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tweak qemu_notify_event 

Instead of testing specially next_cpu in host_alarm_handler, just do
that in qemu_notify_event.  The idea is, if we are not running (or
not yet running) target CPU code, prepare things so that the execution
loop is exited asap; just make that clear.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Paolo Bonzini 2010-03-10 11:38:43 +01:00 committed by Anthony Liguori
parent 7a5e583811
commit 1db89e9123
1 changed files with 3 additions and 7 deletions
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vl.c
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@ -1055,13 +1055,6 @@ static void host_alarm_handler(int host_signum)
qemu_get_clock(host_clock))) {
t->expired = alarm_has_dynticks(t);
#ifndef CONFIG_IOTHREAD
if (next_cpu) {
/* stop the currently executing cpu because a timer occured */
cpu_exit(next_cpu);
}
#endif
t->pending = 1;
qemu_notify_event();
}
@ -3364,6 +3357,9 @@ void qemu_notify_event(void)
if (env) {
cpu_exit(env);
}
if (next_cpu && env != next_cpu) {
cpu_exit(next_cpu);
}
}
void qemu_mutex_lock_iothread(void) {}