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    SubjectRe: kernel/microcode.c error from new 64bit code

    > > On Sat, 21 Feb 2004, Pavel Machek wrote:
    > > >
    > > > I'm just afraid that someone will mail you a patch replacing that with
    > > > >> 32 and you'll overlook it.
    > >
    > > Well, the good news is that ">> 32" should cause gcc to complain with a
    > > big warning (exactly because it's undefined brhaviour on a 32-bit
    > > architecture), so I don't think it's easy to overlook.
    > What is wrong with the original?
    > - wrmsr(MSR_IA32_UCODE_WRITE, (unsigned int)(uci->mc->bits), 0);
    > I don't see how anything else could be correct.
    > Either we have high bits we need to worry about in 32bit mode, in which
    > case the 32bit variant is wrong. Or we don't have high bits to worry
    > about in which case attempting to set them is wrong.

    I believe that driver is now shared between i386 and x86-64.

    When do you have a heart between your knees?
    [Johanka's followup: and *two* hearts?]
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