Am 27.09.2013 11:22, schrieb Toralf Förster:
On 09/26/2013 12:35 PM, Richard Weinberger wrote:
Am 26.09.2013 12:20, schrieb Ramkumar Ramachandra:
Richard Weinberger wrote:
This patch is based on: https://lkml.org/lkml/2013/7/4/396
Cc: Ramkumar Ramachandra <artagnon@xxxxxxxxx>
Signed-off-by: Richard Weinberger <richard@xxxxxx>
---
arch/um/configs/i386_defconfig | 954 +++++++++++++++++++++++++++++++++++++++
arch/um/configs/x86_64_defconfig | 943 ++++++++++++++++++++++++++++++++++++++
2 files changed, 1897 insertions(+)
create mode 100644 arch/um/configs/i386_defconfig
create mode 100644 arch/um/configs/x86_64_defconfig
First, I'm pissed that the upstream tree doesn't build and run out of
the box months after I submitted a fix in July (and it's September
now). Fact that you dropped my sane patches aside and decided to write
a much larger series aside, user-mode Linux in upstream is broken.
This means that any user who does:
$ ARCH=um make defconfig
$ ARCH=um make
will end up with a *broken* Linux _today_. Unless the user is living
in the Stone Age with a 32-bit computer, this is what she will see
when she attempts to boot up Linux:
:-{
Grmpf
There are a lot of 32 bit user land linux installation (beside my own,
look at the x86 Gentoo world) in the wild - even running on modern 64bit
CPUs. The simple reason is that those installations run fine and the
performance "boost" of 64bit often isn't worth a new reinstallation.
You *can* of course run 32bit userland on UML. Just create a 32bit UML on x86_64.
make defconfig ARCH=um SUBARCH=i386
make linux ARCH=um SUBARCH=i386
This will work on x86_64 and x86 hosts.
Thanks,
//richard
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