Subject: Re: [RFC PATCH 01/16] powerpc/booke: Set CPU_FTR_DEBUG_LVL_EXC on 32-bit

From: Scott Wood <[email-masked]>
Date: Mon, 9 Jan 2012 13:14:59 -0600

On 01/09/2012 09:21 AM, Alexander Graf wrote:
> 
> On 21.12.2011, at 02:34, Scott Wood wrote:
> 
>> Currently 32-bit only cares about this for choice of exception
>> vector, which is done in core-specific code.  However, KVM will
>> want to distinguish as well.
>>
>> Signed-off-by: Scott Wood <[email-masked]>
>> ---
>> arch/powerpc/include/asm/cputable.h |    5 +++--
>> 1 files changed, 3 insertions(+), 2 deletions(-)
>>
>> diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h
>> index e30442c..033ad30 100644
>> --- a/arch/powerpc/include/asm/cputable.h
>> +++ b/arch/powerpc/include/asm/cputable.h
>> @@ -375,7 +375,8 @@ extern const char *powerpc_base_platform;
>> #define CPU_FTRS_47X	(CPU_FTRS_440x6)
>> #define CPU_FTRS_E200	(CPU_FTR_USE_TB | CPU_FTR_SPE_COMP | \
>> 	    CPU_FTR_NODSISRALIGN | CPU_FTR_COHERENT_ICACHE | \
>> -	    CPU_FTR_UNIFIED_ID_CACHE | CPU_FTR_NOEXECUTE)
>> +	    CPU_FTR_UNIFIED_ID_CACHE | CPU_FTR_NOEXECUTE | \
>> +	    CPU_FTR_DEBUG_LVL_EXC)
> 
> KVM on E200?

This isn't a KVM patch, it's a patch to make CPU_FTR_DEBUG_LVL_EXC be
set properly on 32-bit chips.  e200 has this CPU feature.

-Scott