Messages in this thread | | | Date | Thu, 9 Dec 2010 22:38:47 +0000 | From | Matthew Garrett <> | Subject | Re: [PATCH 1/3] X86: Revamp reboot behaviour to match Windows more closely |
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On Thu, Dec 09, 2010 at 02:32:52PM -0800, H. Peter Anvin wrote: > On 12/09/2010 02:32 PM, Matthew Garrett wrote: >> On Thu, Dec 09, 2010 at 02:25:05PM -0800, H. Peter Anvin wrote: >>> When this was discussed before we agreed to use ACPI reboot by default >>> with an ACPI cutoff date; this doesn't have any such cutoff. >> >> Windows doesn't either. Older machines simply won't have the appropriate >> flag set in their FADT. >> > > Windows doesn't get validated on old hardware.
XP does this, and older hardware predates the version of the ACPI spec that introduced this flag.
-- Matthew Garrett | mjg59@srcf.ucam.org
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