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From: Julien Grall <julien.grall@arm.com>
To: 조현권 <chkwon91@gmail.com>,
	xen-devel@lists.xen.org,
	"Stefano Stabellini" <sstabellini@kernel.org>
Subject: Re: Question about device tree block
Date: Thu, 9 Jun 2016 14:02:14 +0100	[thread overview]
Message-ID: <575968D6.8050307@arm.com> (raw)
In-Reply-To: <CA+CgW8cb3+SVx+ZTsWS6yT1o3f4p9VGe5g867bHB95ED6mOucw@mail.gmail.com>



On 09/06/16 00:40, 조현권 wrote:
> Hi i have a question about device tree block area

Hello,

> In the function setup_mm xen copy original device tree block to the end
> of xen heap space
>
> Original device tree block area seems useless during domain0 creation
> but xen discard it with kernel modules after dom0 memory allocation finished
>
> Is there any special reason??

There is no specific reason. It is just easier to discard all the 
modules in the same place. Note that we do the same for the XSM module too.

>
> +) what is the job of kernel module?

I am not sure to understand the question here.

Regards,

-- 
Julien Grall

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      reply	other threads:[~2016-06-09 13:02 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CA+CgW8djneOvigA8tcX_i3FrA+vS0gq=PCDtRJP9xvZkrzHcLA@mail.gmail.com>
     [not found] ` <CA+CgW8cz4zJ_mqH6kH68oSXqKWks68uJbTEL=8SFKYOYsvq_cA@mail.gmail.com>
     [not found]   ` <CA+CgW8dysbn1JmkurRfQOD+gZGN578CADoPQQg8pgd52cxdp8A@mail.gmail.com>
     [not found]     ` <CA+CgW8dC8kusmU2Ej6iQ11JBxvdikS=-ABHc81gLuKtnTqMwog@mail.gmail.com>
     [not found]       ` <CA+CgW8eKg5O8j8iBiJt5b=hO7cO5D1KD7f8eYVUCuqh8gfcEEQ@mail.gmail.com>
     [not found]         ` <CA+CgW8c7tXVoCnn8mdJ28xOm0Sf1RjJA6p+s9p24mBkPohf=oA@mail.gmail.com>
     [not found]           ` <CA+CgW8dzVVm7h34mfnGtqq4BoRVsiMJgZsFDzuKvJTV-2JhmQA@mail.gmail.com>
2016-06-08 23:40             ` Question about device tree block 조현권
2016-06-09 13:02               ` Julien Grall [this message]

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