linux-kernel - Re: [patch] x86: Introduce BOOT_EFI and BOOT

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Message-ID: <5313C54D.3020603@zytor.com>
Date:	Sun, 02 Mar 2014 15:57:01 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	"Li, Aubrey" <aubrey.li@...ux.intel.com>,
	Matthew Garrett <mjg59@...f.ucam.org>
CC:	"H. Peter Anvin" <hpa@...ux.intel.com>,
	"alan@...ux.intel.com" <alan@...ux.intel.com>,
	linux-kernel@...r.kernel.org, Len.Brown@...el.com,
	Adam Williamson <awilliam@...hat.com>
Subject: Re: [patch] x86: Introduce BOOT_EFI and BOOT_CF9 into the reboot
 sequence loop

On 03/02/2014 02:13 PM, Li, Aubrey wrote:
> 
> No really. Given that we add all of the known methods into the default
> list, and BIOS is the last method, if your system hits BIOS, that means
> ACPI/KBD/EFI/PCI can't make your system reboot, so BIOS should make it
> work.
> 

Or it means the KBD port had delayed effects -- this is the really ugly one.

But yes, I suspect that sequence is the best that we can currently come
up with...

	-hpa


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