linux-kernel - Re: [PATCH 0/4] Export offsets of VMCS fields as note information for kdump

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Message-ID: <4F8EABF7.805@redhat.com>
Date:	Wed, 18 Apr 2012 14:56:39 +0300
From:	Avi Kivity <avi@...hat.com>
To:	zhangyanfei <zhangyanfei@...fujitsu.com>
CC:	mtosatti@...hat.com, ebiederm@...ssion.com, luto@....edu,
	joerg.roedel@....com, dzickus@...hat.com,
	paul.gortmaker@...driver.com, gregkh@...e.de,
	ludwig.nussel@...e.de, linux-kernel@...r.kernel.org,
	kvm@...r.kernel.org, kexec@...ts.infradead.org
Subject: Re: [PATCH 0/4] Export offsets of VMCS fields as note information
 for kdump

On 04/18/2012 12:49 PM, zhangyanfei wrote:
> >>
> > 
> > What type of resource?  Can you give an example?
> > 
> Sorry. No concrete example for now.
>
> We are developing this on a conservative policy and I have put the vmcs processing
> in a new module in patch set v2 as you required. The new module is auto-loaded when
> the vmx cpufeature is detected and it depends on module kvm-intel. Loading and unloading
> this module will have no side effect on the running guests.
>
> And one thing I have to stress is that, we can see guest image as crash dump from
> guest machine's view if we have the vmcsinfo, this itself is useful.

Why is it useful?  Without a concrete example, it's hard to justify the
code bloat.

-- 
error compiling committee.c: too many arguments to function

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