diff options
| -rw-r--r-- | sys/dev/acpica/acpi_hpet.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/sys/dev/acpica/acpi_hpet.c b/sys/dev/acpica/acpi_hpet.c index bc8cd85..2a8eb30 100644 --- a/sys/dev/acpica/acpi_hpet.c +++ b/sys/dev/acpica/acpi_hpet.c @@ -74,6 +74,7 @@ struct hpet_softc { int irq; int useirq; int legacy_route; + int per_cpu; uint32_t allowed_irqs; struct resource *mem_res; struct resource *intr_res; @@ -501,6 +502,11 @@ hpet_attach(device_t dev) resource_int_value(device_get_name(dev), device_get_unit(dev), "allowed_irqs", &sc->allowed_irqs); + /* Get how much per-CPU timers we should try to provide. */ + sc->per_cpu = 1; + resource_int_value(device_get_name(dev), device_get_unit(dev), + "per_cpu", &sc->per_cpu); + num_msi = 0; sc->useirq = 0; /* Find IRQ vectors for all timers. */ @@ -556,7 +562,7 @@ hpet_attach(device_t dev) if (sc->legacy_route) hpet_enable(sc); /* Group timers for per-CPU operation. */ - num_percpu_et = min(num_msi / mp_ncpus, 1); + num_percpu_et = min(num_msi / mp_ncpus, sc->per_cpu); num_percpu_t = num_percpu_et * mp_ncpus; pcpu_master = 0; cur_cpu = CPU_FIRST(); |
