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

[Thomas Gleixner <tglx@linutronix.de>]

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@us.ibm.com>
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Cc: Peter Zijlstra <peterz@infradead.org>
> Cc: Ingo Molnar <mingo@elte.hu>
> Cc: Eric Dumazet <eric.dumazet@gmail.com>
> Cc: John Kacur <jkacur@redhat.com>
> Cc: Steven Rostedt <rostedt@goodmis.org>
> Cc: Mike Galbraith <efault@gmx.de>
> ---
>  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