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    SubjectRe: [PATCH 2/8] um: Do not use SUBARCH
    Ramkumar Ramachandra wrote:
    > Richard Weinberger wrote:
    >> I told you already that "make defconfig ARCH=um SUBARCH=x86" will spuriously
    >> create a x86_64 config on x86_64.
    >> This breaks existing setups.
    >
    > I'll fix this and resubmit soon.

    Wait a minute. You're now arguing about whether the generic "x86"
    means i386 or x86_64. Its meaning is already defined in
    arch/x86/Kconfig and arch/x86/um/Kconfig: see the config 64BIT. Unless
    i386 is explicitly specified, the default is to build a 64-bit kernel.
    That is already defined for a normal Linux kernel, and user-mode Linux
    should not break that convention. So, in the example you pulled out of
    your hat:

    $ make defconfig ARCH=um SUBARCH=x86

    the user should expect a 64-bit build, and not an i386 build as you
    say. Both my patches are correct, and the "regression" that you
    pointed out is a red herring.


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