On Mon, Sep 09, 2013 at 09:42:46PM -0700, John Stultz wrote:
> +++ b/include/linux/lockdep.h
> @@ -510,6 +510,21 @@ static inline void print_irqtrace_events(struct
> task_struct *curr)
>
> #ifdef CONFIG_DEBUG_LOCK_ALLOC
> # ifdef CONFIG_PROVE_LOCKING
> +# define seqcount_acquire(l, s, t, i) lock_acquire(l, s, t,
> 0, 2, NULL, i)
> +# define seqcount_acquire_read(l, s, t, i) lock_acquire(l, s, t, 2, 2,
> NULL, i)
> +# else
> +# define seqcount_acquire(l, s, t, i) lock_acquire(l, s, t,
> 0, 1, NULL, i)
> +# define seqcount_acquire_read(l, s, t, i) lock_acquire(l, s, t, 2, 1,
> NULL, i)
> +# endif
> +# define seqcount_release(l, n, i) lock_release(l, n, i)
> +#else
> +# define seqcount_acquire(l, s, t, i) do { } while (0)
> +# define seqcount_acquire_read(l, s, t, i) do { } while (0)
> +# define seqcount_release(l, n, i) do { } while (0)
> +#endif
Please look at a recent lockdep.h, this pattern changed a little.
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