Re: 256 apic id for amd64

From: Andi Kleen (ak_at_muc.de)
Date: 01/08/05

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    Date:	8 Jan 2005 16:46:00 +0100
Date:	Sat, 8 Jan 2005 16:46:00 +0100
To: Mikael Pettersson <mikpe@csd.uu.se>

    On Sat, Jan 08, 2005 at 03:37:50AM +0100, Mikael Pettersson wrote:
    > On Fri, 7 Jan 2005 22:12:00 +0100, Andi Kleen wrote:
    > >On Fri, Jan 07, 2005 at 01:14:24PM -0800, YhLu wrote:
    > >> After keep the bsp using 0, the jiffies works well. Werid?
    > >
    > >Probably a bug somewhere. But since BSP should be always
    > >0 I'm not sure it is worth tracking down.
    >
    > I hope by "0" you're referring to a Linux kernel defined
    > software value and _not_ what the HW or BIOS conjured up!

    No, I'm refering to the APIC ID configured by the BIOS.

    > Never trust a BIOS to DTRT.

    I won't complicate the x86-64 code to work around non existant
    theoretical BIOS issues.

    -Andi
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