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Re: [Xen-devel] [PATCH] arm64: xen: Implement EFI reset_system callback
- To: Mark Rutland <mark.rutland@xxxxxxx>
- From: Matt Fleming <matt@xxxxxxxxxxxxxxxxxxx>
- Date: Tue, 18 Apr 2017 14:46:50 +0100
- Cc: Juergen Gross <jgross@xxxxxxxx>, sstabellini@xxxxxxxxxx, Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>, Daniel Kiper <daniel.kiper@xxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxx, Julien Grall <julien.grall@xxxxxxx>, linux-efi@xxxxxxxxxxxxxxx, Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
- Delivery-date: Tue, 18 Apr 2017 13:46:55 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
On Thu, 06 Apr, at 04:55:11PM, Mark Rutland wrote:
>
> Please, let's keep the Xen knowledge constrained to the Xen EFI wrapper,
> rather than spreading it further.
>
> IMO, given reset_system is a *mandatory* function, the Xen wrapper
> should provide an implementation.
>
> I don't see why you can't implement a wrapper that calls the usual Xen
> poweroff/reset functions.
I realise I'm making a sweeping generalisation, but adding
EFI_PARAVIRT is almost always the wrong thing to do.
I'd much prefer to see Mark's idea implemented.
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