cpu-exec: reset exception_index correctly

Exception index is reset at every entry at every entry into cpu_exec()
function. This may cause missing the exceptions while replaying them.
This patch moves exception_index reset to the locations where they are
processed.

Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Pavel Dovgalyuk 2014-11-26 13:39:20 +03:00 committed by Paolo Bonzini
parent b4ac20b4df
commit e511b4d783
2 changed files with 5 additions and 1 deletions

3
cpus.c
View file

@ -934,6 +934,7 @@ static void *qemu_kvm_cpu_thread_fn(void *arg)
qemu_mutex_lock(&qemu_global_mutex);
qemu_thread_get_self(cpu->thread);
cpu->thread_id = qemu_get_thread_id();
cpu->exception_index = -1;
current_cpu = cpu;
r = kvm_init_vcpu(cpu);
@ -974,6 +975,7 @@ static void *qemu_dummy_cpu_thread_fn(void *arg)
qemu_mutex_lock_iothread();
qemu_thread_get_self(cpu->thread);
cpu->thread_id = qemu_get_thread_id();
cpu->exception_index = -1;
sigemptyset(&waitset);
sigaddset(&waitset, SIG_IPI);
@ -1016,6 +1018,7 @@ static void *qemu_tcg_cpu_thread_fn(void *arg)
CPU_FOREACH(cpu) {
cpu->thread_id = qemu_get_thread_id();
cpu->created = true;
cpu->exception_index = -1;
}
qemu_cond_signal(&qemu_cpu_cond);