[LinuxBIOS] Inclusion of x86_64 memorize ioapic at bootup patch
yhlu.kernel at gmail.com
Sat Jan 7 22:41:11 CET 2006
does stefan put the mptable in first 1K?
good way is put mptable 0xf0000:0x100000.
On 1/7/06, Eric W. Biederman <ebiederm at xmission.com> wrote:
> yhlu <yhlu.kernel at gmail.com> writes:
> > MPTABLE in LinuxBIOS is put from 0x20, if the system has too many cpu
> > and devices (slots) the mptable will get bigger than 0x464, so it
> > will use 0x40:67....
> Then you or someone moved it. The base in low memory was originally
> at 0x500, to avoid just these kinds of problems.
> > We need to put mptable to [0xf0000:0x100000] together with acpi
> > tables.
> Or move it up a few bytes.
> > and if it is bigger than 64k, then we have to put it on special
> > postion ...from 1K, and pass the posstion of mptable to the kernel via
> > command line.
> > I will update the code in LinuxBIOS.
> Thanks. It is always a good idea not to assign legacy regions of the
> address space new meanings.
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo at vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/
More information about the coreboot