linux-kernel - Re: [PATCH V2 3/9] edac, mce_amd_inj: Modify flags attrigute to use string arguments

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Date:	Wed, 3 Jun 2015 11:24:23 -0500
From:	Aravind Gopalakrishnan <aravind.gopalakrishnan@....com>
To:	Borislav Petkov <bp@...en8.de>
CC:	<dougthompson@...ssion.com>, <mchehab@....samsung.com>,
	<linux-edac@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<x86@...nel.org>
Subject: Re: [PATCH V2 3/9] edac, mce_amd_inj: Modify flags attrigute to use
 string arguments

On 6/3/2015 11:00 AM, Borislav Petkov wrote:
> On Wed, Jun 03, 2015 at 10:34:50AM -0500, Aravind Gopalakrishnan wrote:
>> Oddly, No. The only thing I got was:
>> arch/x86/kernel/cpu/microcode/intel_early.c: In function
>> âget_matching_model_microcode.isra.2.constprop.7â:
>> arch/x86/kernel/cpu/microcode/intel_early.c:348:1: warning: the frame size
>> of 1064 bytes is larger than 1024 bytes [-Wframe-larger-than=]
>>   }
>>   ^
> 32-bit?
>
> Because on 64-bit, that frame size is relaxed to 2K.
>
> config FRAME_WARN
>          int "Warn for stack frames larger than (needs gcc 4.4)"
>          range 0 8192
>          default 1024 if !64BIT
>          default 2048 if 64BIT
>

Nope. But it's still set to 1K for me, and I think I know where the 
problem might have originated from..
I used a generic distro (Ubuntu) config as base when I first built the 
kernel,
and I see that on Ubuntu's 'generic' configs, the value for FRAME_WARN 
is 1K.
(Btw, I did install a 64-bit version of the distro on the system to 
begin with.. guess they just set it to 1K always)

When I do make defconfig, this is set to 2K properly.

Thanks,
-Aravind
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