[PATCH] arm64/efi: do not assume DRAM base is aligned to 2 MB

[Ard Biesheuvel]

> On 29 okt. 2015, at 16:00, Timur Tabi <timur at codeaurora.org> wrote:
> 
>> On 10/29/2015 09:57 AM, Will Deacon wrote:
>> So is this fixing a regression introduced in 4.3? If so, can I have a
>> Fixes: tag too, please? (I was under the impression that this was a
>> longstanding issue, but the thread hasn't been easy to follow).
> 
> It fixes a bug introduced by:
> 
> Author: Ard Biesheuvel <ard.biesheuvel at linaro.org>  2015-07-24 06:38:27
> Committer: Will Deacon <will.deacon at arm.com>  2015-07-27 05:08:41
> Parent: ddeeefe2dfbe1fa6b116b9362b1bec465b64c873 (arm64/efi: efistub: Apply __init annotation)
> Child:  739fa11938bec53a849b77b2042237a0e17c70ae (arm64/efi: do not assume DRAM base is aligned to 2 MB)
> Branches: dcc, master, qserver, qserver2, remotes/origin/master, tty
> Follows: v4.2-rc4
> Precedes: v4.3-rc1
> 
>    arm64: efi: prefer AllocatePages() over efi_low_alloc() for vmlinux
> 
> 


The code that existed before that also assumes incorrectly that dram_base is a multiple of 2MB, but since the patch won't apply cleanly, and nobody reported any problems, I think we only need to worry about 4.3

Ard.