Re: [PATCH] x86: fix problems due to use of "outb" to port 80 onsome AMD64x2 laptops, etc.
From: H. Peter Anvin
Date: Sat Dec 15 2007 - 19:07:10 EST
H. Peter Anvin wrote:
Note, however, that your code doesn't deal with io_delay()'s in the boot
code (arch/x86/boot) at all, nor (obviously) io_delay()'s in boot
loaders. In the boot code, access to DMI data is NOT available (we
can't even use the INT 15h mover if we want to continue to support
Loadlin.)
Correction: DMI data are at least supposedly available via the PNPBIOS
calls specified in the SMBIOS spec.
-hpa
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