Re: Inclusion of x86_64 memorize ioapic at bootup patch

From: yhlu
Date: Sat Jan 07 2006 - 01:37:24 EST


andi,

in the smpboot.c, why you need to use 0x467, and 0x469 ....

Dprintk("1.\n");
*((volatile unsigned short *) phys_to_virt(0x469)) = start_rip >> 4;
Dprintk("2.\n");
*((volatile unsigned short *) phys_to_virt(0x467)) = start_rip & 0xf;
Dprintk("3.\n");

YH
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