This is needed for new driver carl9170. Signed-off-by: Hauke Mehrtens <hauke@xxxxxxxxxx> --- include/linux/compat-2.6.31.h | 11 +++++++++++ include/linux/compat-2.6.33.h | 14 ++++++++++++++ 2 files changed, 25 insertions(+), 0 deletions(-) diff --git a/include/linux/compat-2.6.31.h b/include/linux/compat-2.6.31.h index 54ddefd..6c454cb 100644 --- a/include/linux/compat-2.6.31.h +++ b/include/linux/compat-2.6.31.h @@ -191,6 +191,17 @@ void compat_synchronize_threaded_irq(struct compat_threaded_irq *comp) cancel_work_sync(&comp->work); } +/** + * list_entry_rcu - get the struct for this entry + * @ptr: the &struct list_head pointer. + * @type: the type of the struct this is embedded in. + * @member: the name of the list_struct within the struct. + * + * This primitive may safely run concurrently with the _rcu list-mutation + * primitives such as list_add_rcu() as long as it's guarded by rcu_read_lock(). + */ +#define list_entry_rcu(ptr, type, member) \ + container_of(rcu_dereference(ptr), type, member) #endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,31)) */ diff --git a/include/linux/compat-2.6.33.h b/include/linux/compat-2.6.33.h index e4dff72..e7e20d9 100644 --- a/include/linux/compat-2.6.33.h +++ b/include/linux/compat-2.6.33.h @@ -98,6 +98,20 @@ int pccard_loop_tuple(struct pcmcia_socket *s, unsigned int function, #define kfifo_out(a, b, c) __kfifo_get(*a, b, c) #define kfifo_len(a) __kfifo_len(*a) +/** + * list_for_each_entry_continue_rcu - continue iteration over list of given type + * @pos: the type * to use as a loop cursor. + * @head: the head for your list. + * @member: the name of the list_struct within the struct. + * + * Continue to iterate over list of given type, continuing after + * the current position. + */ +#define list_for_each_entry_continue_rcu(pos, head, member) \ + for (pos = list_entry_rcu(pos->member.next, typeof(*pos), member); \ + prefetch(pos->member.next), &pos->member != (head); \ + pos = list_entry_rcu(pos->member.next, typeof(*pos), member)) + #endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,33)) */ #endif /* LINUX_26_33_COMPAT_H */ -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
