Re: [PATCH] Add CONFIG_X86_APIC_OFF for i386/UP

From: Hugh Dickins (hugh_at_veritas.com)
Date: 01/28/05

  • Next message: Corey Minyard: "[PATCH] Add a non-blocking I2C interface" 
    Date:	Fri, 28 Jan 2005 15:09:32 +0000 (GMT)
To: Andi Kleen <ak@suse.de>

    On Fri, 28 Jan 2005, Andi Kleen wrote:
    > > I'm confused! Why do we need X86_APIC_OFF config option (but code
    > > compiled in), with boot options "apic" or "lapic" to enable it,
    > > when we already have the code compiled in, with boot options
    > > "noapic" or "nolapic" to disable it?
    >
    > As you said. The distribution wants a kernel that has it disabled
    > by default, but allows to enable it with an option without
    > recompiling the kernel.
    >
    > None of the defaults allow this and my patch adds that with
    > an option.

    Forgive me for not wading through the code, but it really needs to
    be spelt out in the comments: what's wrong with the existing kernel,
    with "noapic nolapic" in the distro's bootstring by default?

    I'm not going to be the only one confused by this!

    Hugh
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  • Next message: Corey Minyard: "[PATCH] Add a non-blocking I2C interface"