diff options
Diffstat (limited to 'drivers/pci/hotplug/pciehp_ctrl.c')
| -rw-r--r-- | drivers/pci/hotplug/pciehp_ctrl.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c index 529c34808440..119bb11f87d6 100644 --- a/drivers/pci/hotplug/pciehp_ctrl.c +++ b/drivers/pci/hotplug/pciehp_ctrl.c @@ -15,12 +15,17 @@ #define dev_fmt(fmt) "pciehp: " fmt +#include <linux/moduleparam.h> #include <linux/kernel.h> #include <linux/types.h> #include <linux/pm_runtime.h> #include <linux/pci.h> #include "pciehp.h" +static bool fast_virtual_unplug = true; +module_param(fast_virtual_unplug, bool, 0644); +MODULE_PARM_DESC(fast_virtual_unplug, "Fast unplug (don't wait 5 seconds) for virtual machines."); + /* The following routines constitute the bulk of the hotplug controller logic */ @@ -176,7 +181,11 @@ void pciehp_handle_button_press(struct controller *ctrl) /* blink power indicator and turn off attention */ pciehp_set_indicators(ctrl, PCI_EXP_SLTCTL_PWR_IND_BLINK, PCI_EXP_SLTCTL_ATTN_IND_OFF); - schedule_delayed_work(&ctrl->button_work, 5 * HZ); + if (ctrl->is_virtual && fast_virtual_unplug) { + schedule_delayed_work(&ctrl->button_work, 1); + } else { + schedule_delayed_work(&ctrl->button_work, 5 * HZ); + } break; case BLINKINGOFF_STATE: case BLINKINGON_STATE: |