static void mce_checkregs (void *info)
{
mctelem_cookie_t mctc;
struct mca_summary bs;
static uint64_t dumpcount = 0;
mctc = mcheck_mca_logout(MCA_POLLER, __get_cpu_var(poll_bankmask), &bs, NULL);
if (bs.errcnt && mctc != NULL) {
adjust++;
/* If Dom0 enabled the VIRQ_MCA event, then notify it.
* Otherwise, if dom0 has had plenty of time to register
* the virq handler but still hasn't then dump telemetry
* to the Xen console. The call count may be incremented
* on multiple cpus at once and is indicative only - just
* a simple-minded attempt to avoid spamming the console
* for corrected errors in early startup.
*/
if (dom0_vmce_enabled()) {
mctelem_commit(mctc);
send_global_virq(VIRQ_MCA);
} else if (++dumpcount >= 10) {
x86_mcinfo_dump((struct mc_info *)mctelem_dataptr(mctc));
mctelem_dismiss(mctc);
} else {
mctelem_dismiss(mctc);
}
} else if (mctc != NULL) {
mctelem_dismiss(mctc);
}
}
static void __serial_rx(char c, struct cpu_user_regs *regs)
{
if ( xen_rx )
return handle_keypress(c, regs);
/* Deliver input to guest buffer, unless it is already full. */
if ( (serial_rx_prod-serial_rx_cons) != SERIAL_RX_SIZE )
serial_rx_ring[SERIAL_RX_MASK(serial_rx_prod++)] = c;
/* Always notify the guest: prevents receive path from getting stuck. */
send_global_virq(VIRQ_CONSOLE);
}
static void __domain_finalise_shutdown(struct domain *d)
{
struct vcpu *v;
BUG_ON(!spin_is_locked(&d->shutdown_lock));
if ( d->is_shut_down )
return;
for_each_vcpu ( d, v )
if ( !v->paused_for_shutdown )
return;
d->is_shut_down = 1;
if ( (d->shutdown_code == SHUTDOWN_suspend) && d->suspend_evtchn )
evtchn_send(d, d->suspend_evtchn);
else
send_global_virq(VIRQ_DOM_EXC);
}
static void notify_dom0_con_ring(unsigned long unused)
{
send_global_virq(VIRQ_CON_RING);
}
