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(-)b/sys/dev/acpica/acpi_cpu.c (-1 / +10 lines)
Lines 403-410 acpi_cpu_attach(device_t dev) Link Here
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     * Work around a lingering SMM bug which leads to freezes when handling
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     * Work around a lingering SMM bug which leads to freezes when handling
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     * CPPC notifications. Tell the SMM we will handle any CPPC notifications.
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     * CPPC notifications. Tell the SMM we will handle any CPPC notifications.
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     */
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     */
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    if ((cpu_power_eax & CPUTPM1_HWP_NOTIFICATION) && cppc_notify)
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    if ((cpu_power_eax & CPUTPM1_HWP_NOTIFICATION) && cppc_notify) {
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	    device_printf(dev, "==> DEBUG: OK\n");
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	    sc->cpu_features |= ACPI_CAP_INTR_CPPC;
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	    sc->cpu_features |= ACPI_CAP_INTR_CPPC;
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    } else {
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      device_printf(dev, "==> DEBUG: res: %d eax: 0x%x mask: 0x%x "
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		    "cppc_notify: %d\n",
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		    (cpu_power_eax & CPUTPM1_HWP_NOTIFICATION),
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		    cpu_power_eax, CPUTPM1_HWP_NOTIFICATION,
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		    cppc_notify);
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    }
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#endif
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#endif
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    if (devclass_get_drivers(acpi_cpu_devclass, &drivers, &drv_count) == 0) {
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    if (devclass_get_drivers(acpi_cpu_devclass, &drivers, &drv_count) == 0) {
Lines 990-995 acpi_cpu_startup(void *arg) Link Here
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    SYSCTL_ADD_BOOL(&cpu_sysctl_ctx, SYSCTL_CHILDREN(cpu_sysctl_tree),
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    SYSCTL_ADD_BOOL(&cpu_sysctl_ctx, SYSCTL_CHILDREN(cpu_sysctl_tree),
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	OID_AUTO, "cppc_notify", CTLFLAG_RDTUN | CTLFLAG_MPSAFE,
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	OID_AUTO, "cppc_notify", CTLFLAG_RDTUN | CTLFLAG_MPSAFE,
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	&cppc_notify, 0, "Register for CPPC Notifications");
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	&cppc_notify, 0, "Register for CPPC Notifications");
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    device_printf(sc->cpu_dev, "==> DEBUG init cppc_notify: %d\n", cppc_notify);
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    /* Take over idling from cpu_idle_default(). */
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    /* Take over idling from cpu_idle_default(). */
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    cpu_cx_lowest_lim = 0;
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    cpu_cx_lowest_lim = 0;

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