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SubjectRe: 2.6.22-rc6-mm1
Sergei Shtylyov wrote:
> Hello.
>
> Mariusz Kozlowski wrote:
>
>
>> allmodconfig on powerpc (iMac g3) fails due to
>> git-kgdb.patch. allmodconfig defaults should be changed?
>>
>
>
>> CC arch/powerpc/kernel/kgdb.o
>> arch/powerpc/kernel/kgdb.c:485:2: error: #error Both XMON and KGDB selected
>> in .config. Unselect one of them.
>> make[1]: *** [arch/powerpc/kernel/kgdb.o] Blad 1
>> make: *** [arch/powerpc/kernel] Blad 2
>>
>
> I'm not sure if this will work out but maybe it's worth to disable XMON if
> KGDB is selected, like this?
>
> config XMON
> bool "Include xmon kernel debugger"
> depends on DEBUGGER && !KGDB
>
>

It did not seem that you can make a radio button / multi-select kernel
config option unless the options are in the same Kconfig file. Given
that xmon and kgdb are mutually exclusive at the moment.

What Sergei mentioned is the fix that needs to be used for the time being.

Attached is the patch I put in the for_mm branch in the linux-2.6-kgdb
git tree.

Jason.


xmon_or_kgdb.patch

From: Jason Wessel <jason.wessel@windriver.com>
Subject: [PATCH] Turn off xmon if kgdb is active on ppc and powerpc

Xmon and kgdb are mutuall exclusive at the moment so xmon should be
turned off in the kernel config options if kgdb selected. The case with "make allmodconfig" was failing and this patch addresses the problem.

Signed-off-by: Jason Wessel <jason.wessel@windriver.com>

---
arch/powerpc/Kconfig.debug | 2 +-
arch/ppc/Kconfig.debug | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

Index: linux-2.6-kgdb/arch/powerpc/Kconfig.debug
===================================================================
--- linux-2.6-kgdb.orig/arch/powerpc/Kconfig.debug
+++ linux-2.6-kgdb/arch/powerpc/Kconfig.debug
@@ -43,7 +43,7 @@ config HCALL_STATS

config XMON
bool "Include xmon kernel debugger"
- depends on DEBUG_KERNEL
+ depends on DEBUG_KERNEL && !KGDB
help
Include in-kernel hooks for the xmon kernel monitor/debugger.
Unless you are intending to debug the kernel, say N here.
Index: linux-2.6-kgdb/arch/ppc/Kconfig.debug
===================================================================
--- linux-2.6-kgdb.orig/arch/ppc/Kconfig.debug
+++ linux-2.6-kgdb/arch/ppc/Kconfig.debug
@@ -4,7 +4,7 @@ source "lib/Kconfig.debug"

config XMON
bool "Include xmon kernel debugger"
- depends on DEBUG_KERNEL
+ depends on DEBUG_KERNEL && !KGDB
help
Include in-kernel hooks for the xmon kernel monitor/debugger.
Unless you are intending to debug the kernel, say N here.
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