Re: [PATCH]X86:reboot.c Add some dmi entries topci_reboot_dmi_table.

From: Matthew Garrett
Date: Thu Jun 03 2010 - 07:46:53 EST


On Thu, Jun 03, 2010 at 10:54:38AM +0100, Alan Cox wrote:

> At least some PCs you need to issue the reboot outb calls on the boot
> processor so the userspace tests won't be reliable.

The cf9 write is supposed to be handled by the chipset rather than via
SMM, I believe? The SMM code I've seen for reboots seems to implement
the actual reboot by hitting that port itself...

--
Matthew Garrett | mjg59@xxxxxxxxxxxxx
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