Am 08.07.2014 10:16, schrieb Konstantin Khlebnikov: > 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 No way. We moved the x86 stuff to arch/x86/ a few Years ago by design. > 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. Currently UML runs only on x86_32/64. Adding/fixing SMP support should be doable. Thanks, //richard -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html