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    SubjectRe: [PATCH] x86,setup: add serial_console_port_base in boot_params
    On Sat, Jul 31, 2010 at 02:02:53PM -0700, H. Peter Anvin wrote:
    > On 07/31/2010 11:32 AM, Cyrill Gorcunov wrote:
    > >>
    > >> No, this is the internal part of the boot protocol, so it's not an issue.
    > >>
    > >
    > > Peter, I didn't mean any issue here, I meant that bootloaders don't know about
    > > this field yet and they will have to update own sources to pass port value
    > > at proper place of boot params. Or I miss something?
    > >
    >
    > Boot loaders that use the 16-bit entry point are unaffected.
    >
    > Boot loaders which use the 32-bit entry point but properly clears the
    > zero page simply will not have the feature.
    >
    > Boot loaders which use the 32-bit entry point but doesn't clear the zero
    > page are broken.
    >
    > -hpa
    >

    Well, Peter, seems I messed boot params with setup header. So I don't see
    any user of this field then, hmm...

    -- Cyrill


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