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    Subject[PATCH] cpqphp: Convert to use the kthread API
    Date
    From: Eric W. Biederman <ebiederm@xmission.com> - unquoted

    This patch changes cpqphp to use kthread_run and not
    kernel_thread and daemonize to startup and setup
    the cpqphp thread.

    Cc: Greg Kroah-Hartman <gregkh@suse.de>
    Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
    ---
    drivers/pci/hotplug/cpqphp_ctrl.c | 12 ++++--------
    1 files changed, 4 insertions(+), 8 deletions(-)

    diff --git a/drivers/pci/hotplug/cpqphp_ctrl.c b/drivers/pci/hotplug/cpqphp_ctrl.c
    index 79ff6b4..c2c06c4 100644
    --- a/drivers/pci/hotplug/cpqphp_ctrl.c
    +++ b/drivers/pci/hotplug/cpqphp_ctrl.c
    @@ -37,6 +37,7 @@
    #include <linux/smp_lock.h>
    #include <linux/pci.h>
    #include <linux/pci_hotplug.h>
    +#include <linux/kthread.h>
    #include "cpqphp.h"

    static u32 configure_new_device(struct controller* ctrl, struct pci_func *func,
    @@ -1746,10 +1747,6 @@ static void pushbutton_helper_thread(unsigned long data)
    static int event_thread(void* data)
    {
    struct controller *ctrl;
    - lock_kernel();
    - daemonize("phpd_event");
    -
    - unlock_kernel();

    while (1) {
    dbg("!!!!event_thread sleeping\n");
    @@ -1771,7 +1768,7 @@ static int event_thread(void* data)

    int cpqhp_event_start_thread(void)
    {
    - int pid;
    + struct task_struct *task;

    /* initialize our semaphores */
    init_MUTEX(&delay_sem);
    @@ -1779,12 +1776,11 @@ int cpqhp_event_start_thread(void)
    init_MUTEX_LOCKED(&event_exit);
    event_finished=0;

    - pid = kernel_thread(event_thread, NULL, 0);
    - if (pid < 0) {
    + task = kthread_run(event_thread, NULL, "phpd_event");
    + if (IS_ERR(task)) {
    err ("Can't start up our event thread\n");
    return -1;
    }
    - dbg("Our event thread pid = %d\n", pid);
    return 0;
    }

    --
    1.5.0.g53756
    -
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