Messages in this thread | | | Date | Tue, 22 Aug 2006 13:50:28 +0200 | From | Adrian Bunk <> | Subject | Re: 2.6.18-rc4-mm2: x86_64 compile error |
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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
--
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