Messages in this thread | | | Date | Fri, 28 Feb 2014 09:47:35 -0800 | From | "H. Peter Anvin" <> | Subject | Re: [patch] x86: Introduce BOOT_EFI and BOOT_CF9 into the reboot sequence loop |
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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.
-hpa
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