linux-kernel - Re: [PATCH 4/4 v8] AMD64 EDAC: Fix type usage in NB IDs and memory ranges

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Message-ID: <50BDC140.8060004@numascale-asia.com>
Date:	Tue, 04 Dec 2012 17:24:16 +0800
From:	Daniel J Blueman <daniel@...ascale-asia.com>
To:	Borislav Petkov <bp@...en8.de>
CC:	Ingo Molnar <mingo@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	H Peter Anvin <hpa@...or.com>,
	Steffen Persvold <sp@...ascale.com>, x86@...nel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/4 v8] AMD64 EDAC: Fix type usage in NB IDs and memory
 ranges

On 01/12/2012 01:17, Borislav Petkov wrote:
> On Fri, Nov 30, 2012 at 04:44:20PM +0800, Daniel J Blueman wrote:
>> Use appropriate types for northbridge IDs and memory ranges. Mark immutable
>> data const and keep within compilation unit on related structures. Tested on
>> multi-socket server and multi-server, multi-socket NumaConnect setup.
>>
>> v7: Refactor patches grouping changes
>> v8: Drop unneeded change; use const and static where appropriate
>>
>> Signed-off-by: Daniel J Blueman <daniel@...ascale-asia.com>
>> ---
>>   arch/x86/include/asm/amd_nb.h |    2 +-
>>   drivers/edac/amd64_edac.c     |   26 +++++++++++++-------------
>>   drivers/edac/amd64_edac.h     |    6 +++---
>>   3 files changed, 17 insertions(+), 17 deletions(-)
>>
>> diff --git a/arch/x86/include/asm/amd_nb.h b/arch/x86/include/asm/amd_nb.h
>> index 417eb24..d2e703b 100644
>> --- a/arch/x86/include/asm/amd_nb.h
>> +++ b/arch/x86/include/asm/amd_nb.h
>> @@ -76,7 +76,7 @@ static inline bool amd_nb_has_feature(unsigned feature)
>>   	return ((amd_northbridges.flags & feature) == feature);
>>   }
>>
>> -static inline struct amd_northbridge *node_to_amd_nb(int node)
>> +static inline struct amd_northbridge *node_to_amd_nb(u16 node)
>
> I'm dropping this change from this patch because if we go with it,
> we'll have to change all callsites of node_to_amd_nb which would cause
> unnecessary churn.

> So, I've applied the final patchset and uploaded a branch here:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp.git numascale
>
> Please give it a run on both configurations and let me know if something
> is still amiss.

It works well on fam10h and fam15h boxes, with and without Numaconnect.

Thanks,
   Daniel
-- 
Daniel J Blueman
Principal Software Engineer, Numascale Asia
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