From mboxrd@z Thu Jan  1 00:00:00 1970
From: Julien Grall <julien.grall@linaro.org>
Subject: Re: [PATCH] console: allocate ring buffer earlier
Date: Mon, 08 Dec 2014 11:50:18 +0000
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To: Jan Beulich <JBeulich@suse.com>
Cc: Keir Fraser <keir@xen.org>, Tim Deegan <tim@xen.org>, Daniel Kiper <daniel.kiper@oracle.com>, Ian Jackson <Ian.Jackson@eu.citrix.com>, Ian Campbell <Ian.Campbell@eu.citrix.com>, xen-devel <xen-devel@lists.xenproject.org>
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On 08/12/14 08:52, Jan Beulich wrote:
>>>> On 06.12.14 at 01:05, <julien.grall@linaro.org> wrote:
>> On 05/12/2014 16:55, Jan Beulich wrote:
>>   > I didn't change ARM, as I wasn't sure how far ahead this call could be
>>> pulled.
>>
>> AFAIU, the new function only requires that the page table are setup 
>> (because of the alloc_xenheap_pages).
>>
>> So console_init_mem could be called right after console_init_preirq.
> 
> No, it requires that alloc_xenheap_pages() works, i.e. it surely can't
> be placed before the end_boot_allocator() invocation.

Which is the case with the place I was suggesting...

On ARM, end_boot_allocator is called in setup_mm which is called before
console_init_preirq.

Regards,

-- 
Julien Grall