On Fri, Nov 08, 2013 at 06:38:06PM +1100, Stephen Rothwell wrote:
> Hi Andrew,
>
> Today's linux-next merge of the akpm-current tree got a conflict in
> include/linux/lglock.h between commit 4314ff760e8b ("no need to keep
> brlock macros anymore...") from the vfs tree and commit f5639052d567
> ("lglock: map to spinlock when !CONFIG_SMP") from the akpm-current tree.
>
> I fixed it up (see below) and can carry the fix as necessary (no action
> is required).
This looks like the right fix.
> diff --cc include/linux/lglock.h
> index 96549abe8842,6561b1c0fa63..000000000000
> --- a/include/linux/lglock.h
> +++ b/include/linux/lglock.h
> @@@ -25,6 -25,18 +25,8 @@@
> #include <linux/cpu.h>
> #include <linux/notifier.h>
>
> -/* can make br locks by using local lock for read side, global lock for
> write */
> -#define br_lock_init(name) lg_lock_init(name, #name)
> -#define br_read_lock(name) lg_local_lock(name)
> -#define br_read_unlock(name) lg_local_unlock(name)
> -#define br_write_lock(name) lg_global_lock(name)
> -#define br_write_unlock(name) lg_global_unlock(name)
> -
> -#define DEFINE_BRLOCK(name) DEFINE_LGLOCK(name)
> -#define DEFINE_STATIC_BRLOCK(name) DEFINE_STATIC_LGLOCK(name)
> -
> + #ifdef CONFIG_SMP
> +
> #ifdef CONFIG_DEBUG_LOCK_ALLOC
> #define LOCKDEP_INIT_MAP lockdep_init_map
> #else
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