[2.6 patch] kernel/capability.c: make a spinlock static

From: Adrian Bunk (bunk_at_stusta.de)
Date: 12/12/04

  • Next message: Adrian Bunk: "[2.6 patch] kernel/exit.c: make a function static" 
    Date:	Sun, 12 Dec 2004 20:16:54 +0100
To: Andrew Main <zefram@fysh.org>

    The patch below makes a needlessly global spinlock static.

    diffstat output:
     include/linux/capability.h | 2 --
     kernel/capability.c | 4 ++--
     2 files changed, 2 insertions(+), 4 deletions(-)

    Signed-off-by: Adrian Bunk <bunk@stusta.de>

    --- linux-2.6.10-rc2-mm4-full/include/linux/capability.h.old 2004-12-12 02:43:59.000000000 +0100
    +++ linux-2.6.10-rc2-mm4-full/include/linux/capability.h 2004-12-12 02:44:05.000000000 +0100
    @@ -44,8 +44,6 @@
     
     #include <linux/spinlock.h>
     
    -extern spinlock_t task_capability_lock;
    -
     /* #define STRICT_CAP_T_TYPECHECKS */
     
     #ifdef STRICT_CAP_T_TYPECHECKS
    --- linux-2.6.10-rc2-mm4-full/kernel/capability.c.old 2004-12-12 02:43:23.000000000 +0100
    +++ linux-2.6.10-rc2-mm4-full/kernel/capability.c 2004-12-12 02:43:45.000000000 +0100
    @@ -20,10 +20,10 @@
     EXPORT_SYMBOL(cap_bset);
     
     /*
    - * This global lock protects task->cap_* for all tasks including current.
    + * This lock protects task->cap_* for all tasks including current.
      * Locking rule: acquire this prior to tasklist_lock.
      */
    -DEFINE_SPINLOCK(task_capability_lock);
    +static DEFINE_SPINLOCK(task_capability_lock);
     
     /*
      * For sys_getproccap() and sys_setproccap(), any of the three

    -
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