Re: [patch] x86: Introduce BOOT_EFI and BOOT_CF9 into the reboot sequence loop

From: Li, Aubrey
Date: Fri Feb 28 2014 - 17:11:14 EST


On 2014/3/1 1:47, H. Peter Anvin wrote:
> On 02/27/2014 10:54 PM, Li, Aubrey wrote:
>> On 2014/2/28 14:44, Matthew Garrett wrote:
>>> On Fri, Feb 28, 2014 at 02:39:56PM +0800, Li, Aubrey wrote:
>>>
>>>> Just let you know, Windows8.1 calls EFI on these boxes for reboot/shutdown.
>>>
>>> Ok, in that case we should add EFI reboot to the list once Matt's 1:1
>>> mapping support has landed. The right place to try it is probably after
>>> the second attempt to perform an ACPI reboot. I'm still not enthusiastic
>>> about adding cf9 by default.
>>>
>>
>> I'll defer to you if no one on the list supports me to add cf9.
>>
>
> I believe we *had* it in the default list for a while, and it caused
> hangs on some systems.

So this can be finalized, add EFI after twice ACPI reboot attempt. I'll
update the bugzilla and the patch.

Thanks,
-Aubrey
>
> -hpa
>
>

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