2007-05-22 23:00:11

by Sven-Thorsten Dietrich

[permalink] [raw]
Subject: [PATCH] 2.6.21-rt6

Add header and export for rt_write_trylock_irqsave.


Index: linux-2.6.21/include/linux/spinlock.h
===================================================================
--- linux-2.6.21.orig/include/linux/spinlock.h
+++ linux-2.6.21/include/linux/spinlock.h
@@ -294,6 +294,7 @@ do { \
extern void __lockfunc rt_write_lock(rwlock_t *rwlock);
extern void __lockfunc rt_read_lock(rwlock_t *rwlock);
extern int __lockfunc rt_write_trylock(rwlock_t *rwlock);
+extern int __lockfunc rt_write_trylock_irqsave(rwlock_t *trylock);
extern int __lockfunc rt_read_trylock(rwlock_t *rwlock);
extern void __lockfunc rt_write_unlock(rwlock_t *rwlock);
extern void __lockfunc rt_read_unlock(rwlock_t *rwlock);
Index: linux-2.6.21/kernel/rt.c
===================================================================
--- linux-2.6.21.orig/kernel/rt.c
+++ linux-2.6.21/kernel/rt.c
@@ -178,6 +178,7 @@ int __lockfunc rt_write_trylock_irqsave(
*flags = 0;
return rt_write_trylock(rwlock);
}
+EXPORT_SYMBOL(rt_write_trylock_irqsave);

int __lockfunc rt_read_trylock(rwlock_t *rwlock)
{



2007-05-22 23:44:07

by Sven-Thorsten Dietrich

[permalink] [raw]
Subject: [PATCH] 2.6.21-rt6

On Tue, 2007-05-22 at 15:59 -0700, Sven-Thorsten Dietrich wrote:
> Add
<correct>
> header and export for rt_write_trylock_irqsave.

Disregard the last patch, flags parameter was missing in the header.

Index: linux-2.6.21/include/linux/spinlock.h
===================================================================
--- linux-2.6.21.orig/include/linux/spinlock.h
+++ linux-2.6.21/include/linux/spinlock.h
@@ -294,6 +294,8 @@ do { \
extern void __lockfunc rt_write_lock(rwlock_t *rwlock);
extern void __lockfunc rt_read_lock(rwlock_t *rwlock);
extern int __lockfunc rt_write_trylock(rwlock_t *rwlock);
+extern int __lockfunc rt_write_trylock_irqsave(rwlock_t *trylock,
+ unsigned long *flags);
extern int __lockfunc rt_read_trylock(rwlock_t *rwlock);
extern void __lockfunc rt_write_unlock(rwlock_t *rwlock);
extern void __lockfunc rt_read_unlock(rwlock_t *rwlock);
Index: linux-2.6.21/kernel/rt.c
===================================================================
--- linux-2.6.21.orig/kernel/rt.c
+++ linux-2.6.21/kernel/rt.c
@@ -178,6 +178,7 @@ int __lockfunc rt_write_trylock_irqsave(
*flags = 0;
return rt_write_trylock(rwlock);
}
+EXPORT_SYMBOL(rt_write_trylock_irqsave);

int __lockfunc rt_read_trylock(rwlock_t *rwlock)
{


2007-05-23 03:41:31

by Thomas Gleixner

[permalink] [raw]
Subject: Re: [PATCH] 2.6.21-rt6

On Tue, 2007-05-22 at 16:36 -0700, Sven-Thorsten Dietrich wrote:
> On Tue, 2007-05-22 at 15:59 -0700, Sven-Thorsten Dietrich wrote:
> > Add
> <correct>
> > header and export for rt_write_trylock_irqsave.
>
> Disregard the last patch, flags parameter was missing in the header.

Signed-off-by is missing as well as a useful subject line :)

Applied.

Thanks,

tglx