Re: [PATCH] x86/boot: Add missing bootparam that breaks boot on some platforms

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On Thu, Sep 19, 2019 at 07:16:46AM -0500, minyard@xxxxxxx wrote:
> From: Corey Minyard <cminyard@xxxxxxxxxx>
> 
> Change
> 
>   a90118c445cc x86/boot: Save fields explicitly, zero out everything else
> 
> modified the way boot parameters were saved on x86.  When this was
> backported, e820_table didn't exists, and that change was dropped.
> Unfortunately, e820_table did exist, it was just named e820_map
> in this kernel version.
> 
> This was breaking booting on a Supermicro Super Server/A2SDi-2C-HLN4F
> with a Denverton CPU.  Adding e820_map to the saved boot params table
> fixes the issue.
> 
> Cc: <stable@xxxxxxxxxxxxxxx> # 4.9.x, 4.4.x
> Signed-off-by: Corey Minyard <cminyard@xxxxxxxxxx>
> ---
> I checked the stable mailing lists and didn't see any discussion of
> this, I hope it's not a dup, but some systems will be broken without
> this.
> 
> I wasn't sure how to add a "Fixes:" field in a situation like this.

No problem this works, now queued up.

thanks,

greg k-h



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