Re: kernel-2.6.15-rc5-rt2 - compilation error?RWSEM_ACTIVE_BIAS? undeclared

[Steven Rostedt]

On Wed, 2005-12-14 at 11:57 -0600, art wrote:
> kernel-2.6.15-rc5-rt2 - compilation error ʽRWSEM_ACTIVE_BIASʼ undeclared
> 
> gcc version 4.0.2
> ........
>   CC      lib/kref.o
>   CC      lib/prio_tree.o
>   CC      lib/radix-tree.o
>   CC      lib/rbtree.o
>   CC      lib/rwsem.o
> lib/rwsem.c: In function ʽ__rwsem_do_wakeʼ:
> lib/rwsem.c:57: warning: implicit declaration of function ʽrwsem_atomic_updateʼ
> lib/rwsem.c:57: error: ʽRWSEM_ACTIVE_BIASʼ undeclared (first use in this function)

Art,

Use this patch.

Ingo,

Could you please apply this.

-- Steve


Index: linux-2.6.15-rc5-rt2/arch/i386/Kconfig
===================================================================
--- linux-2.6.15-rc5-rt2.orig/arch/i386/Kconfig	2005-12-14 14:37:01.000000000 -0500
+++ linux-2.6.15-rc5-rt2/arch/i386/Kconfig	2005-12-14 15:19:53.000000000 -0500
@@ -245,8 +245,7 @@
 
 config RWSEM_XCHGADD_ALGORITHM
 	bool
-	depends on !RWSEM_GENERIC_SPINLOCK && !PREEMPT_RT
-	default y
+	default y if !RWSEM_GENERIC_SPINLOCK
 
 config X86_UP_APIC
 	bool "Local APIC support on uniprocessors"
Index: linux-2.6.15-rc5-rt2/arch/i386/Kconfig.cpu
===================================================================
--- linux-2.6.15-rc5-rt2.orig/arch/i386/Kconfig.cpu	2005-12-14 14:36:56.000000000 -0500
+++ linux-2.6.15-rc5-rt2/arch/i386/Kconfig.cpu	2005-12-14 15:19:53.000000000 -0500
@@ -229,11 +229,6 @@
 	depends on M386
 	default y
 
-config RWSEM_XCHGADD_ALGORITHM
-	bool
-	depends on !M386
-	default y
-
 config GENERIC_CALIBRATE_DELAY
 	bool
 	default y


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