linux-kernel - Re: [PATCH 3/4] ksysfs: export VMCSINFO via sysfs

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Date:	Mon, 16 Apr 2012 19:30:53 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	zhangyanfei <zhangyanfei@...fujitsu.com>
Cc:	avi@...hat.com, mtosatti@...hat.com, ebiederm@...ssion.com,
	luto@....edu, joerg.roedel@....com, dzickus@...hat.com,
	paul.gortmaker@...driver.com, ludwig.nussel@...e.de,
	linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
	kexec@...ts.infradead.org
Subject: Re: [PATCH 3/4] ksysfs: export VMCSINFO via sysfs

On Tue, Apr 17, 2012 at 09:52:42AM +0800, zhangyanfei wrote:
> 于 2012年04月13日 07:00, Greg KH 写道:
> > On Wed, Apr 11, 2012 at 09:57:34AM +0800, zhangyanfei wrote:
> >> This patch creates sysfs file to export where VMCSINFO is allocated,
> >> as below:
> >>         $ cat /sys/kernel/vmcsinfo
> >>         1cb88a0 2000
> >> number on the left-hand side is the physical address of VMCSINFO,
> >> while the one on the right-hand side is the max size of VMCSINFO.
> > 
> > Ick, why do you have 2 values in one sysfs file, that's not nice, or
> > good.
> > 
> > What's wrong with 2 different files?
> > 
> 
> The reason why I put the 2 values in one sysfs file is that there is a similar
> file 'vmcoreinfo' in sysfs.
>         # cat /sys/kernel/vmcoreinfo 
>         1d75380 1000

Then that should be fixed as well, using two different file names now :(

thanks,

greg k-h
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