On Wed, 13 Feb 2008 10:23:42 -0600
Corey Minyard <[EMAIL PROTECTED]> wrote:

> From: Corey Minyard <[EMAIL PROTECTED]>
> 
> The "run_to_completion" mode was somewhat broken.  Locks need to be
> avoided in run_to_completion mode, and it shouldn't be used by normal
> users, just internally for panic situations.
> 
> This patch removes locks in run_to_completion mode and removes the
> user call for setting the mode.  The only user was the poweroff
> code, but it was easily converted to use the polling interface.
> 
> +     /*
> +      * Spin until our message is done.
> +      */
> +     while (atomic_read(&dummy_count) > 0) {
> +             ipmi_poll_interface(user);
> +             barrier();
> +     }

we'd normally use cpu_relax() here.


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