Re: [PATCH 3/4] futex: free_pi_state outside of hb->lock sections

[Thomas Gleixner]

On Fri, 9 Jul 2010, Darren Hart wrote:

> free_pi_state() calls kfree() and might sleep. To prepare for raw hb->locks,
> get the calls to free_pi_state() out of the hb->lock() sections.
> 
> Signed-off-by: Darren Hart <dvhltc@xxxxxxxxxx>
> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
> Cc: Ingo Molnar <mingo@xxxxxxx>
> Cc: Eric Dumazet <eric.dumazet@xxxxxxxxx>
> Cc: John Kacur <jkacur@xxxxxxxxxx>
> Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
> Cc: Mike Galbraith <efault@xxxxxx>
> ---
>  kernel/futex.c |   14 ++++++++------
>  1 files changed, 8 insertions(+), 6 deletions(-)
> 
> diff --git a/kernel/futex.c b/kernel/futex.c
> index a6cec32..b217972 100644
> --- a/kernel/futex.c
> +++ b/kernel/futex.c
> @@ -114,7 +114,7 @@ struct futex_q {
>  	struct plist_node list;
>  
>  	struct task_struct *task;
> -	spinlock_t *lock_ptr;
> +	raw_spinlock_t *lock_ptr;

 How is this related to the changelog ?

Thanks,

	tglx
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