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    SubjectRe: 2.6.18-rc4-mm2: x86_64 compile error
    On Tue, Aug 22, 2006 at 10:11:53AM +0200, Jan Beulich wrote:
    > >>> Adrian Bunk <bunk@stusta.de> 21.08.06 23:21 >>>
    > >On Sat, Aug 19, 2006 at 10:00:08PM -0700, Andrew Morton wrote:
    > >>...
    > >> Changes since 2.6.18-rc4-mm1:
    > >>...
    > >> +x86_64-mm-fix-x86-cpuid-keys-used-in-alternative_smp.patch
    > >>...
    > >> x86_64 tree updates
    > >>...
    > >
    > >This patch causes the following compile error (cross compiling from i386
    > >using gcc 4.1):
    > >
    > ><-- snip -->
    > >
    > >...
    > > LD .tmp_vmlinux1
    > >kernel/built-in.o:(.smp_altinstructions+0x10): undefined reference to `X86_FEATURE_UP'
    > >kernel/built-in.o:(.smp_altinstructions+0x28): undefined reference to `X86_FEATURE_UP'
    > >kernel/built-in.o:(.smp_altinstructions+0x40): undefined reference to `X86_FEATURE_UP'
    > >kernel/built-in.o:(.smp_altinstructions+0x58): undefined reference to `X86_FEATURE_UP'
    > >make[1]: *** [.tmp_vmlinux1] Error 1
    >
    > Odd - asm/cpufeature.h is being included by asm/processor.h, which is included by
    > linux/sched.h, which in turn I would have assumed is included by virtually everything.
    > The simply solution would be to explicitly include it from asm/alternative.h - could you
    > give that a try? Regardless of that I'd be curious what source file under kernel/ (and
    > perhaps with what .config) neither includes linux/sched.h nor asm/processor.h.

    I was using defconfig.

    I don't know whether looking at this bug makes muh sense since Andi said
    he already has a patch queued to fix it.

    > Jan

    cu
    Adrian

    --

    "Is there not promise of rain?" Ling Tan asked suddenly out
    of the darkness. There had been need of rain for many days.
    "Only a promise," Lao Er said.
    Pearl S. Buck - Dragon Seed

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