On Tue, Jul 8, 2014 at 12:01 PM, Richard Weinberger
<richard.weinberger@xxxxxxxxx> wrote:
> On Tue, Jul 8, 2014 at 7:48 AM, Konstantin Khlebnikov <koct9i@xxxxxxxxx> wrote:
>> On Tue, Jul 8, 2014 at 2:05 AM, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
>>> On Sat, 05 Jul 2014 15:22:38 +0400 Konstantin Khlebnikov <koct9i@xxxxxxxxx> wrote:
>>>
>>>> This fixes command # make checkstack for i386/x86_64.
>>>> Looks like $UTS_MACHINE is exactly what scripts/checkstack.pl needs.
>>>>
>>>> By default $UTS_MACHINE is equal to $ARCH, but some arch/${ARCH}/Makefile
>>>> overrides it. This patch updates it also in arch/x86/Makefile.um
>>>>
>>>> broken in ffee0de ("x86: Default to ARCH=x86 to avoid overriding CONFIG_64BIT")
>>>
>>> The changelog doesn't describe the bug which is being fixed. It should
>>> do so please. If there are any compiler/make error messages then those
>>> should be included.
>>>
>>
>> Oh, ok. checkstalk.pl needs either i386 or x86_64, x86 isn't enough.
>>
>> $ make checkstack
>> objdump -d vmlinux $(find . -name '*.ko') | \
>> perl /home/blind/src/linux-stable/scripts/checkstack.pl x86
>> wrong or unknown architecture "x86"
>
> And now we need ARCH, SUBARCH and UTS_MACHINE on UML? :-(
Nope UTS_MACHINE is autodetected, see hunk Makefile.x86 in my patch.
I thought about cleaning this part of UML.
For example we could move arch/x86/um into arch/um/x86 and use # make
ARCH=um/x86
after collecting this stuff together it woud be easier to get rid of
forever-broken parts.
As I see UML has been designed to work everywhere but SMP seem never worked
as well as any host os except of linux or other arch except x86.
>
> --
> Thanks,
> //richard
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