static void flat_send_IPI_all(int vector)
{
if (vector == NMI_VECTOR) {
flat_send_IPI_mask(cpu_online_mask, vector);
} else {
__default_send_IPI_shortcut(APIC_DEST_ALLINC,
vector, apic->dest_logical);
}
}
static void
send_ipi_interrupt(cpumask_t *mask, int vector)
{
# if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 18)
/***********************************************/
/* Theres 'flat' and theres 'cluster'. The */
/* cluster functions handle more than 8 */
/* cpus. The flat does not - since the APIC */
/* only has room for an 8-bit cpu mask. */
/***********************************************/
static void (*send_IPI_mask)(cpumask_t, int);
if (send_IPI_mask == NULL)
send_IPI_mask = get_proc_addr("cluster_send_IPI_mask");
if (send_IPI_mask == NULL) dtrace_printf("HELP ON send_ipi_interrupt!\n"); else
send_IPI_mask(*mask, vector);
# elif LINUX_VERSION_CODE == KERNEL_VERSION(2, 6, 28)
/***********************************************/
/* Issue with GPL/inlined function. */
/***********************************************/
{
void send_IPI_mask_sequence(cpumask_t mask, int vector);
static void (*send_IPI_mask_sequence_ptr)(cpumask_t, int);
if (send_IPI_mask_sequence_ptr == NULL)
send_IPI_mask_sequence_ptr = get_proc_addr("send_IPI_mask_sequence");
send_IPI_mask_sequence_ptr(*mask, vector);
}
# elif LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 28)
send_IPI_mask(*mask, vector);
# else
if (x_apic == NULL) {
static void (*flat_send_IPI_mask)(cpumask_t *, int);
if (flat_send_IPI_mask == NULL)
flat_send_IPI_mask = get_proc_addr("flat_send_IPI_mask");
if (flat_send_IPI_mask) {
flat_send_IPI_mask(mask, vector);
return;
}
dtrace_linux_panic("x_apic is null - giving up\n");
return;
}
x_apic->send_IPI_mask(mask, vector);
# endif
}
