[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH] arm64: xen: Implement EFI reset_system callback
On 06/04/17 16:27, Daniel Kiper wrote: > On Thu, Apr 06, 2017 at 09:32:32AM +0100, Julien Grall wrote: >> 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). > > I think that this is ARM specific issue. On x86 machine_restart() calls > xen_restart(). Hence, everything works. So, I think that it should be > fixed only for ARM. Anyway, please CC me when you send a patch. What about xen_machine_power_off() (as stated in Boris' mail)? Juergen _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
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