linux-kernel - Re: [PATCH] x86, cpuinfo fix cpu_data(0) x86_model

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Message-ID: <555A5165.8020500@zytor.com>
Date:	Mon, 18 May 2015 13:53:57 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Borislav Petkov <bp@...en8.de>, Brian Gerst <brgerst@...il.com>
CC:	Prarit Bhargava <prarit@...hat.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	the arch/x86 maintainers <x86@...nel.org>,
	Andy Lutomirski <luto@...capital.net>,
	Denys Vlasenko <dvlasenk@...hat.com>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@...el.com>,
	Igor Mammedov <imammedo@...hat.com>,
	Fenghua Yu <fenghua.yu@...el.com>
Subject: Re: [PATCH] x86, cpuinfo fix cpu_data(0) x86_model_id field truncation

On 05/18/2015 01:36 PM, Borislav Petkov wrote:
> On Mon, May 18, 2015 at 04:27:02PM -0400, Brian Gerst wrote:
>> The problem here is that strim() modifies the string in place,
>> replacing the first trailing space with a null.  I think the best
>> solution is to do the trimming in get_model_name().  It already trims
>> leading spaces for Intel.
> 
> Sounds good - start from the 48th position forward to the first non \s
> char. Yeah.
> 

Yes, we should trim both leading and trailing spaces.

	-hpa

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