On Mon, 2007-07-30 at 10:28 +0530, Ankita Garg wrote:
> On Sun, Jul 29, 2007 at 07:45:40PM -0700, Daniel Walker wrote:
> > Signed-off-by: Daniel Walker <[email protected]>
> >
> > ---
> > include/linux/rt_lock.h | 6 ++++--
> > include/linux/spinlock.h | 5 +++--
> > 2 files changed, 7 insertions(+), 4 deletions(-)
> >
> > Index: linux-2.6.22/include/linux/rt_lock.h
> > ===================================================================
> > --- linux-2.6.22.orig/include/linux/rt_lock.h
> > +++ linux-2.6.22/include/linux/rt_lock.h
> > @@ -128,12 +128,14 @@ struct semaphore name = \
> > */
> > #define DECLARE_MUTEX_LOCKED COMPAT_DECLARE_MUTEX_LOCKED
> >
> > -extern void fastcall __sema_init(struct semaphore *sem, int val, char *name, char *file, int line);
> > +extern void fastcall
> > +__sema_init(struct semaphore *sem, int val, char *name, char *file, int line);
> >
> > #define rt_sema_init(sem, val) \
> > __sema_init(sem, val, #sem, __FILE__, __LINE__)
> >
> > -extern void fastcall __init_MUTEX(struct semaphore *sem, char *name, char *file, int line);
> > +extern void fastcall
> > +__init_MUTEX(struct semaphore *sem, char *name, char *file, int line);
> > #define rt_init_MUTEX(sem) \
> > __init_MUTEX(sem, #sem, __FILE__, __LINE__)
> >
> > Index: linux-2.6.22/include/linux/spinlock.h
> > ===================================================================
> > --- linux-2.6.22.orig/include/linux/spinlock.h
> > +++ linux-2.6.22/include/linux/spinlock.h
> > @@ -126,7 +126,7 @@ extern int __lockfunc generic__raw_read_
> >
> > #ifdef CONFIG_DEBUG_SPINLOCK
> > extern __lockfunc void _raw_spin_lock(raw_spinlock_t *lock);
> > -#define _raw_spin_lock_flags(lock, flags) _raw_spin_lock(lock)
> > +# define _raw_spin_lock_flags(lock, flags) _raw_spin_lock(lock)
>
> Any reason behind including a space here?
Yes . Sometimes a space is added when a define is embedded inside
#ifdefs , example below.
#ifdef CONFIG_DEBUG_SPINLOCK
# define DEBUG_MACRO do_somedebug_here()
#endif
That's usually the method Ingo uses, and it matches the code surrounding
it in this particular patch.
Daniel
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