Re: Inclusion of x86_64 memorize ioapic at bootup patch

• To: Andi Kleen <[email protected]>, [email protected]
• Subject: Re: Inclusion of x86_64 memorize ioapic at bootup patch
• From: yhlu <[email protected]>
• Date: Fri, 6 Jan 2006 22:38:43 -0800
• Cc: Vivek Goyal <[email protected]>, Fastboot mailing list <[email protected]>, linux kernel mailing list <[email protected]>, Morton Andrew Morton <[email protected]>
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• In-reply-to: <[email protected]>
• References: <[email protected]> <[email protected]>
• Sender: [email protected]

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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    • From: "Lu, Yinghai" <[email protected]>
  • Re: Inclusion of x86_64 memorize ioapic at bootup patch
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