On Fri, 2008-02-01 at 10:48 +0100, Ingo Molnar wrote:
> > Defining GENERIC_LOCKBREAK in arch/s390/Kconfig takes care of it.
> I'll
> > cook up a patch and queue it in git390.
>
> the one below should do the trick.
Thanks but I already queued a different one (see below). The other
architectures that define GENERIC_LOCKBREAK have the "depends on SMP &&
PREEMPT" line as well. The line does make sense if you look at the way
how spin_is_contended is used, no ?
--
blue skies,
Martin.
"Reality continues to ruin my life." - Calvin.
---
Subject: [PATCH] Define GENERIC_LOCKBREAK.
From: Martin Schwidefsky <[EMAIL PROTECTED]>
Fix compile error:
CC arch/s390/kernel/asm-offsets.s
In file included from
arch/s390/kernel/asm-offsets.c:7:
include/linux/sched.h: In function 'spin_needbreak':
include/linux/sched.h:1931: error: implicit declaration of function
'__raw_spin_is_contended'
make[2]: *** [arch/s390/kernel/asm-offsets.s] Error 1
Signed-off-by: Martin Schwidefsky <[EMAIL PROTECTED]>
---
arch/s390/Kconfig | 5 +++++
1 file changed, 5 insertions(+)
diff -urpN linux-2.6/arch/s390/Kconfig
linux-2.6-patched/arch/s390/Kconfig
--- linux-2.6/arch/s390/Kconfig 2008-01-31 13:57:33.000000000 +0100
+++ linux-2.6-patched/arch/s390/Kconfig 2008-01-31 13:57:42.000000000
+0100
@@ -47,6 +47,11 @@ config NO_IOMEM
config NO_DMA
def_bool y
+config GENERIC_LOCKBREAK
+ bool
+ default y
+ depends on SMP && PREEMPT
+
mainmenu "Linux Kernel Configuration"
config S390
--
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