Correct. Users expect Form SUBARCH=x86 a 32bit kernel.

Geert Uytterhoeven <> schrieb:
On Thu, Sep 26, 2013 at 3:13 PM, Ramkumar Ramachandra
<> wrote:
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.

Sorry for chiming in, but... what about cross compiling?
SUBARCH=x86 should give you a 32-bit ia32 kernel, right?



Geert Uytterhoeven -- There's lots of Linux beyond ia32 --

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds

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