Re: [Xen-devel] [PATCH] arm64: xen: Implement EFI reset_system callback

[Julien Grall <julien.grall@xxxxxxx>]

Hi Juergen,

On 06/04/17 07:23, Juergen Gross wrote:
> On 05/04/17 21:49, Boris Ostrovsky wrote:
> > On 04/05/2017 02:14 PM, Julien Grall wrote:
> > > The x86 code has theoritically a similar issue, altought EFI does not
> > > seem to be the preferred method. I have left it unimplemented on x86 and
> > > CCed Linux Xen x86 maintainers to know their view here.
> > (+Daniel)
> >
> > This could be a problem for x86 as well, at least theoretically.
> > xen_machine_power_off() may call pm_power_off(), which is efi.reset_system.
> >
> > So I think we should have a similar routine there.
> +1
>
> I don't see any problem with such a routine added, in contrast to
> potential "reboots" instead of power off without it.
>
> So I think this dummy xen_efi_reset_system() should be added to
> drivers/xen/efi.c instead.
I will resend the patch during day with xen_efi_reset_system moved to 
common code and implement the x86 counterpart (thought, I will not be 
able to test it).
> > > This should also probably be fixed in stable tree.
> Yes.
I will CC stable.

Thank you,

--
Julien Grall

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