Re: [Xen-devel] [PATCH] Revert "xen/arm: Allocate memory for dom0 from the bottom with the 1:1 Workaround"

[Julien Grall <julien.grall@xxxxxxxxxx>]

On 04/02/2014 01:04 PM, Ian Campbell wrote:
> On Mon, 2014-01-27 at 14:06 +0000, Ian Campbell wrote:
>> On Fri, 2014-01-24 at 17:11 +0000, Julien Grall wrote:
>>> On 01/14/2014 10:51 AM, Ian Campbell wrote:
>>>> I think this problem is now fixed upstream, the intention was to
>>>> eventually revert the workaround (Julien was going to tell me when it
>>>> had gone into stable etc, but this is now a 4.5 era revert candidate).
>>>
>>> The patch was merged for 3.13.
>>
>> Thanks. I don't think we can revert for 4.4 now, but lets revisit for
>> 4.5.
> 
> So should we revert
> 
>         commit 6c21cb36e263de2db8716b477157a5b6cd531e1e
>         Author: Julien Grall <julien.grall@xxxxxxxxxx>
>         Date:   Tue Oct 22 11:51:48 2013 +0100
>         
>             xen/arm: Allocate memory for dom0 from the bottom with the 1:1 
> Workaround
> 
> Now?

Reverting this commit doesn't change anything in the memory allocation.
I'm sure why...

Anyway it works on the arndale! I will have to update the wiki page (the
instructions are for Linux 3.10).

> ------8<----------------
> 
> From 2e688b06954663f8ff7bc72e5bcf6a823090af9a Mon Sep 17 00:00:00 2001
> From: Ian Campbell <ian.campbell@xxxxxxxxxx>
> Date: Wed, 2 Apr 2014 13:03:36 +0100
> Subject: [PATCH] Revert "xen/arm: Allocate memory for dom0 from the bottom
>  with the 1:1 Workaround"
> 
> This reverts commit 6c21cb36e263de2db8716b477157a5b6cd531e1e.
> 
> The Linux = issue which this works around was fixed in v3.13.

Linux commit: f52bb722547f43caeaecbcc62db9f3c3b80ead9b "ARM: mm: Correct
virt_to_phys patching for 64 bit physical addresses"

With the commit mentioned:
Acked-by: Julien Grall <julien.grall@xxxxxxxxxx>

Regards,

-- 
Julien Grall

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