Messages in this thread |  | | | Subject | Re: Inclusion of x86_64 memorize ioapic at bootup patch | | From | (Eric W. Biederman) | | Date | Sat, 07 Jan 2006 12:44:17 -0700 |
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yhlu <yhlu.kernel@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.
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