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    SubjectRe: [patch] Real-Time Preemption, -RT-2.6.9-rc4-mm1-U9
    From
    Date
    On Thu, 2004-10-21 at 16:22, Thomas Gleixner wrote:
    > On Thu, 2004-10-21 at 15:27, Ingo Molnar wrote:
    > > i have released the -U9 Real-Time Preemption patch, which can be
    > > downloaded from:
    > >
    > > http://redhat.com/~mingo/realtime-preempt/
    > >
    >
    > impi watchdog conversion to completion api.

    Sorry, I copied the wrong file to the correct place.

    tglx

    diff --exclude='*~' -urN
    2.6.9-rc4-mm1-RT-U9/drivers/char/ipmi/ipmi_watchdog.c
    2.6.9-rc4-mm1-U9-E0/drivers/char/ipmi/ipmi_watchdog.c
    --- 2.6.9-rc4-mm1-RT-U9/drivers/char/ipmi/ipmi_watchdog.c 2004-10-21
    15:47:23.000000000 +0200
    +++ 2.6.9-rc4-mm1-U9-E0/drivers/char/ipmi/ipmi_watchdog.c 2004-10-21
    16:25:14.000000000 +0200
    @@ -47,6 +47,7 @@
    #include <linux/reboot.h>
    #include <linux/wait.h>
    #include <linux/poll.h>
    +#include <linux/completion.h>
    #ifdef CONFIG_X86_LOCAL_APIC
    #include <asm/apic.h>
    #endif
    @@ -386,16 +387,16 @@
    when both messages are free. */
    static atomic_t heartbeat_tofree = ATOMIC_INIT(0);
    static DECLARE_MUTEX(heartbeat_lock);
    -static DECLARE_MUTEX(heartbeat_wait_lock);
    +static DECLARE_COMPLETION(heartbeat_received);
    static void heartbeat_free_smi(struct ipmi_smi_msg *msg)
    {
    if (atomic_dec_and_test(&heartbeat_tofree))
    - up(&heartbeat_wait_lock);
    + complete(&heartbeat_received);
    }
    static void heartbeat_free_recv(struct ipmi_recv_msg *msg)
    {
    if (atomic_dec_and_test(&heartbeat_tofree))
    - up(&heartbeat_wait_lock);
    + complete(&heartbeat_received);
    }
    static struct ipmi_smi_msg heartbeat_smi_msg =
    {
    @@ -473,7 +474,7 @@
    }

    /* Wait for the heartbeat to be sent. */
    - down(&heartbeat_wait_lock);
    + wait_for_completion(&heartbeat_received);

    if (heartbeat_recv_msg.msg.data[0] != 0) {
    /* Got an error in the heartbeat response. It was already
    @@ -944,7 +945,6 @@
    {
    int rv;

    - init_MUTEX_LOCKED(&heartbeat_wait_lock);
    printk(KERN_INFO PFX "driver version "
    IPMI_WATCHDOG_VERSION "\n");


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