eflags) on entry.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Jan Kiszka 2009-09-17 20:05:58 +02:00 committed by Anthony Liguori
parent 5f30fa18ad
commit b3807725f6
1 changed files with 7 additions and 1 deletions
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8
kvm-all.c
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@ -938,7 +938,13 @@ struct kvm_set_guest_debug_data {
static void kvm_invoke_set_guest_debug(void *data)
{
struct kvm_set_guest_debug_data *dbg_data = data;
dbg_data->err = kvm_vcpu_ioctl(dbg_data->env, KVM_SET_GUEST_DEBUG, &dbg_data->dbg);
CPUState *env = dbg_data->env;
if (env->kvm_state->regs_modified) {
kvm_arch_put_registers(env);
env->kvm_state->regs_modified = 0;
}
dbg_data->err = kvm_vcpu_ioctl(env, KVM_SET_GUEST_DEBUG, &dbg_data->dbg);
}
int kvm_update_guest_debug(CPUState *env, unsigned long reinject_trap)