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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq

Browse source 
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
  workqueue: remove in_workqueue_context()
  workqueue: Clarify that schedule_on_each_cpu is synchronous
  memory_hotplug: drop spurious calls to flush_scheduled_work()
  shpchp: update workqueue usage
  pciehp: update workqueue usage
  isdn/eicon: don't call flush_scheduled_work() from diva_os_remove_soft_isr()
  workqueue: add and use WQ_MEM_RECLAIM flag
  workqueue: fix HIGHPRI handling in keep_working()
  workqueue: add queue_work and activate_work trace points
  workqueue: prepare for more tracepoints
  workqueue: implement flush[_delayed]_work_sync()
  workqueue: factor out start_flush_work()
  workqueue: cleanup flush/cancel functions
  workqueue: implement alloc_ordered_workqueue()

Fix up trivial conflict in fs/gfs2/main.c as per Tejun
This commit is contained in:
Linus Torvalds 2010-10-22 17:13:10 -07:00
commit 91b745016c
17 changed files with 363 additions and 218 deletions
Download patch file Download diff file Expand all files Collapse all files

2
drivers/pci/hotplug/pciehp.h
View file

@ -36,6 +36,7 @@
#include <linux/sched.h> /* signal_pending() */
#include <linux/pcieport_if.h>
#include <linux/mutex.h>
#include <linux/workqueue.h>
#define MY_NAME "pciehp"
@ -44,6 +45,7 @@ extern int pciehp_poll_time;
extern int pciehp_debug;
extern int pciehp_force;
extern struct workqueue_struct *pciehp_wq;
extern struct workqueue_struct *pciehp_ordered_wq;
#define dbg(format, arg...) \
do { \

18
drivers/pci/hotplug/pciehp_core.c
View file

@ -43,6 +43,7 @@ int pciehp_poll_mode;
int pciehp_poll_time;
int pciehp_force;
struct workqueue_struct *pciehp_wq;
struct workqueue_struct *pciehp_ordered_wq;
#define DRIVER_VERSION "0.4"
#define DRIVER_AUTHOR "Dan Zink <[email protected]>, Greg Kroah-Hartman <[email protected]>, Dely Sy <[email protected]>"
@ -340,18 +341,33 @@ static int __init pcied_init(void)
{
int retval = 0;
pciehp_wq = alloc_workqueue("pciehp", 0, 0);
if (!pciehp_wq)
return -ENOMEM;
pciehp_ordered_wq = alloc_ordered_workqueue("pciehp_ordered", 0);
if (!pciehp_ordered_wq) {
destroy_workqueue(pciehp_wq);
return -ENOMEM;
}
pciehp_firmware_init();
retval = pcie_port_service_register(&hpdriver_portdrv);
dbg("pcie_port_service_register = %d\n", retval);
info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
if (retval)
if (retval) {
destroy_workqueue(pciehp_ordered_wq);
destroy_workqueue(pciehp_wq);
dbg("Failure to register service\n");
}
return retval;
}
static void __exit pcied_cleanup(void)
{
dbg("unload_pciehpd()\n");
destroy_workqueue(pciehp_ordered_wq);
destroy_workqueue(pciehp_wq);
pcie_port_service_unregister(&hpdriver_portdrv);
info(DRIVER_DESC " version: " DRIVER_VERSION " unloaded\n");
}

9
drivers/pci/hotplug/pciehp_ctrl.c
View file

@ -32,7 +32,6 @@
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/pci.h>
#include <linux/workqueue.h>
#include "../pci.h"
#include "pciehp.h"
@ -50,7 +49,7 @@ static int queue_interrupt_event(struct slot *p_slot, u32 event_type)
info->p_slot = p_slot;
INIT_WORK(&info->work, interrupt_event_handler);
schedule_work(&info->work);
queue_work(pciehp_wq, &info->work);
return 0;
}
@ -345,7 +344,7 @@ void pciehp_queue_pushbutton_work(struct work_struct *work)
kfree(info);
goto out;
}
queue_work(pciehp_wq, &info->work);
queue_work(pciehp_ordered_wq, &info->work);
out:
mutex_unlock(&p_slot->lock);
}
@ -378,7 +377,7 @@ static void handle_button_press_event(struct slot *p_slot)
if (ATTN_LED(ctrl))
pciehp_set_attention_status(p_slot, 0);
schedule_delayed_work(&p_slot->work, 5*HZ);
queue_delayed_work(pciehp_wq, &p_slot->work, 5*HZ);
break;
case BLINKINGOFF_STATE:
case BLINKINGON_STATE:
@ -440,7 +439,7 @@ static void handle_surprise_event(struct slot *p_slot)
else
p_slot->state = POWERON_STATE;
queue_work(pciehp_wq, &info->work);
queue_work(pciehp_ordered_wq, &info->work);
}
static void interrupt_event_handler(struct work_struct *work)

20
drivers/pci/hotplug/pciehp_hpc.c
View file

@ -41,8 +41,6 @@
#include "../pci.h"
#include "pciehp.h"
static atomic_t pciehp_num_controllers = ATOMIC_INIT(0);
static inline int pciehp_readw(struct controller *ctrl, int reg, u16 *value)
{
struct pci_dev *dev = ctrl->pcie->port;
@ -805,8 +803,8 @@ static void pcie_cleanup_slot(struct controller *ctrl)
{
struct slot *slot = ctrl->slot;
cancel_delayed_work(&slot->work);
flush_scheduled_work();
flush_workqueue(pciehp_wq);
flush_workqueue(pciehp_ordered_wq);
kfree(slot);
}
@ -912,16 +910,6 @@ struct controller *pcie_init(struct pcie_device *dev)
/* Disable sotfware notification */
pcie_disable_notification(ctrl);
/*
* If this is the first controller to be initialized,
* initialize the pciehp work queue
*/
if (atomic_add_return(1, &pciehp_num_controllers) == 1) {
pciehp_wq = create_singlethread_workqueue("pciehpd");
if (!pciehp_wq)
goto abort_ctrl;
}
ctrl_info(ctrl, "HPC vendor_id %x device_id %x ss_vid %x ss_did %x\n",
pdev->vendor, pdev->device, pdev->subsystem_vendor,
pdev->subsystem_device);
@ -941,11 +929,5 @@ void pciehp_release_ctrl(struct controller *ctrl)
{
pcie_shutdown_notification(ctrl);
pcie_cleanup_slot(ctrl);
/*
* If this is the last controller to be released, destroy the
* pciehp work queue
*/
if (atomic_dec_and_test(&pciehp_num_controllers))
destroy_workqueue(pciehp_wq);
kfree(ctrl);
}

2
drivers/pci/hotplug/shpchp.h
View file

@ -35,6 +35,7 @@
#include <linux/delay.h>
#include <linux/sched.h> /* signal_pending(), struct timer_list */
#include <linux/mutex.h>
#include <linux/workqueue.h>
#if !defined(MODULE)
#define MY_NAME "shpchp"
@ -46,6 +47,7 @@ extern int shpchp_poll_mode;
extern int shpchp_poll_time;
extern int shpchp_debug;
extern struct workqueue_struct *shpchp_wq;
extern struct workqueue_struct *shpchp_ordered_wq;
#define dbg(format, arg...) \
do { \

20
drivers/pci/hotplug/shpchp_core.c
View file

@ -33,7 +33,6 @@
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/pci.h>
#include <linux/workqueue.h>
#include "shpchp.h"
/* Global variables */
@ -41,6 +40,7 @@ int shpchp_debug;
int shpchp_poll_mode;
int shpchp_poll_time;
struct workqueue_struct *shpchp_wq;
struct workqueue_struct *shpchp_ordered_wq;
#define DRIVER_VERSION "0.4"
#define DRIVER_AUTHOR "Dan Zink <[email protected]>, Greg Kroah-Hartman <[email protected]>, Dely Sy <[email protected]>"
@ -174,8 +174,8 @@ void cleanup_slots(struct controller *ctrl)
slot = list_entry(tmp, struct slot, slot_list);
list_del(&slot->slot_list);
cancel_delayed_work(&slot->work);
flush_scheduled_work();
flush_workqueue(shpchp_wq);
flush_workqueue(shpchp_ordered_wq);
pci_hp_deregister(slot->hotplug_slot);
}
}
@ -360,9 +360,23 @@ static int __init shpcd_init(void)
{
int retval = 0;
shpchp_wq = alloc_ordered_workqueue("shpchp", 0);
if (!shpchp_wq)
return -ENOMEM;
shpchp_ordered_wq = alloc_ordered_workqueue("shpchp_ordered", 0);
if (!shpchp_ordered_wq) {
destroy_workqueue(shpchp_wq);
return -ENOMEM;
}
retval = pci_register_driver(&shpc_driver);
dbg("%s: pci_register_driver = %d\n", __func__, retval);
info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
if (retval) {
destroy_workqueue(shpchp_ordered_wq);
destroy_workqueue(shpchp_wq);
}
return retval;
}
@ -370,6 +384,8 @@ static void __exit shpcd_cleanup(void)
{
dbg("unload_shpchpd()\n");
pci_unregister_driver(&shpc_driver);
destroy_workqueue(shpchp_ordered_wq);
destroy_workqueue(shpchp_wq);
info(DRIVER_DESC " version: " DRIVER_VERSION " unloaded\n");
}

7
drivers/pci/hotplug/shpchp_ctrl.c
View file

@ -32,7 +32,6 @@
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/pci.h>
#include <linux/workqueue.h>
#include "../pci.h"
#include "shpchp.h"
@ -52,7 +51,7 @@ static int queue_interrupt_event(struct slot *p_slot, u32 event_type)
info->p_slot = p_slot;
INIT_WORK(&info->work, interrupt_event_handler);
schedule_work(&info->work);
queue_work(shpchp_wq, &info->work);
return 0;
}
@ -457,7 +456,7 @@ void shpchp_queue_pushbutton_work(struct work_struct *work)
kfree(info);
goto out;
}
queue_work(shpchp_wq, &info->work);
queue_work(shpchp_ordered_wq, &info->work);
out:
mutex_unlock(&p_slot->lock);
}
@ -505,7 +504,7 @@ static void handle_button_press_event(struct slot *p_slot)
p_slot->hpc_ops->green_led_blink(p_slot);
p_slot->hpc_ops->set_attention_status(p_slot, 0);
schedule_delayed_work(&p_slot->work, 5*HZ);
queue_delayed_work(shpchp_wq, &p_slot->work, 5*HZ);
break;
case BLINKINGOFF_STATE:
case BLINKINGON_STATE:

26
drivers/pci/hotplug/shpchp_hpc.c
View file

@ -179,8 +179,6 @@
#define SLOT_EVENT_LATCH 0x2
#define SLOT_SERR_INT_MASK 0x3
static atomic_t shpchp_num_controllers = ATOMIC_INIT(0);
static irqreturn_t shpc_isr(int irq, void *dev_id);
static void start_int_poll_timer(struct controller *ctrl, int sec);
static int hpc_check_cmd_status(struct controller *ctrl);
@ -614,13 +612,6 @@ static void hpc_release_ctlr(struct controller *ctrl)
iounmap(ctrl->creg);
release_mem_region(ctrl->mmio_base, ctrl->mmio_size);
/*
* If this is the last controller to be released, destroy the
* shpchpd work queue
*/
if (atomic_dec_and_test(&shpchp_num_controllers))
destroy_workqueue(shpchp_wq);
}
static int hpc_power_on_slot(struct slot * slot)
@ -1077,9 +1068,8 @@ int shpc_init(struct controller *ctrl, struct pci_dev *pdev)
rc = request_irq(ctrl->pci_dev->irq, shpc_isr, IRQF_SHARED,
MY_NAME, (void *)ctrl);
ctrl_dbg(ctrl, "request_irq %d for hpc%d (returns %d)\n",
ctrl->pci_dev->irq,
atomic_read(&shpchp_num_controllers), rc);
ctrl_dbg(ctrl, "request_irq %d (returns %d)\n",
ctrl->pci_dev->irq, rc);
if (rc) {
ctrl_err(ctrl, "Can't get irq %d for the hotplug "
"controller\n", ctrl->pci_dev->irq);
@ -1091,18 +1081,6 @@ int shpc_init(struct controller *ctrl, struct pci_dev *pdev)
shpc_get_max_bus_speed(ctrl);
shpc_get_cur_bus_speed(ctrl);
/*
* If this is the first controller to be initialized,
* initialize the shpchpd work queue
*/
if (atomic_add_return(1, &shpchp_num_controllers) == 1) {
shpchp_wq = create_singlethread_workqueue("shpchpd");
if (!shpchp_wq) {
rc = -ENOMEM;
goto abort_iounmap;
}
}
/*
* Unmask all event interrupts of all slots
*/